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Merged
rbhanda merged 32 commits into from
Feb 12, 2026
Merged

[automated] Merge branch 'release/8.0' => 'release/8.0-staging' #124246

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9a09d7b
Merge commit '9cccd83f8b7026dc0b5becb1714bac1499397665'
Nov 5, 2025
2f6e04b
Merge commit '283dede38f06421d05f205680629201b8f57acc4'
Nov 5, 2025
35123be
Merge commit '8dbea2724dde020db38d9137e70b7776f4386551'
Nov 11, 2025
3423649
Merge commit '0729d333794d0cf547fc4cd0ecd22d842d515eef'
Nov 26, 2025
06f15fd
Merge commit '891f8976f28fd6a55d2568bce0b8c2a583bd190f'
Nov 26, 2025
1c1ec94
Merge commit '34de5e17eb94e643aa3cc3af48cb77dc5ec7ac9a'
Dec 4, 2025
439bc75
Merge commit '103b56efcfd272e1e8e78edc6787c282848dfb05'
Dec 5, 2025
82336dd
Merge commit '56acca83b9d21995f9796254256e33c0f145aff2'
Dec 5, 2025
c96cd11
Merge commit 'ac345324f04146714172ea78c5496bd979fc3dcf'
Dec 6, 2025
42f3d19
Merge commit 'c9190610b22c83b8d56868bf01001601895a54e7'
Dec 22, 2025
d97033d
Merge commit 'b18624c4de9bde1f2ea6e23e38c68a271ed9966f'
Dec 25, 2025
c102bea
Update branding to 8.0.24 (#122887)
vseanreesermsft Jan 6, 2026
aaef8bb
Merge commit 'c102bea96ed4e07bb138c7815c7607ab56facdff'
Jan 6, 2026
2042eb2
Revert "[release/8.0] Update dependencies from dotnet/arcade" (#122943)
jozkee Jan 7, 2026
69107ea
Merge commit '2042eb2a56112539bf9e0b9538972fdd84e381a0'
Jan 7, 2026
9e1f70e
Fix the type of exception thrown when decoding bad headers
bartonjs Jan 8, 2026
cb6dd00
[release/8.0] Update dependencies from dotnet/emsdk (#122746)
dotnet-maestro[bot] Jan 13, 2026
39736b8
Merge commit 'cb6dd00c21d6d8a373efbc7f5b5088caab5d8e22'
Jan 13, 2026
be63b29
Merge commit 'c96cd11cb2f0c204f272b2280082a329aee24cf7' into internal…
vseanreesermsft Jan 13, 2026
a22f890
Merging internal commits for release/8.0 (#123150)
jeffhandley Jan 13, 2026
7e46fb9
Merge commit 'a22f8900be30f9d81cf1bee76a885e45c811c857'
Jan 13, 2026
fb7ac0f
[manual] Merge release/8.0-staging into release/8.0 (#123114)
jeffhandley Jan 13, 2026
da103bc
Merge commit 'fb7ac0ff0437c5405458a2a953d29a6aeb5e76f0'
Jan 13, 2026
b43df22
[release/8.0] Update dependencies from dotnet/emsdk (#123185)
dotnet-maestro[bot] Jan 20, 2026
b3b35ce
Merge commit 'b43df221a7854ae9b3c831a436c333ec9549bc5d'
Jan 20, 2026
38eebd9
[release/8.0] Change pool for evaluate-paths (#123462)
github-actions[bot] Jan 26, 2026
9345ccc
Update branding to 8.0.25 (#123896)
vseanreesermsft Feb 5, 2026
7a6845d
[release/8.0] Update dependencies from dotnet/emsdk (#123408)
dotnet-maestro[bot] Feb 5, 2026
7e53964
[release/8.0] Use correct name for AZL3 build image (#124179)
akoeplinger Feb 9, 2026
c7aa2e8
Merge commit 'b3b35ce80e9eb94f72c4aa36a171a5e1cde72ace' into internal…
vseanreesermsft Feb 10, 2026
e1139d2
Merging internal commits for release/8.0 (#124237)
wfurt Feb 10, 2026
079088e
Merge branch 'release/8.0-staging' into merge/release/8.0-to-release/…
jozkee Feb 12, 2026
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2 changes: 1 addition & 1 deletion NuGet.config
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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,7 @@
<clear />
<!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
<!-- Begin: Package sources from dotnet-emsdk -->
<add key="darc-pub-dotnet-emsdk-3cbd998" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-3cbd998b/nuget/v3/index.json" />
<add key="darc-pub-dotnet-emsdk-badf9f9" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-badf9f97/nuget/v3/index.json" />
<!-- End: Package sources from dotnet-emsdk -->
<!-- Begin: Package sources from dotnet-sdk -->
<!-- End: Package sources from dotnet-sdk -->
Expand Down
8 changes: 4 additions & 4 deletions eng/Version.Details.xml
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Expand Up@@ -90,13 +90,13 @@
<Sha>8bb0f2d5f3b6b9dff32e2643642bea09bf6ae38d</Sha>
<SourceBuild RepoName="cecil" ManagedOnly="true" />
</Dependency>
<Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.23">
<Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.25">
<Uri>https://github.com/dotnet/emsdk</Uri>
<Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
<Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
</Dependency>
<Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.23-servicing.25612.6">
<Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.25-servicing.26102.2">
<Uri>https://github.com/dotnet/emsdk</Uri>
<Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
<Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
<SourceBuild RepoName="emsdk" ManagedOnly="true" />
</Dependency>
<Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="8.0.0-alpha.1.25615.3">
Expand Down
6 changes: 3 additions & 3 deletions eng/Versions.props
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@@ -1,11 +1,11 @@
<Project>
<PropertyGroup>
<!-- The .NET product branding version -->
<ProductVersion>8.0.23</ProductVersion>
<ProductVersion>8.0.25</ProductVersion>
<!-- File version numbers -->
<MajorVersion>8</MajorVersion>
<MinorVersion>0</MinorVersion>
<PatchVersion>23</PatchVersion>
<PatchVersion>25</PatchVersion>
<SdkBandVersion>8.0.100</SdkBandVersion>
<PackageVersionNet7>7.0.20</PackageVersionNet7>
<PackageVersionNet6>6.0.36</PackageVersionNet6>
Expand DownExpand Up@@ -254,7 +254,7 @@
Note: when the name is updated, make sure to update dependency name in eng/pipelines/common/xplat-setup.yml
like - DarcDependenciesChanged.Microsoft_NET_Workload_Emscripten_Current_Manifest-8_0_100_Transport
-->
<MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.23</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
<MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.25</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
<MicrosoftNETRuntimeEmscriptenVersion>$(MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version)</MicrosoftNETRuntimeEmscriptenVersion>
<!-- workloads -->
<SwixPackageVersion>1.1.87-gba258badda</SwixPackageVersion>
Expand Down
8 changes: 7 additions & 1 deletion eng/pipelines/common/evaluate-paths-job.yml
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Expand Up@@ -28,7 +28,13 @@ jobs:
- job: evaluate_paths
displayName: Evaluate Paths
pool:
vmImage: 'ubuntu-latest'
${{ if eq(variables['System.TeamProject'], 'public') }}:
name: $(DncEngPublicBuildPool)
demands: ImageOverride -equals build.azurelinux.3.amd64.open
${{ else }}:
name: $(DncEngInternalBuildPool)
demands: ImageOverride -equals build.azurelinux.3.amd64
os: linux

steps:
- checkout: self
Expand Down
4 changes: 2 additions & 2 deletions src/libraries/System.Security.Cryptography.Cose/src/System.Security.Cryptography.Cose.csproj
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Expand Up@@ -4,8 +4,8 @@
<TargetFrameworks>$(NetCoreAppCurrent);$(NetCoreAppPrevious);$(NetCoreAppMinimum);netstandard2.0;$(NetFrameworkMinimum)</TargetFrameworks>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
<IsPackable>true</IsPackable>
<ServicingVersion>1</ServicingVersion>
<GeneratePackageOnBuild>false</GeneratePackageOnBuild>
<ServicingVersion>2</ServicingVersion>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<PackageDescription>Provides support for CBOR Object Signing and Encryption (COSE).</PackageDescription>
</PropertyGroup>

Expand Down
56 changes: 47 additions & 9 deletions ...es/System.Security.Cryptography.Cose/src/System/Security/Cryptography/Cose/CoseMessage.cs
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Expand Up@@ -295,20 +295,43 @@ private static void DecodeUnprotectedBucket(CborReader reader, CoseHeaderMap hea

private static void DecodeBucket(CborReader reader, CoseHeaderMap headerParameters)
{
int? length = reader.ReadStartMap();
for (int i = 0; i < length; i++)
reader.ReadStartMap();

while (true)
{
CoseHeaderLabel label = reader.PeekState() switch
CborReaderState state = reader.PeekState();

if (state == CborReaderState.EndMap)
{
reader.ReadEndMap();
break;
}

CoseHeaderLabel label = state switch
{
CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
_ => throw new CryptographicException(SR.Format(SR.DecodeErrorWhileDecoding, SR.DecodeSign1MapLabelWasIncorrect))
};

CoseHeaderValue value = CoseHeaderValue.FromEncodedValue(reader.ReadEncodedValue().Span);
headerParameters.Add(label, value);

try
{
headerParameters.Add(label, value);
}
catch (ArgumentException e)
{
// Lift the well-known header value validation into a CryptographicException.
if (e.ParamName == "value")
{
throw new CryptographicException(e.Message);
}

Debug.Fail("Unexpected ArgumentException from CoseHeaderMap.Add");
throw new CryptographicException(SR.DecodeErrorWhileDecodingSeeInnerEx, e);
}
}
reader.ReadEndMap();
}

private static byte[]? DecodePayload(CborReader reader)
Expand DownExpand Up@@ -563,13 +586,23 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
return false;
}

bool empty = true;

var reader = new CborReader(critHeaderValue.EncodedValue);
int length = reader.ReadStartArray().GetValueOrDefault();
Debug.Assert(length > 0);
reader.ReadStartArray();

for (int i = 0; i < length; i++)
while (true)
{
CoseHeaderLabel label = reader.PeekState() switch
CborReaderState state = reader.PeekState();

if (state == CborReaderState.EndArray)
{
reader.ReadEndArray();
break;
}

empty = false;
CoseHeaderLabel label = state switch
{
CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
Expand All@@ -583,6 +616,11 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
}
}

if (empty)
{
throw new CryptographicException(SR.CriticalHeadersMustBeArrayOfAtLeastOne);
}

labelName = null;
return false;
}
Expand Down
126 changes: 126 additions & 0 deletions src/libraries/System.Security.Cryptography.Cose/tests/CoseMessageTests.DecodeMultiSign.cs
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Expand Up@@ -144,5 +144,131 @@ public void DecodeMultiSign_IndefiniteLengthArray_ShorterByOne(string hexCborPay
CryptographicException ex = Assert.Throws<CryptographicException>(() => CoseMessage.DecodeMultiSign(cborPayload));
Assert.Null(ex.InnerException);
}

[Theory]
[InlineData(true, true)]
[InlineData(true, false)]
[InlineData(false, false)]
[InlineData(false, true)]
public void DecodeMultiSignThrowsIfCriticalHeaderIsMissing(bool detached, bool useIndefiniteLength)
{
const string AttachedDefiniteHex =
"D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
"0281182AA05840ECB8C39BE15156FB6567C33634C75396D7FE1042C84FE54B9C" +
"EFA51E674C0CB227A8C08E558B6047668BBE3311749776670D1583A14B3A2DD8" +
"7F63F0FA298452";

const string AttachedIndefiniteHex =
"D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
"029F182AFFA05840F62CB760AC27D393D88ED392D5D4D55A02B0BB75261E75FE" +
"9B346C280DA6B93BE7F5B1B66B74561513EA52CAA2C66FE7474010035C678DA6" +
"B3549D3E671166EB";

const string DetachedDefiniteHex =
"D8628440A0F6818347A201260281182AA05840F96CE3D0999F34BE0E3FC62AE2" +
"AB25DD8D88F7154E6FADD5FFFEAF78F89DB97AC3E599ADB555C8442BD520F3F4" +
"8CB6A320B864677E26D1FA79FEDD79C3BCA927";

const string DetachedIndefiniteHex =
"D8628440A0F6818348A20126029F182AFFA0584028E95F7F9267CED0061339A7" +
"6602D823774EDA3E8D53B0A4FA436B71B0DBCA6F03F561A67355374AF494648C" +
"941558146F9C22B17542EBAF23497D27635A1829";

string inputHex = (detached, useIndefiniteLength) switch
{
(false, false) => AttachedDefiniteHex,
(false, true) => AttachedIndefiniteHex,
(true, false) => DetachedDefiniteHex,
(true, true) => DetachedIndefiniteHex,
};

AssertExtensions.ThrowsContains<CryptographicException>(
() => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
"Critical Header '42' missing from protected map.");
}

[Theory]
[InlineData(true, true)]
[InlineData(true, false)]
[InlineData(false, false)]
[InlineData(false, true)]
public void DecodeMultiSignThrowsIfCriticalHeadersIsEmpty(bool detached, bool useIndefiniteLength)
{
const string AttachedDefiniteHex =
"D8628440A054546869732069732074686520636F6E74656E742E818345A20126" +
"0280A05840B5F9E21078643A74B181ED294AC72C71F20AC5CA7AD037F559C68E" +
"06148429396A4194133763AB6918D747ACEE820CC430C2E891E3E2D5EECF6126" +
"1CEA33C6D4";

const string AttachedIndefiniteHex =
"D8628440A054546869732069732074686520636F6E74656E742E818346A20126" +
"029FFFA05840DDF3C0B85415AD1628C0B50C0F3FEDE675C1003484687CDFA3FA" +
"09285D5A31D48ADF11744BE0AE87F0189408A9CF38F0572537E8A786D505B6A6" +
"EE2008B91C74";

const string DetachedDefiniteHex =
"D8628440A0F6818345A201260280A05840EB66EE9E064CAB2E2F50244661734D" +
"9AEBD959BD21278E8D4827870DFE10C27B52E3E21D29185FC64526DC3B80C108" +
"548E956E9DBDDC7B23D100C17715AEE163";

const string DetachedIndefiniteHex =
"D8628440A0F6818346A20126029FFFA05840FC954ABD1611F7C6EEDD7FE71C3F" +
"62821AD46ED1988500F3309D0C607F0F151A69D0FC7BC968B2C36AEE68AC2B9A" +
"9580DFE1244F6E5F834183497F21EA5900C1";

string inputHex = (detached, useIndefiniteLength) switch
{
(false, false) => AttachedDefiniteHex,
(false, true) => AttachedIndefiniteHex,
(true, false) => DetachedDefiniteHex,
(true, true) => DetachedIndefiniteHex,
};

AssertExtensions.ThrowsContains<CryptographicException>(
() => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
"Critical Headers must be a CBOR array of at least one element.");
}

[Theory]
[InlineData(true, true)]
[InlineData(true, false)]
[InlineData(false, false)]
[InlineData(false, true)]
public void DecodeMultiSignThrowsIfCriticalHeaderIsOfUnknownType(bool detached, bool useIndefiniteLength)
{
const string AttachedDefiniteHex =
"D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
"0281412AA05840FCAFEDBE41693C7BA43FB58E2CF06182BE1BF340122CC5AFD4" +
"F59172C7E95166FF8E98FE9A0C2BEFEA135FD800DE6CA9A281D49B141CB93B17" +
"D992E693540F8A";

const string AttachedIndefiniteHex =
"D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
"029F412AFFA058400D3F4426B26007D731677D99B542E524847FF3927BCA74E4" +
"1823B09D6CA57A0E107F93DFE5DB851F4CEE8C0E4AF83E3540848F026FCD761F" +
"91CA2ED8D5F98134";

const string DetachedDefiniteHex =
"D8628440A0F6818347A201260281412AA0584008E0EEF66622FEC926CB651E90" +
"13D8628AB72581533761EDE52972FE6DFBF2C4BADB6C218E8AD1E28F8192DFB2" +
"8A82A4444A74C370AEA6C63AC982EABCD52874";

const string DetachedIndefiniteHex =
"D8628440A0F6818348A20126029F412AFFA05840C6DDCA2F35B7B285AB594963" +
"E9DB43CBDC77842256A7D1D31704749C7446AD5A67BBC02F9DBAF8F394ECCCA7" +
"8E8B63E5BB746F0205EE5732DFB2E00EBA3D5F48";

string inputHex = (detached, useIndefiniteLength) switch
{
(false, false) => AttachedDefiniteHex,
(false, true) => AttachedIndefiniteHex,
(true, false) => DetachedDefiniteHex,
(true, true) => DetachedIndefiniteHex,
};

AssertExtensions.ThrowsContains<CryptographicException>(
() => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
"Header '2' does not accept the specified value.");
}
}
}
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function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
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});
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})();
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[automated] Merge branch 'release/8.0' => 'release/8.0-staging' by github-actions[bot] · Pull Request #124246 · dotnet/runtime · GitHub
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[automated] Merge branch 'release/8.0' => 'release/8.0-staging'#124246

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 Merged

rbhanda
merged 32 commits into

from

Feb 12, 2026
 Merged


[automated] Merge branch 'release/8.0' => 'release/8.0-staging'
#124246
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9a09d7b

Merge commit '9cccd83f8b7026dc0b5becb1714bac1499397665'

Nov 5, 2025
2f6e04b

Merge commit '283dede38f06421d05f205680629201b8f57acc4'

Nov 5, 2025
35123be

Merge commit '8dbea2724dde020db38d9137e70b7776f4386551'

Nov 11, 2025
3423649

Merge commit '0729d333794d0cf547fc4cd0ecd22d842d515eef'

Nov 26, 2025
06f15fd

Merge commit '891f8976f28fd6a55d2568bce0b8c2a583bd190f'

Nov 26, 2025
1c1ec94

Merge commit '34de5e17eb94e643aa3cc3af48cb77dc5ec7ac9a'

Dec 4, 2025
439bc75

Merge commit '103b56efcfd272e1e8e78edc6787c282848dfb05'

Dec 5, 2025
82336dd

Merge commit '56acca83b9d21995f9796254256e33c0f145aff2'

Dec 5, 2025
c96cd11

Merge commit 'ac345324f04146714172ea78c5496bd979fc3dcf'

Dec 6, 2025
42f3d19

Merge commit 'c9190610b22c83b8d56868bf01001601895a54e7'

Dec 22, 2025
d97033d

Merge commit 'b18624c4de9bde1f2ea6e23e38c68a271ed9966f'

Dec 25, 2025
c102bea

Update branding to 8.0.24 (#122887)


vseanreesermsft Jan 6, 2026
aaef8bb

Merge commit 'c102bea96ed4e07bb138c7815c7607ab56facdff'

Jan 6, 2026
2042eb2

Revert "[release/8.0] Update dependencies from dotnet/arcade" (#122943)


jozkee Jan 7, 2026
69107ea

Merge commit '2042eb2a56112539bf9e0b9538972fdd84e381a0'

Jan 7, 2026
9e1f70e

Fix the type of exception thrown when decoding bad headers


bartonjs Jan 8, 2026
cb6dd00

[release/8.0] Update dependencies from dotnet/emsdk (#122746)


dotnet-maestro[bot] Jan 13, 2026
39736b8

Merge commit 'cb6dd00c21d6d8a373efbc7f5b5088caab5d8e22'

Jan 13, 2026
be63b29

Merge commit 'c96cd11cb2f0c204f272b2280082a329aee24cf7' into internal…


vseanreesermsft Jan 13, 2026
a22f890

Merging internal commits for release/8.0 (#123150)


jeffhandley Jan 13, 2026
7e46fb9

Merge commit 'a22f8900be30f9d81cf1bee76a885e45c811c857'

Jan 13, 2026
fb7ac0f

[manual] Merge release/8.0-staging into release/8.0 (#123114)


jeffhandley Jan 13, 2026
da103bc

Merge commit 'fb7ac0ff0437c5405458a2a953d29a6aeb5e76f0'

Jan 13, 2026
b43df22

[release/8.0] Update dependencies from dotnet/emsdk (#123185)


dotnet-maestro[bot] Jan 20, 2026
b3b35ce

Merge commit 'b43df221a7854ae9b3c831a436c333ec9549bc5d'

Jan 20, 2026
38eebd9

[release/8.0] Change pool for evaluate-paths (#123462)


github-actions[bot] Jan 26, 2026
9345ccc

Update branding to 8.0.25 (#123896)


vseanreesermsft Feb 5, 2026
7a6845d

[release/8.0] Update dependencies from dotnet/emsdk (#123408)


dotnet-maestro[bot] Feb 5, 2026
7e53964

[release/8.0] Use correct name for AZL3 build image (#124179)


akoeplinger Feb 9, 2026
c7aa2e8

Merge commit 'b3b35ce80e9eb94f72c4aa36a171a5e1cde72ace' into internal…


vseanreesermsft Feb 10, 2026
e1139d2

Merging internal commits for release/8.0 (#124237)


wfurt Feb 10, 2026
079088e

Merge branch 'release/8.0-staging' into merge/release/8.0-to-release/…


jozkee Feb 12, 2026

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2 changes: 1 addition & 1 deletion
NuGet.config

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,7 @@
 <clear />
 <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
 <!-- Begin: Package sources from dotnet-emsdk -->
 <add key="darc-pub-dotnet-emsdk-3cbd998" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-3cbd998b/nuget/v3/index.json" />
 <add key="darc-pub-dotnet-emsdk-badf9f9" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-badf9f97/nuget/v3/index.json" />
 <!-- End: Package sources from dotnet-emsdk -->
 <!-- Begin: Package sources from dotnet-sdk -->
 <!-- End: Package sources from dotnet-sdk -->
Expand Down

8 changes: 4 additions & 4 deletions
eng/Version.Details.xml

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Expand Up@@ -90,13 +90,13 @@
 <Sha>8bb0f2d5f3b6b9dff32e2643642bea09bf6ae38d</Sha>
 <SourceBuild RepoName="cecil" ManagedOnly="true" />
 </Dependency>
 <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.23">
 <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.25">
 <Uri>https://github.com/dotnet/emsdk</Uri>
 <Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
 <Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
 </Dependency>
 <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.23-servicing.25612.6">
 <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.25-servicing.26102.2">
 <Uri>https://github.com/dotnet/emsdk</Uri>
 <Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
 <Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
 <SourceBuild RepoName="emsdk" ManagedOnly="true" />
 </Dependency>
 <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="8.0.0-alpha.1.25615.3">
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6 changes: 3 additions & 3 deletions
eng/Versions.props

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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,11 @@
<Project>
 <PropertyGroup>
 <!-- The .NET product branding version -->
 <ProductVersion>8.0.23</ProductVersion>
 <ProductVersion>8.0.25</ProductVersion>
 <!-- File version numbers -->
 <MajorVersion>8</MajorVersion>
 <MinorVersion>0</MinorVersion>
 <PatchVersion>23</PatchVersion>
 <PatchVersion>25</PatchVersion>
 <SdkBandVersion>8.0.100</SdkBandVersion>
 <PackageVersionNet7>7.0.20</PackageVersionNet7>
 <PackageVersionNet6>6.0.36</PackageVersionNet6>
Expand DownExpand Up@@ -254,7 +254,7 @@
 Note: when the name is updated, make sure to update dependency name in eng/pipelines/common/xplat-setup.yml
 like - DarcDependenciesChanged.Microsoft_NET_Workload_Emscripten_Current_Manifest-8_0_100_Transport
 -->
 <MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.23</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
 <MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.25</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
 <MicrosoftNETRuntimeEmscriptenVersion>$(MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version)</MicrosoftNETRuntimeEmscriptenVersion>
 <!-- workloads -->
 <SwixPackageVersion>1.1.87-gba258badda</SwixPackageVersion>
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8 changes: 7 additions & 1 deletion
eng/pipelines/common/evaluate-paths-job.yml

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Expand Up@@ -28,7 +28,13 @@ jobs:
 - job: evaluate_paths
 displayName: Evaluate Paths
 pool:
 vmImage: 'ubuntu-latest'
 ${{ if eq(variables['System.TeamProject'], 'public') }}:
 name: $(DncEngPublicBuildPool)
 demands: ImageOverride -equals build.azurelinux.3.amd64.open
 ${{ else }}:
 name: $(DncEngInternalBuildPool)
 demands: ImageOverride -equals build.azurelinux.3.amd64
 os: linux

 steps:
 - checkout: self
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4 changes: 2 additions & 2 deletions
src/libraries/System.Security.Cryptography.Cose/src/System.Security.Cryptography.Cose.csproj

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Expand Up@@ -4,8 +4,8 @@
 <TargetFrameworks>$(NetCoreAppCurrent);$(NetCoreAppPrevious);$(NetCoreAppMinimum);netstandard2.0;$(NetFrameworkMinimum)</TargetFrameworks>
 <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
 <IsPackable>true</IsPackable>
 <ServicingVersion>1</ServicingVersion>
 <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
 <ServicingVersion>2</ServicingVersion>
 <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 <PackageDescription>Provides support for CBOR Object Signing and Encryption (COSE).</PackageDescription>
 </PropertyGroup>

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56 changes: 47 additions & 9 deletions
...es/System.Security.Cryptography.Cose/src/System/Security/Cryptography/Cose/CoseMessage.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -295,20 +295,43 @@ private static void DecodeUnprotectedBucket(CborReader reader, CoseHeaderMap hea

 private static void DecodeBucket(CborReader reader, CoseHeaderMap headerParameters)
 {
 int? length = reader.ReadStartMap();
 for (int i = 0; i < length; i++)
 reader.ReadStartMap();

 while (true)
 {
 CoseHeaderLabel label = reader.PeekState() switch
 CborReaderState state = reader.PeekState();

 if (state == CborReaderState.EndMap)
 {
 reader.ReadEndMap();
 break;
 }

 CoseHeaderLabel label = state switch
 {
 CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
 CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
 _ => throw new CryptographicException(SR.Format(SR.DecodeErrorWhileDecoding, SR.DecodeSign1MapLabelWasIncorrect))
 };

 CoseHeaderValue value = CoseHeaderValue.FromEncodedValue(reader.ReadEncodedValue().Span);
 headerParameters.Add(label, value);

 try
 {
 headerParameters.Add(label, value);
 }
 catch (ArgumentException e)
 {
 // Lift the well-known header value validation into a CryptographicException.
 if (e.ParamName == "value")
 {
 throw new CryptographicException(e.Message);
 }

 Debug.Fail("Unexpected ArgumentException from CoseHeaderMap.Add");
 throw new CryptographicException(SR.DecodeErrorWhileDecodingSeeInnerEx, e);
 }
 }
 reader.ReadEndMap();
 }

 private static byte[]? DecodePayload(CborReader reader)
Expand DownExpand Up@@ -563,13 +586,23 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
 return false;
 }

 bool empty = true;

 var reader = new CborReader(critHeaderValue.EncodedValue);
 int length = reader.ReadStartArray().GetValueOrDefault();
 Debug.Assert(length > 0);
 reader.ReadStartArray();

for (int i = 0; i < length; i++)
while (true)
 {
 CoseHeaderLabel label = reader.PeekState() switch
 CborReaderState state = reader.PeekState();

 if (state == CborReaderState.EndArray)
 {
 reader.ReadEndArray();
 break;
 }

 empty = false;
 CoseHeaderLabel label = state switch
 {
 CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
 CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
Expand All@@ -583,6 +616,11 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
 }
 }

 if (empty)
 {
 throw new CryptographicException(SR.CriticalHeadersMustBeArrayOfAtLeastOne);
 }

 labelName = null;
 return false;
 }
Expand Down

126 changes: 126 additions & 0 deletions
src/libraries/System.Security.Cryptography.Cose/tests/CoseMessageTests.DecodeMultiSign.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -144,5 +144,131 @@ public void DecodeMultiSign_IndefiniteLengthArray_ShorterByOne(string hexCborPay
 CryptographicException ex = Assert.Throws<CryptographicException>(() => CoseMessage.DecodeMultiSign(cborPayload));
 Assert.Null(ex.InnerException);
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeaderIsMissing(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
 "0281182AA05840ECB8C39BE15156FB6567C33634C75396D7FE1042C84FE54B9C" +
 "EFA51E674C0CB227A8C08E558B6047668BBE3311749776670D1583A14B3A2DD8" +
 "7F63F0FA298452";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
 "029F182AFFA05840F62CB760AC27D393D88ED392D5D4D55A02B0BB75261E75FE" +
 "9B346C280DA6B93BE7F5B1B66B74561513EA52CAA2C66FE7474010035C678DA6" +
 "B3549D3E671166EB";

 const string DetachedDefiniteHex =
 "D8628440A0F6818347A201260281182AA05840F96CE3D0999F34BE0E3FC62AE2" +
 "AB25DD8D88F7154E6FADD5FFFEAF78F89DB97AC3E599ADB555C8442BD520F3F4" +
 "8CB6A320B864677E26D1FA79FEDD79C3BCA927";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818348A20126029F182AFFA0584028E95F7F9267CED0061339A7" +
 "6602D823774EDA3E8D53B0A4FA436B71B0DBCA6F03F561A67355374AF494648C" +
 "941558146F9C22B17542EBAF23497D27635A1829";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Critical Header '42' missing from protected map.");
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeadersIsEmpty(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818345A20126" +
 "0280A05840B5F9E21078643A74B181ED294AC72C71F20AC5CA7AD037F559C68E" +
 "06148429396A4194133763AB6918D747ACEE820CC430C2E891E3E2D5EECF6126" +
 "1CEA33C6D4";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818346A20126" +
 "029FFFA05840DDF3C0B85415AD1628C0B50C0F3FEDE675C1003484687CDFA3FA" +
 "09285D5A31D48ADF11744BE0AE87F0189408A9CF38F0572537E8A786D505B6A6" +
 "EE2008B91C74";

 const string DetachedDefiniteHex =
 "D8628440A0F6818345A201260280A05840EB66EE9E064CAB2E2F50244661734D" +
 "9AEBD959BD21278E8D4827870DFE10C27B52E3E21D29185FC64526DC3B80C108" +
 "548E956E9DBDDC7B23D100C17715AEE163";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818346A20126029FFFA05840FC954ABD1611F7C6EEDD7FE71C3F" +
 "62821AD46ED1988500F3309D0C607F0F151A69D0FC7BC968B2C36AEE68AC2B9A" +
 "9580DFE1244F6E5F834183497F21EA5900C1";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Critical Headers must be a CBOR array of at least one element.");
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeaderIsOfUnknownType(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
 "0281412AA05840FCAFEDBE41693C7BA43FB58E2CF06182BE1BF340122CC5AFD4" +
 "F59172C7E95166FF8E98FE9A0C2BEFEA135FD800DE6CA9A281D49B141CB93B17" +
 "D992E693540F8A";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
 "029F412AFFA058400D3F4426B26007D731677D99B542E524847FF3927BCA74E4" +
 "1823B09D6CA57A0E107F93DFE5DB851F4CEE8C0E4AF83E3540848F026FCD761F" +
 "91CA2ED8D5F98134";

 const string DetachedDefiniteHex =
 "D8628440A0F6818347A201260281412AA0584008E0EEF66622FEC926CB651E90" +
 "13D8628AB72581533761EDE52972FE6DFBF2C4BADB6C218E8AD1E28F8192DFB2" +
 "8A82A4444A74C370AEA6C63AC982EABCD52874";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818348A20126029F412AFFA05840C6DDCA2F35B7B285AB594963" +
 "E9DB43CBDC77842256A7D1D31704749C7446AD5A67BBC02F9DBAF8F394ECCCA7" +
 "8E8B63E5BB746F0205EE5732DFB2E00EBA3D5F48";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Header '2' does not accept the specified value.");
 }
 }
}
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[automated] Merge branch 'release/8.0' => 'release/8.0-staging' by github-actions[bot] · Pull Request #124246 · dotnet/runtime · GitHub
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 Merged

rbhanda
merged 32 commits into

from

Feb 12, 2026
 Merged


[automated] Merge branch 'release/8.0' => 'release/8.0-staging'
#124246
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9a09d7b

Merge commit '9cccd83f8b7026dc0b5becb1714bac1499397665'

Nov 5, 2025
2f6e04b

Merge commit '283dede38f06421d05f205680629201b8f57acc4'

Nov 5, 2025
35123be

Merge commit '8dbea2724dde020db38d9137e70b7776f4386551'

Nov 11, 2025
3423649

Merge commit '0729d333794d0cf547fc4cd0ecd22d842d515eef'

Nov 26, 2025
06f15fd

Merge commit '891f8976f28fd6a55d2568bce0b8c2a583bd190f'

Nov 26, 2025
1c1ec94

Merge commit '34de5e17eb94e643aa3cc3af48cb77dc5ec7ac9a'

Dec 4, 2025
439bc75

Merge commit '103b56efcfd272e1e8e78edc6787c282848dfb05'

Dec 5, 2025
82336dd

Merge commit '56acca83b9d21995f9796254256e33c0f145aff2'

Dec 5, 2025
c96cd11

Merge commit 'ac345324f04146714172ea78c5496bd979fc3dcf'

Dec 6, 2025
42f3d19

Merge commit 'c9190610b22c83b8d56868bf01001601895a54e7'

Dec 22, 2025
d97033d

Merge commit 'b18624c4de9bde1f2ea6e23e38c68a271ed9966f'

Dec 25, 2025
c102bea

Update branding to 8.0.24 (#122887)


vseanreesermsft Jan 6, 2026
aaef8bb

Merge commit 'c102bea96ed4e07bb138c7815c7607ab56facdff'

Jan 6, 2026
2042eb2

Revert "[release/8.0] Update dependencies from dotnet/arcade" (#122943)


jozkee Jan 7, 2026
69107ea

Merge commit '2042eb2a56112539bf9e0b9538972fdd84e381a0'

Jan 7, 2026
9e1f70e

Fix the type of exception thrown when decoding bad headers


bartonjs Jan 8, 2026
cb6dd00

[release/8.0] Update dependencies from dotnet/emsdk (#122746)


dotnet-maestro[bot] Jan 13, 2026
39736b8

Merge commit 'cb6dd00c21d6d8a373efbc7f5b5088caab5d8e22'

Jan 13, 2026
be63b29

Merge commit 'c96cd11cb2f0c204f272b2280082a329aee24cf7' into internal…


vseanreesermsft Jan 13, 2026
a22f890

Merging internal commits for release/8.0 (#123150)


jeffhandley Jan 13, 2026
7e46fb9

Merge commit 'a22f8900be30f9d81cf1bee76a885e45c811c857'

Jan 13, 2026
fb7ac0f

[manual] Merge release/8.0-staging into release/8.0 (#123114)


jeffhandley Jan 13, 2026
da103bc

Merge commit 'fb7ac0ff0437c5405458a2a953d29a6aeb5e76f0'

Jan 13, 2026
b43df22

[release/8.0] Update dependencies from dotnet/emsdk (#123185)


dotnet-maestro[bot] Jan 20, 2026
b3b35ce

Merge commit 'b43df221a7854ae9b3c831a436c333ec9549bc5d'

Jan 20, 2026
38eebd9

[release/8.0] Change pool for evaluate-paths (#123462)


github-actions[bot] Jan 26, 2026
9345ccc

Update branding to 8.0.25 (#123896)


vseanreesermsft Feb 5, 2026
7a6845d

[release/8.0] Update dependencies from dotnet/emsdk (#123408)


dotnet-maestro[bot] Feb 5, 2026
7e53964

[release/8.0] Use correct name for AZL3 build image (#124179)


akoeplinger Feb 9, 2026
c7aa2e8

Merge commit 'b3b35ce80e9eb94f72c4aa36a171a5e1cde72ace' into internal…


vseanreesermsft Feb 10, 2026
e1139d2

Merging internal commits for release/8.0 (#124237)


wfurt Feb 10, 2026
079088e

Merge branch 'release/8.0-staging' into merge/release/8.0-to-release/…


jozkee Feb 12, 2026

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2 changes: 1 addition & 1 deletion
NuGet.config

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,7 @@
 <clear />
 <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
 <!-- Begin: Package sources from dotnet-emsdk -->
 <add key="darc-pub-dotnet-emsdk-3cbd998" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-3cbd998b/nuget/v3/index.json" />
 <add key="darc-pub-dotnet-emsdk-badf9f9" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-badf9f97/nuget/v3/index.json" />
 <!-- End: Package sources from dotnet-emsdk -->
 <!-- Begin: Package sources from dotnet-sdk -->
 <!-- End: Package sources from dotnet-sdk -->
Expand Down

8 changes: 4 additions & 4 deletions
eng/Version.Details.xml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -90,13 +90,13 @@
 <Sha>8bb0f2d5f3b6b9dff32e2643642bea09bf6ae38d</Sha>
 <SourceBuild RepoName="cecil" ManagedOnly="true" />
 </Dependency>
 <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.23">
 <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.25">
 <Uri>https://github.com/dotnet/emsdk</Uri>
 <Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
 <Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
 </Dependency>
 <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.23-servicing.25612.6">
 <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.25-servicing.26102.2">
 <Uri>https://github.com/dotnet/emsdk</Uri>
 <Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
 <Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
 <SourceBuild RepoName="emsdk" ManagedOnly="true" />
 </Dependency>
 <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="8.0.0-alpha.1.25615.3">
Expand Down

6 changes: 3 additions & 3 deletions
eng/Versions.props

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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,11 @@
<Project>
 <PropertyGroup>
 <!-- The .NET product branding version -->
 <ProductVersion>8.0.23</ProductVersion>
 <ProductVersion>8.0.25</ProductVersion>
 <!-- File version numbers -->
 <MajorVersion>8</MajorVersion>
 <MinorVersion>0</MinorVersion>
 <PatchVersion>23</PatchVersion>
 <PatchVersion>25</PatchVersion>
 <SdkBandVersion>8.0.100</SdkBandVersion>
 <PackageVersionNet7>7.0.20</PackageVersionNet7>
 <PackageVersionNet6>6.0.36</PackageVersionNet6>
Expand DownExpand Up@@ -254,7 +254,7 @@
 Note: when the name is updated, make sure to update dependency name in eng/pipelines/common/xplat-setup.yml
 like - DarcDependenciesChanged.Microsoft_NET_Workload_Emscripten_Current_Manifest-8_0_100_Transport
 -->
 <MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.23</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
 <MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.25</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
 <MicrosoftNETRuntimeEmscriptenVersion>$(MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version)</MicrosoftNETRuntimeEmscriptenVersion>
 <!-- workloads -->
 <SwixPackageVersion>1.1.87-gba258badda</SwixPackageVersion>
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8 changes: 7 additions & 1 deletion
eng/pipelines/common/evaluate-paths-job.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -28,7 +28,13 @@ jobs:
 - job: evaluate_paths
 displayName: Evaluate Paths
 pool:
 vmImage: 'ubuntu-latest'
 ${{ if eq(variables['System.TeamProject'], 'public') }}:
 name: $(DncEngPublicBuildPool)
 demands: ImageOverride -equals build.azurelinux.3.amd64.open
 ${{ else }}:
 name: $(DncEngInternalBuildPool)
 demands: ImageOverride -equals build.azurelinux.3.amd64
 os: linux

 steps:
 - checkout: self
Expand Down

4 changes: 2 additions & 2 deletions
src/libraries/System.Security.Cryptography.Cose/src/System.Security.Cryptography.Cose.csproj

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Original file line numberDiff line numberDiff line change
Expand Up@@ -4,8 +4,8 @@
 <TargetFrameworks>$(NetCoreAppCurrent);$(NetCoreAppPrevious);$(NetCoreAppMinimum);netstandard2.0;$(NetFrameworkMinimum)</TargetFrameworks>
 <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
 <IsPackable>true</IsPackable>
 <ServicingVersion>1</ServicingVersion>
 <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
 <ServicingVersion>2</ServicingVersion>
 <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 <PackageDescription>Provides support for CBOR Object Signing and Encryption (COSE).</PackageDescription>
 </PropertyGroup>

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56 changes: 47 additions & 9 deletions
...es/System.Security.Cryptography.Cose/src/System/Security/Cryptography/Cose/CoseMessage.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -295,20 +295,43 @@ private static void DecodeUnprotectedBucket(CborReader reader, CoseHeaderMap hea

 private static void DecodeBucket(CborReader reader, CoseHeaderMap headerParameters)
 {
 int? length = reader.ReadStartMap();
 for (int i = 0; i < length; i++)
 reader.ReadStartMap();

 while (true)
 {
 CoseHeaderLabel label = reader.PeekState() switch
 CborReaderState state = reader.PeekState();

 if (state == CborReaderState.EndMap)
 {
 reader.ReadEndMap();
 break;
 }

 CoseHeaderLabel label = state switch
 {
 CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
 CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
 _ => throw new CryptographicException(SR.Format(SR.DecodeErrorWhileDecoding, SR.DecodeSign1MapLabelWasIncorrect))
 };

 CoseHeaderValue value = CoseHeaderValue.FromEncodedValue(reader.ReadEncodedValue().Span);
 headerParameters.Add(label, value);

 try
 {
 headerParameters.Add(label, value);
 }
 catch (ArgumentException e)
 {
 // Lift the well-known header value validation into a CryptographicException.
 if (e.ParamName == "value")
 {
 throw new CryptographicException(e.Message);
 }

 Debug.Fail("Unexpected ArgumentException from CoseHeaderMap.Add");
 throw new CryptographicException(SR.DecodeErrorWhileDecodingSeeInnerEx, e);
 }
 }
 reader.ReadEndMap();
 }

 private static byte[]? DecodePayload(CborReader reader)
Expand DownExpand Up@@ -563,13 +586,23 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
 return false;
 }

 bool empty = true;

 var reader = new CborReader(critHeaderValue.EncodedValue);
 int length = reader.ReadStartArray().GetValueOrDefault();
 Debug.Assert(length > 0);
 reader.ReadStartArray();

for (int i = 0; i < length; i++)
while (true)
 {
 CoseHeaderLabel label = reader.PeekState() switch
 CborReaderState state = reader.PeekState();

 if (state == CborReaderState.EndArray)
 {
 reader.ReadEndArray();
 break;
 }

 empty = false;
 CoseHeaderLabel label = state switch
 {
 CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
 CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
Expand All@@ -583,6 +616,11 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
 }
 }

 if (empty)
 {
 throw new CryptographicException(SR.CriticalHeadersMustBeArrayOfAtLeastOne);
 }

 labelName = null;
 return false;
 }
Expand Down

126 changes: 126 additions & 0 deletions
src/libraries/System.Security.Cryptography.Cose/tests/CoseMessageTests.DecodeMultiSign.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -144,5 +144,131 @@ public void DecodeMultiSign_IndefiniteLengthArray_ShorterByOne(string hexCborPay
 CryptographicException ex = Assert.Throws<CryptographicException>(() => CoseMessage.DecodeMultiSign(cborPayload));
 Assert.Null(ex.InnerException);
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeaderIsMissing(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
 "0281182AA05840ECB8C39BE15156FB6567C33634C75396D7FE1042C84FE54B9C" +
 "EFA51E674C0CB227A8C08E558B6047668BBE3311749776670D1583A14B3A2DD8" +
 "7F63F0FA298452";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
 "029F182AFFA05840F62CB760AC27D393D88ED392D5D4D55A02B0BB75261E75FE" +
 "9B346C280DA6B93BE7F5B1B66B74561513EA52CAA2C66FE7474010035C678DA6" +
 "B3549D3E671166EB";

 const string DetachedDefiniteHex =
 "D8628440A0F6818347A201260281182AA05840F96CE3D0999F34BE0E3FC62AE2" +
 "AB25DD8D88F7154E6FADD5FFFEAF78F89DB97AC3E599ADB555C8442BD520F3F4" +
 "8CB6A320B864677E26D1FA79FEDD79C3BCA927";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818348A20126029F182AFFA0584028E95F7F9267CED0061339A7" +
 "6602D823774EDA3E8D53B0A4FA436B71B0DBCA6F03F561A67355374AF494648C" +
 "941558146F9C22B17542EBAF23497D27635A1829";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Critical Header '42' missing from protected map.");
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeadersIsEmpty(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818345A20126" +
 "0280A05840B5F9E21078643A74B181ED294AC72C71F20AC5CA7AD037F559C68E" +
 "06148429396A4194133763AB6918D747ACEE820CC430C2E891E3E2D5EECF6126" +
 "1CEA33C6D4";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818346A20126" +
 "029FFFA05840DDF3C0B85415AD1628C0B50C0F3FEDE675C1003484687CDFA3FA" +
 "09285D5A31D48ADF11744BE0AE87F0189408A9CF38F0572537E8A786D505B6A6" +
 "EE2008B91C74";

 const string DetachedDefiniteHex =
 "D8628440A0F6818345A201260280A05840EB66EE9E064CAB2E2F50244661734D" +
 "9AEBD959BD21278E8D4827870DFE10C27B52E3E21D29185FC64526DC3B80C108" +
 "548E956E9DBDDC7B23D100C17715AEE163";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818346A20126029FFFA05840FC954ABD1611F7C6EEDD7FE71C3F" +
 "62821AD46ED1988500F3309D0C607F0F151A69D0FC7BC968B2C36AEE68AC2B9A" +
 "9580DFE1244F6E5F834183497F21EA5900C1";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Critical Headers must be a CBOR array of at least one element.");
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeaderIsOfUnknownType(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
 "0281412AA05840FCAFEDBE41693C7BA43FB58E2CF06182BE1BF340122CC5AFD4" +
 "F59172C7E95166FF8E98FE9A0C2BEFEA135FD800DE6CA9A281D49B141CB93B17" +
 "D992E693540F8A";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
 "029F412AFFA058400D3F4426B26007D731677D99B542E524847FF3927BCA74E4" +
 "1823B09D6CA57A0E107F93DFE5DB851F4CEE8C0E4AF83E3540848F026FCD761F" +
 "91CA2ED8D5F98134";

 const string DetachedDefiniteHex =
 "D8628440A0F6818347A201260281412AA0584008E0EEF66622FEC926CB651E90" +
 "13D8628AB72581533761EDE52972FE6DFBF2C4BADB6C218E8AD1E28F8192DFB2" +
 "8A82A4444A74C370AEA6C63AC982EABCD52874";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818348A20126029F412AFFA05840C6DDCA2F35B7B285AB594963" +
 "E9DB43CBDC77842256A7D1D31704749C7446AD5A67BBC02F9DBAF8F394ECCCA7" +
 "8E8B63E5BB746F0205EE5732DFB2E00EBA3D5F48";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Header '2' does not accept the specified value.");
 }
 }
}
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
[automated] Merge branch 'release/8.0' => 'release/8.0-staging' by github-actions[bot] · Pull Request #124246 · dotnet/runtime · GitHub
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 Merged

rbhanda
merged 32 commits into

from

Feb 12, 2026
 Merged


[automated] Merge branch 'release/8.0' => 'release/8.0-staging'
#124246
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9a09d7b

Merge commit '9cccd83f8b7026dc0b5becb1714bac1499397665'

Nov 5, 2025
2f6e04b

Merge commit '283dede38f06421d05f205680629201b8f57acc4'

Nov 5, 2025
35123be

Merge commit '8dbea2724dde020db38d9137e70b7776f4386551'

Nov 11, 2025
3423649

Merge commit '0729d333794d0cf547fc4cd0ecd22d842d515eef'

Nov 26, 2025
06f15fd

Merge commit '891f8976f28fd6a55d2568bce0b8c2a583bd190f'

Nov 26, 2025
1c1ec94

Merge commit '34de5e17eb94e643aa3cc3af48cb77dc5ec7ac9a'

Dec 4, 2025
439bc75

Merge commit '103b56efcfd272e1e8e78edc6787c282848dfb05'

Dec 5, 2025
82336dd

Merge commit '56acca83b9d21995f9796254256e33c0f145aff2'

Dec 5, 2025
c96cd11

Merge commit 'ac345324f04146714172ea78c5496bd979fc3dcf'

Dec 6, 2025
42f3d19

Merge commit 'c9190610b22c83b8d56868bf01001601895a54e7'

Dec 22, 2025
d97033d

Merge commit 'b18624c4de9bde1f2ea6e23e38c68a271ed9966f'

Dec 25, 2025
c102bea

Update branding to 8.0.24 (#122887)


vseanreesermsft Jan 6, 2026
aaef8bb

Merge commit 'c102bea96ed4e07bb138c7815c7607ab56facdff'

Jan 6, 2026
2042eb2

Revert "[release/8.0] Update dependencies from dotnet/arcade" (#122943)


jozkee Jan 7, 2026
69107ea

Merge commit '2042eb2a56112539bf9e0b9538972fdd84e381a0'

Jan 7, 2026
9e1f70e

Fix the type of exception thrown when decoding bad headers


bartonjs Jan 8, 2026
cb6dd00

[release/8.0] Update dependencies from dotnet/emsdk (#122746)


dotnet-maestro[bot] Jan 13, 2026
39736b8

Merge commit 'cb6dd00c21d6d8a373efbc7f5b5088caab5d8e22'

Jan 13, 2026
be63b29

Merge commit 'c96cd11cb2f0c204f272b2280082a329aee24cf7' into internal…


vseanreesermsft Jan 13, 2026
a22f890

Merging internal commits for release/8.0 (#123150)


jeffhandley Jan 13, 2026
7e46fb9

Merge commit 'a22f8900be30f9d81cf1bee76a885e45c811c857'

Jan 13, 2026
fb7ac0f

[manual] Merge release/8.0-staging into release/8.0 (#123114)


jeffhandley Jan 13, 2026
da103bc

Merge commit 'fb7ac0ff0437c5405458a2a953d29a6aeb5e76f0'

Jan 13, 2026
b43df22

[release/8.0] Update dependencies from dotnet/emsdk (#123185)


dotnet-maestro[bot] Jan 20, 2026
b3b35ce

Merge commit 'b43df221a7854ae9b3c831a436c333ec9549bc5d'

Jan 20, 2026
38eebd9

[release/8.0] Change pool for evaluate-paths (#123462)


github-actions[bot] Jan 26, 2026
9345ccc

Update branding to 8.0.25 (#123896)


vseanreesermsft Feb 5, 2026
7a6845d

[release/8.0] Update dependencies from dotnet/emsdk (#123408)


dotnet-maestro[bot] Feb 5, 2026
7e53964

[release/8.0] Use correct name for AZL3 build image (#124179)


akoeplinger Feb 9, 2026
c7aa2e8

Merge commit 'b3b35ce80e9eb94f72c4aa36a171a5e1cde72ace' into internal…


vseanreesermsft Feb 10, 2026
e1139d2

Merging internal commits for release/8.0 (#124237)


wfurt Feb 10, 2026
079088e

Merge branch 'release/8.0-staging' into merge/release/8.0-to-release/…


jozkee Feb 12, 2026

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2 changes: 1 addition & 1 deletion
NuGet.config

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,7 @@
 <clear />
 <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
 <!-- Begin: Package sources from dotnet-emsdk -->
 <add key="darc-pub-dotnet-emsdk-3cbd998" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-3cbd998b/nuget/v3/index.json" />
 <add key="darc-pub-dotnet-emsdk-badf9f9" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-badf9f97/nuget/v3/index.json" />
 <!-- End: Package sources from dotnet-emsdk -->
 <!-- Begin: Package sources from dotnet-sdk -->
 <!-- End: Package sources from dotnet-sdk -->
Expand Down

8 changes: 4 additions & 4 deletions
eng/Version.Details.xml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -90,13 +90,13 @@
 <Sha>8bb0f2d5f3b6b9dff32e2643642bea09bf6ae38d</Sha>
 <SourceBuild RepoName="cecil" ManagedOnly="true" />
 </Dependency>
 <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.23">
 <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.25">
 <Uri>https://github.com/dotnet/emsdk</Uri>
 <Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
 <Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
 </Dependency>
 <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.23-servicing.25612.6">
 <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.25-servicing.26102.2">
 <Uri>https://github.com/dotnet/emsdk</Uri>
 <Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
 <Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
 <SourceBuild RepoName="emsdk" ManagedOnly="true" />
 </Dependency>
 <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="8.0.0-alpha.1.25615.3">
Expand Down

6 changes: 3 additions & 3 deletions
eng/Versions.props

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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,11 @@
<Project>
 <PropertyGroup>
 <!-- The .NET product branding version -->
 <ProductVersion>8.0.23</ProductVersion>
 <ProductVersion>8.0.25</ProductVersion>
 <!-- File version numbers -->
 <MajorVersion>8</MajorVersion>
 <MinorVersion>0</MinorVersion>
 <PatchVersion>23</PatchVersion>
 <PatchVersion>25</PatchVersion>
 <SdkBandVersion>8.0.100</SdkBandVersion>
 <PackageVersionNet7>7.0.20</PackageVersionNet7>
 <PackageVersionNet6>6.0.36</PackageVersionNet6>
Expand DownExpand Up@@ -254,7 +254,7 @@
 Note: when the name is updated, make sure to update dependency name in eng/pipelines/common/xplat-setup.yml
 like - DarcDependenciesChanged.Microsoft_NET_Workload_Emscripten_Current_Manifest-8_0_100_Transport
 -->
 <MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.23</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
 <MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.25</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
 <MicrosoftNETRuntimeEmscriptenVersion>$(MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version)</MicrosoftNETRuntimeEmscriptenVersion>
 <!-- workloads -->
 <SwixPackageVersion>1.1.87-gba258badda</SwixPackageVersion>
Expand Down

8 changes: 7 additions & 1 deletion
eng/pipelines/common/evaluate-paths-job.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -28,7 +28,13 @@ jobs:
 - job: evaluate_paths
 displayName: Evaluate Paths
 pool:
 vmImage: 'ubuntu-latest'
 ${{ if eq(variables['System.TeamProject'], 'public') }}:
 name: $(DncEngPublicBuildPool)
 demands: ImageOverride -equals build.azurelinux.3.amd64.open
 ${{ else }}:
 name: $(DncEngInternalBuildPool)
 demands: ImageOverride -equals build.azurelinux.3.amd64
 os: linux

 steps:
 - checkout: self
Expand Down

4 changes: 2 additions & 2 deletions
src/libraries/System.Security.Cryptography.Cose/src/System.Security.Cryptography.Cose.csproj

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Original file line numberDiff line numberDiff line change
Expand Up@@ -4,8 +4,8 @@
 <TargetFrameworks>$(NetCoreAppCurrent);$(NetCoreAppPrevious);$(NetCoreAppMinimum);netstandard2.0;$(NetFrameworkMinimum)</TargetFrameworks>
 <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
 <IsPackable>true</IsPackable>
 <ServicingVersion>1</ServicingVersion>
 <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
 <ServicingVersion>2</ServicingVersion>
 <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 <PackageDescription>Provides support for CBOR Object Signing and Encryption (COSE).</PackageDescription>
 </PropertyGroup>

Expand Down

56 changes: 47 additions & 9 deletions
...es/System.Security.Cryptography.Cose/src/System/Security/Cryptography/Cose/CoseMessage.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -295,20 +295,43 @@ private static void DecodeUnprotectedBucket(CborReader reader, CoseHeaderMap hea

 private static void DecodeBucket(CborReader reader, CoseHeaderMap headerParameters)
 {
 int? length = reader.ReadStartMap();
 for (int i = 0; i < length; i++)
 reader.ReadStartMap();

 while (true)
 {
 CoseHeaderLabel label = reader.PeekState() switch
 CborReaderState state = reader.PeekState();

 if (state == CborReaderState.EndMap)
 {
 reader.ReadEndMap();
 break;
 }

 CoseHeaderLabel label = state switch
 {
 CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
 CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
 _ => throw new CryptographicException(SR.Format(SR.DecodeErrorWhileDecoding, SR.DecodeSign1MapLabelWasIncorrect))
 };

 CoseHeaderValue value = CoseHeaderValue.FromEncodedValue(reader.ReadEncodedValue().Span);
 headerParameters.Add(label, value);

 try
 {
 headerParameters.Add(label, value);
 }
 catch (ArgumentException e)
 {
 // Lift the well-known header value validation into a CryptographicException.
 if (e.ParamName == "value")
 {
 throw new CryptographicException(e.Message);
 }

 Debug.Fail("Unexpected ArgumentException from CoseHeaderMap.Add");
 throw new CryptographicException(SR.DecodeErrorWhileDecodingSeeInnerEx, e);
 }
 }
 reader.ReadEndMap();
 }

 private static byte[]? DecodePayload(CborReader reader)
Expand DownExpand Up@@ -563,13 +586,23 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
 return false;
 }

 bool empty = true;

 var reader = new CborReader(critHeaderValue.EncodedValue);
 int length = reader.ReadStartArray().GetValueOrDefault();
 Debug.Assert(length > 0);
 reader.ReadStartArray();

for (int i = 0; i < length; i++)
while (true)
 {
 CoseHeaderLabel label = reader.PeekState() switch
 CborReaderState state = reader.PeekState();

 if (state == CborReaderState.EndArray)
 {
 reader.ReadEndArray();
 break;
 }

 empty = false;
 CoseHeaderLabel label = state switch
 {
 CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
 CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
Expand All@@ -583,6 +616,11 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
 }
 }

 if (empty)
 {
 throw new CryptographicException(SR.CriticalHeadersMustBeArrayOfAtLeastOne);
 }

 labelName = null;
 return false;
 }
Expand Down

126 changes: 126 additions & 0 deletions
src/libraries/System.Security.Cryptography.Cose/tests/CoseMessageTests.DecodeMultiSign.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -144,5 +144,131 @@ public void DecodeMultiSign_IndefiniteLengthArray_ShorterByOne(string hexCborPay
 CryptographicException ex = Assert.Throws<CryptographicException>(() => CoseMessage.DecodeMultiSign(cborPayload));
 Assert.Null(ex.InnerException);
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeaderIsMissing(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
 "0281182AA05840ECB8C39BE15156FB6567C33634C75396D7FE1042C84FE54B9C" +
 "EFA51E674C0CB227A8C08E558B6047668BBE3311749776670D1583A14B3A2DD8" +
 "7F63F0FA298452";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
 "029F182AFFA05840F62CB760AC27D393D88ED392D5D4D55A02B0BB75261E75FE" +
 "9B346C280DA6B93BE7F5B1B66B74561513EA52CAA2C66FE7474010035C678DA6" +
 "B3549D3E671166EB";

 const string DetachedDefiniteHex =
 "D8628440A0F6818347A201260281182AA05840F96CE3D0999F34BE0E3FC62AE2" +
 "AB25DD8D88F7154E6FADD5FFFEAF78F89DB97AC3E599ADB555C8442BD520F3F4" +
 "8CB6A320B864677E26D1FA79FEDD79C3BCA927";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818348A20126029F182AFFA0584028E95F7F9267CED0061339A7" +
 "6602D823774EDA3E8D53B0A4FA436B71B0DBCA6F03F561A67355374AF494648C" +
 "941558146F9C22B17542EBAF23497D27635A1829";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Critical Header '42' missing from protected map.");
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeadersIsEmpty(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818345A20126" +
 "0280A05840B5F9E21078643A74B181ED294AC72C71F20AC5CA7AD037F559C68E" +
 "06148429396A4194133763AB6918D747ACEE820CC430C2E891E3E2D5EECF6126" +
 "1CEA33C6D4";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818346A20126" +
 "029FFFA05840DDF3C0B85415AD1628C0B50C0F3FEDE675C1003484687CDFA3FA" +
 "09285D5A31D48ADF11744BE0AE87F0189408A9CF38F0572537E8A786D505B6A6" +
 "EE2008B91C74";

 const string DetachedDefiniteHex =
 "D8628440A0F6818345A201260280A05840EB66EE9E064CAB2E2F50244661734D" +
 "9AEBD959BD21278E8D4827870DFE10C27B52E3E21D29185FC64526DC3B80C108" +
 "548E956E9DBDDC7B23D100C17715AEE163";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818346A20126029FFFA05840FC954ABD1611F7C6EEDD7FE71C3F" +
 "62821AD46ED1988500F3309D0C607F0F151A69D0FC7BC968B2C36AEE68AC2B9A" +
 "9580DFE1244F6E5F834183497F21EA5900C1";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Critical Headers must be a CBOR array of at least one element.");
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeaderIsOfUnknownType(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
 "0281412AA05840FCAFEDBE41693C7BA43FB58E2CF06182BE1BF340122CC5AFD4" +
 "F59172C7E95166FF8E98FE9A0C2BEFEA135FD800DE6CA9A281D49B141CB93B17" +
 "D992E693540F8A";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
 "029F412AFFA058400D3F4426B26007D731677D99B542E524847FF3927BCA74E4" +
 "1823B09D6CA57A0E107F93DFE5DB851F4CEE8C0E4AF83E3540848F026FCD761F" +
 "91CA2ED8D5F98134";

 const string DetachedDefiniteHex =
 "D8628440A0F6818347A201260281412AA0584008E0EEF66622FEC926CB651E90" +
 "13D8628AB72581533761EDE52972FE6DFBF2C4BADB6C218E8AD1E28F8192DFB2" +
 "8A82A4444A74C370AEA6C63AC982EABCD52874";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818348A20126029F412AFFA05840C6DDCA2F35B7B285AB594963" +
 "E9DB43CBDC77842256A7D1D31704749C7446AD5A67BBC02F9DBAF8F394ECCCA7" +
 "8E8B63E5BB746F0205EE5732DFB2E00EBA3D5F48";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Header '2' does not accept the specified value.");
 }
 }
}
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
[automated] Merge branch 'release/8.0' => 'release/8.0-staging' by github-actions[bot] · Pull Request #124246 · dotnet/runtime · GitHub
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 Merged

rbhanda
merged 32 commits into

from

Feb 12, 2026
 Merged


[automated] Merge branch 'release/8.0' => 'release/8.0-staging'
#124246
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9a09d7b

Merge commit '9cccd83f8b7026dc0b5becb1714bac1499397665'

Nov 5, 2025
2f6e04b

Merge commit '283dede38f06421d05f205680629201b8f57acc4'

Nov 5, 2025
35123be

Merge commit '8dbea2724dde020db38d9137e70b7776f4386551'

Nov 11, 2025
3423649

Merge commit '0729d333794d0cf547fc4cd0ecd22d842d515eef'

Nov 26, 2025
06f15fd

Merge commit '891f8976f28fd6a55d2568bce0b8c2a583bd190f'

Nov 26, 2025
1c1ec94

Merge commit '34de5e17eb94e643aa3cc3af48cb77dc5ec7ac9a'

Dec 4, 2025
439bc75

Merge commit '103b56efcfd272e1e8e78edc6787c282848dfb05'

Dec 5, 2025
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Merge commit '56acca83b9d21995f9796254256e33c0f145aff2'

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c96cd11

Merge commit 'ac345324f04146714172ea78c5496bd979fc3dcf'

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42f3d19

Merge commit 'c9190610b22c83b8d56868bf01001601895a54e7'

Dec 22, 2025
d97033d

Merge commit 'b18624c4de9bde1f2ea6e23e38c68a271ed9966f'

Dec 25, 2025
c102bea

Update branding to 8.0.24 (#122887)


vseanreesermsft Jan 6, 2026
aaef8bb

Merge commit 'c102bea96ed4e07bb138c7815c7607ab56facdff'

Jan 6, 2026
2042eb2

Revert "[release/8.0] Update dependencies from dotnet/arcade" (#122943)


jozkee Jan 7, 2026
69107ea

Merge commit '2042eb2a56112539bf9e0b9538972fdd84e381a0'

Jan 7, 2026
9e1f70e

Fix the type of exception thrown when decoding bad headers


bartonjs Jan 8, 2026
cb6dd00

[release/8.0] Update dependencies from dotnet/emsdk (#122746)


dotnet-maestro[bot] Jan 13, 2026
39736b8

Merge commit 'cb6dd00c21d6d8a373efbc7f5b5088caab5d8e22'

Jan 13, 2026
be63b29

Merge commit 'c96cd11cb2f0c204f272b2280082a329aee24cf7' into internal…


vseanreesermsft Jan 13, 2026
a22f890

Merging internal commits for release/8.0 (#123150)


jeffhandley Jan 13, 2026
7e46fb9

Merge commit 'a22f8900be30f9d81cf1bee76a885e45c811c857'

Jan 13, 2026
fb7ac0f

[manual] Merge release/8.0-staging into release/8.0 (#123114)


jeffhandley Jan 13, 2026
da103bc

Merge commit 'fb7ac0ff0437c5405458a2a953d29a6aeb5e76f0'

Jan 13, 2026
b43df22

[release/8.0] Update dependencies from dotnet/emsdk (#123185)


dotnet-maestro[bot] Jan 20, 2026
b3b35ce

Merge commit 'b43df221a7854ae9b3c831a436c333ec9549bc5d'

Jan 20, 2026
38eebd9

[release/8.0] Change pool for evaluate-paths (#123462)


github-actions[bot] Jan 26, 2026
9345ccc

Update branding to 8.0.25 (#123896)


vseanreesermsft Feb 5, 2026
7a6845d

[release/8.0] Update dependencies from dotnet/emsdk (#123408)


dotnet-maestro[bot] Feb 5, 2026
7e53964

[release/8.0] Use correct name for AZL3 build image (#124179)


akoeplinger Feb 9, 2026
c7aa2e8

Merge commit 'b3b35ce80e9eb94f72c4aa36a171a5e1cde72ace' into internal…


vseanreesermsft Feb 10, 2026
e1139d2

Merging internal commits for release/8.0 (#124237)


wfurt Feb 10, 2026
079088e

Merge branch 'release/8.0-staging' into merge/release/8.0-to-release/…


jozkee Feb 12, 2026

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2 changes: 1 addition & 1 deletion
NuGet.config

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,7 @@
 <clear />
 <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
 <!-- Begin: Package sources from dotnet-emsdk -->
 <add key="darc-pub-dotnet-emsdk-3cbd998" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-3cbd998b/nuget/v3/index.json" />
 <add key="darc-pub-dotnet-emsdk-badf9f9" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-badf9f97/nuget/v3/index.json" />
 <!-- End: Package sources from dotnet-emsdk -->
 <!-- Begin: Package sources from dotnet-sdk -->
 <!-- End: Package sources from dotnet-sdk -->
Expand Down

8 changes: 4 additions & 4 deletions
eng/Version.Details.xml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -90,13 +90,13 @@
 <Sha>8bb0f2d5f3b6b9dff32e2643642bea09bf6ae38d</Sha>
 <SourceBuild RepoName="cecil" ManagedOnly="true" />
 </Dependency>
 <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.23">
 <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.25">
 <Uri>https://github.com/dotnet/emsdk</Uri>
 <Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
 <Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
 </Dependency>
 <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.23-servicing.25612.6">
 <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.25-servicing.26102.2">
 <Uri>https://github.com/dotnet/emsdk</Uri>
 <Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
 <Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
 <SourceBuild RepoName="emsdk" ManagedOnly="true" />
 </Dependency>
 <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="8.0.0-alpha.1.25615.3">
Expand Down

6 changes: 3 additions & 3 deletions
eng/Versions.props

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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,11 @@
<Project>
 <PropertyGroup>
 <!-- The .NET product branding version -->
 <ProductVersion>8.0.23</ProductVersion>
 <ProductVersion>8.0.25</ProductVersion>
 <!-- File version numbers -->
 <MajorVersion>8</MajorVersion>
 <MinorVersion>0</MinorVersion>
 <PatchVersion>23</PatchVersion>
 <PatchVersion>25</PatchVersion>
 <SdkBandVersion>8.0.100</SdkBandVersion>
 <PackageVersionNet7>7.0.20</PackageVersionNet7>
 <PackageVersionNet6>6.0.36</PackageVersionNet6>
Expand DownExpand Up@@ -254,7 +254,7 @@
 Note: when the name is updated, make sure to update dependency name in eng/pipelines/common/xplat-setup.yml
 like - DarcDependenciesChanged.Microsoft_NET_Workload_Emscripten_Current_Manifest-8_0_100_Transport
 -->
 <MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.23</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
 <MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.25</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
 <MicrosoftNETRuntimeEmscriptenVersion>$(MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version)</MicrosoftNETRuntimeEmscriptenVersion>
 <!-- workloads -->
 <SwixPackageVersion>1.1.87-gba258badda</SwixPackageVersion>
Expand Down

8 changes: 7 additions & 1 deletion
eng/pipelines/common/evaluate-paths-job.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -28,7 +28,13 @@ jobs:
 - job: evaluate_paths
 displayName: Evaluate Paths
 pool:
 vmImage: 'ubuntu-latest'
 ${{ if eq(variables['System.TeamProject'], 'public') }}:
 name: $(DncEngPublicBuildPool)
 demands: ImageOverride -equals build.azurelinux.3.amd64.open
 ${{ else }}:
 name: $(DncEngInternalBuildPool)
 demands: ImageOverride -equals build.azurelinux.3.amd64
 os: linux

 steps:
 - checkout: self
Expand Down

4 changes: 2 additions & 2 deletions
src/libraries/System.Security.Cryptography.Cose/src/System.Security.Cryptography.Cose.csproj

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Original file line numberDiff line numberDiff line change
Expand Up@@ -4,8 +4,8 @@
 <TargetFrameworks>$(NetCoreAppCurrent);$(NetCoreAppPrevious);$(NetCoreAppMinimum);netstandard2.0;$(NetFrameworkMinimum)</TargetFrameworks>
 <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
 <IsPackable>true</IsPackable>
 <ServicingVersion>1</ServicingVersion>
 <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
 <ServicingVersion>2</ServicingVersion>
 <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 <PackageDescription>Provides support for CBOR Object Signing and Encryption (COSE).</PackageDescription>
 </PropertyGroup>

Expand Down

56 changes: 47 additions & 9 deletions
...es/System.Security.Cryptography.Cose/src/System/Security/Cryptography/Cose/CoseMessage.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -295,20 +295,43 @@ private static void DecodeUnprotectedBucket(CborReader reader, CoseHeaderMap hea

 private static void DecodeBucket(CborReader reader, CoseHeaderMap headerParameters)
 {
 int? length = reader.ReadStartMap();
 for (int i = 0; i < length; i++)
 reader.ReadStartMap();

 while (true)
 {
 CoseHeaderLabel label = reader.PeekState() switch
 CborReaderState state = reader.PeekState();

 if (state == CborReaderState.EndMap)
 {
 reader.ReadEndMap();
 break;
 }

 CoseHeaderLabel label = state switch
 {
 CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
 CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
 _ => throw new CryptographicException(SR.Format(SR.DecodeErrorWhileDecoding, SR.DecodeSign1MapLabelWasIncorrect))
 };

 CoseHeaderValue value = CoseHeaderValue.FromEncodedValue(reader.ReadEncodedValue().Span);
 headerParameters.Add(label, value);

 try
 {
 headerParameters.Add(label, value);
 }
 catch (ArgumentException e)
 {
 // Lift the well-known header value validation into a CryptographicException.
 if (e.ParamName == "value")
 {
 throw new CryptographicException(e.Message);
 }

 Debug.Fail("Unexpected ArgumentException from CoseHeaderMap.Add");
 throw new CryptographicException(SR.DecodeErrorWhileDecodingSeeInnerEx, e);
 }
 }
 reader.ReadEndMap();
 }

 private static byte[]? DecodePayload(CborReader reader)
Expand DownExpand Up@@ -563,13 +586,23 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
 return false;
 }

 bool empty = true;

 var reader = new CborReader(critHeaderValue.EncodedValue);
 int length = reader.ReadStartArray().GetValueOrDefault();
 Debug.Assert(length > 0);
 reader.ReadStartArray();

for (int i = 0; i < length; i++)
while (true)
 {
 CoseHeaderLabel label = reader.PeekState() switch
 CborReaderState state = reader.PeekState();

 if (state == CborReaderState.EndArray)
 {
 reader.ReadEndArray();
 break;
 }

 empty = false;
 CoseHeaderLabel label = state switch
 {
 CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
 CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
Expand All@@ -583,6 +616,11 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
 }
 }

 if (empty)
 {
 throw new CryptographicException(SR.CriticalHeadersMustBeArrayOfAtLeastOne);
 }

 labelName = null;
 return false;
 }
Expand Down

126 changes: 126 additions & 0 deletions
src/libraries/System.Security.Cryptography.Cose/tests/CoseMessageTests.DecodeMultiSign.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -144,5 +144,131 @@ public void DecodeMultiSign_IndefiniteLengthArray_ShorterByOne(string hexCborPay
 CryptographicException ex = Assert.Throws<CryptographicException>(() => CoseMessage.DecodeMultiSign(cborPayload));
 Assert.Null(ex.InnerException);
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeaderIsMissing(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
 "0281182AA05840ECB8C39BE15156FB6567C33634C75396D7FE1042C84FE54B9C" +
 "EFA51E674C0CB227A8C08E558B6047668BBE3311749776670D1583A14B3A2DD8" +
 "7F63F0FA298452";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
 "029F182AFFA05840F62CB760AC27D393D88ED392D5D4D55A02B0BB75261E75FE" +
 "9B346C280DA6B93BE7F5B1B66B74561513EA52CAA2C66FE7474010035C678DA6" +
 "B3549D3E671166EB";

 const string DetachedDefiniteHex =
 "D8628440A0F6818347A201260281182AA05840F96CE3D0999F34BE0E3FC62AE2" +
 "AB25DD8D88F7154E6FADD5FFFEAF78F89DB97AC3E599ADB555C8442BD520F3F4" +
 "8CB6A320B864677E26D1FA79FEDD79C3BCA927";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818348A20126029F182AFFA0584028E95F7F9267CED0061339A7" +
 "6602D823774EDA3E8D53B0A4FA436B71B0DBCA6F03F561A67355374AF494648C" +
 "941558146F9C22B17542EBAF23497D27635A1829";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Critical Header '42' missing from protected map.");
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeadersIsEmpty(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818345A20126" +
 "0280A05840B5F9E21078643A74B181ED294AC72C71F20AC5CA7AD037F559C68E" +
 "06148429396A4194133763AB6918D747ACEE820CC430C2E891E3E2D5EECF6126" +
 "1CEA33C6D4";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818346A20126" +
 "029FFFA05840DDF3C0B85415AD1628C0B50C0F3FEDE675C1003484687CDFA3FA" +
 "09285D5A31D48ADF11744BE0AE87F0189408A9CF38F0572537E8A786D505B6A6" +
 "EE2008B91C74";

 const string DetachedDefiniteHex =
 "D8628440A0F6818345A201260280A05840EB66EE9E064CAB2E2F50244661734D" +
 "9AEBD959BD21278E8D4827870DFE10C27B52E3E21D29185FC64526DC3B80C108" +
 "548E956E9DBDDC7B23D100C17715AEE163";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818346A20126029FFFA05840FC954ABD1611F7C6EEDD7FE71C3F" +
 "62821AD46ED1988500F3309D0C607F0F151A69D0FC7BC968B2C36AEE68AC2B9A" +
 "9580DFE1244F6E5F834183497F21EA5900C1";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Critical Headers must be a CBOR array of at least one element.");
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeaderIsOfUnknownType(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
 "0281412AA05840FCAFEDBE41693C7BA43FB58E2CF06182BE1BF340122CC5AFD4" +
 "F59172C7E95166FF8E98FE9A0C2BEFEA135FD800DE6CA9A281D49B141CB93B17" +
 "D992E693540F8A";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
 "029F412AFFA058400D3F4426B26007D731677D99B542E524847FF3927BCA74E4" +
 "1823B09D6CA57A0E107F93DFE5DB851F4CEE8C0E4AF83E3540848F026FCD761F" +
 "91CA2ED8D5F98134";

 const string DetachedDefiniteHex =
 "D8628440A0F6818347A201260281412AA0584008E0EEF66622FEC926CB651E90" +
 "13D8628AB72581533761EDE52972FE6DFBF2C4BADB6C218E8AD1E28F8192DFB2" +
 "8A82A4444A74C370AEA6C63AC982EABCD52874";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818348A20126029F412AFFA05840C6DDCA2F35B7B285AB594963" +
 "E9DB43CBDC77842256A7D1D31704749C7446AD5A67BBC02F9DBAF8F394ECCCA7" +
 "8E8B63E5BB746F0205EE5732DFB2E00EBA3D5F48";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Header '2' does not accept the specified value.");
 }
 }
}
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if (btn && !btn.classList.contains('activated')) {
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[automated] Merge branch 'release/8.0' => 'release/8.0-staging' by github-actions[bot] · Pull Request #124246 · dotnet/runtime · GitHub
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 Merged

rbhanda
merged 32 commits into

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Feb 12, 2026
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[automated] Merge branch 'release/8.0' => 'release/8.0-staging'
#124246
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9a09d7b

Merge commit '9cccd83f8b7026dc0b5becb1714bac1499397665'

Nov 5, 2025
2f6e04b

Merge commit '283dede38f06421d05f205680629201b8f57acc4'

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35123be

Merge commit '8dbea2724dde020db38d9137e70b7776f4386551'

Nov 11, 2025
3423649

Merge commit '0729d333794d0cf547fc4cd0ecd22d842d515eef'

Nov 26, 2025
06f15fd

Merge commit '891f8976f28fd6a55d2568bce0b8c2a583bd190f'

Nov 26, 2025
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Merge commit '34de5e17eb94e643aa3cc3af48cb77dc5ec7ac9a'

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439bc75

Merge commit '103b56efcfd272e1e8e78edc6787c282848dfb05'

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d97033d

Merge commit 'b18624c4de9bde1f2ea6e23e38c68a271ed9966f'

Dec 25, 2025
c102bea

Update branding to 8.0.24 (#122887)


vseanreesermsft Jan 6, 2026
aaef8bb

Merge commit 'c102bea96ed4e07bb138c7815c7607ab56facdff'

Jan 6, 2026
2042eb2

Revert "[release/8.0] Update dependencies from dotnet/arcade" (#122943)


jozkee Jan 7, 2026
69107ea

Merge commit '2042eb2a56112539bf9e0b9538972fdd84e381a0'

Jan 7, 2026
9e1f70e

Fix the type of exception thrown when decoding bad headers


bartonjs Jan 8, 2026
cb6dd00

[release/8.0] Update dependencies from dotnet/emsdk (#122746)


dotnet-maestro[bot] Jan 13, 2026
39736b8

Merge commit 'cb6dd00c21d6d8a373efbc7f5b5088caab5d8e22'

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be63b29

Merge commit 'c96cd11cb2f0c204f272b2280082a329aee24cf7' into internal…


vseanreesermsft Jan 13, 2026
a22f890

Merging internal commits for release/8.0 (#123150)


jeffhandley Jan 13, 2026
7e46fb9

Merge commit 'a22f8900be30f9d81cf1bee76a885e45c811c857'

Jan 13, 2026
fb7ac0f

[manual] Merge release/8.0-staging into release/8.0 (#123114)


jeffhandley Jan 13, 2026
da103bc

Merge commit 'fb7ac0ff0437c5405458a2a953d29a6aeb5e76f0'

Jan 13, 2026
b43df22

[release/8.0] Update dependencies from dotnet/emsdk (#123185)


dotnet-maestro[bot] Jan 20, 2026
b3b35ce

Merge commit 'b43df221a7854ae9b3c831a436c333ec9549bc5d'

Jan 20, 2026
38eebd9

[release/8.0] Change pool for evaluate-paths (#123462)


github-actions[bot] Jan 26, 2026
9345ccc

Update branding to 8.0.25 (#123896)


vseanreesermsft Feb 5, 2026
7a6845d

[release/8.0] Update dependencies from dotnet/emsdk (#123408)


dotnet-maestro[bot] Feb 5, 2026
7e53964

[release/8.0] Use correct name for AZL3 build image (#124179)


akoeplinger Feb 9, 2026
c7aa2e8

Merge commit 'b3b35ce80e9eb94f72c4aa36a171a5e1cde72ace' into internal…


vseanreesermsft Feb 10, 2026
e1139d2

Merging internal commits for release/8.0 (#124237)


wfurt Feb 10, 2026
079088e

Merge branch 'release/8.0-staging' into merge/release/8.0-to-release/…


jozkee Feb 12, 2026

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2 changes: 1 addition & 1 deletion
NuGet.config

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,7 @@
 <clear />
 <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
 <!-- Begin: Package sources from dotnet-emsdk -->
 <add key="darc-pub-dotnet-emsdk-3cbd998" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-3cbd998b/nuget/v3/index.json" />
 <add key="darc-pub-dotnet-emsdk-badf9f9" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-badf9f97/nuget/v3/index.json" />
 <!-- End: Package sources from dotnet-emsdk -->
 <!-- Begin: Package sources from dotnet-sdk -->
 <!-- End: Package sources from dotnet-sdk -->
Expand Down

8 changes: 4 additions & 4 deletions
eng/Version.Details.xml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -90,13 +90,13 @@
 <Sha>8bb0f2d5f3b6b9dff32e2643642bea09bf6ae38d</Sha>
 <SourceBuild RepoName="cecil" ManagedOnly="true" />
 </Dependency>
 <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.23">
 <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.25">
 <Uri>https://github.com/dotnet/emsdk</Uri>
 <Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
 <Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
 </Dependency>
 <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.23-servicing.25612.6">
 <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.25-servicing.26102.2">
 <Uri>https://github.com/dotnet/emsdk</Uri>
 <Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
 <Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
 <SourceBuild RepoName="emsdk" ManagedOnly="true" />
 </Dependency>
 <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="8.0.0-alpha.1.25615.3">
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6 changes: 3 additions & 3 deletions
eng/Versions.props

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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,11 @@
<Project>
 <PropertyGroup>
 <!-- The .NET product branding version -->
 <ProductVersion>8.0.23</ProductVersion>
 <ProductVersion>8.0.25</ProductVersion>
 <!-- File version numbers -->
 <MajorVersion>8</MajorVersion>
 <MinorVersion>0</MinorVersion>
 <PatchVersion>23</PatchVersion>
 <PatchVersion>25</PatchVersion>
 <SdkBandVersion>8.0.100</SdkBandVersion>
 <PackageVersionNet7>7.0.20</PackageVersionNet7>
 <PackageVersionNet6>6.0.36</PackageVersionNet6>
Expand DownExpand Up@@ -254,7 +254,7 @@
 Note: when the name is updated, make sure to update dependency name in eng/pipelines/common/xplat-setup.yml
 like - DarcDependenciesChanged.Microsoft_NET_Workload_Emscripten_Current_Manifest-8_0_100_Transport
 -->
 <MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.23</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
 <MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.25</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
 <MicrosoftNETRuntimeEmscriptenVersion>$(MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version)</MicrosoftNETRuntimeEmscriptenVersion>
 <!-- workloads -->
 <SwixPackageVersion>1.1.87-gba258badda</SwixPackageVersion>
Expand Down

8 changes: 7 additions & 1 deletion
eng/pipelines/common/evaluate-paths-job.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -28,7 +28,13 @@ jobs:
 - job: evaluate_paths
 displayName: Evaluate Paths
 pool:
 vmImage: 'ubuntu-latest'
 ${{ if eq(variables['System.TeamProject'], 'public') }}:
 name: $(DncEngPublicBuildPool)
 demands: ImageOverride -equals build.azurelinux.3.amd64.open
 ${{ else }}:
 name: $(DncEngInternalBuildPool)
 demands: ImageOverride -equals build.azurelinux.3.amd64
 os: linux

 steps:
 - checkout: self
Expand Down

4 changes: 2 additions & 2 deletions
src/libraries/System.Security.Cryptography.Cose/src/System.Security.Cryptography.Cose.csproj

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Original file line numberDiff line numberDiff line change
Expand Up@@ -4,8 +4,8 @@
 <TargetFrameworks>$(NetCoreAppCurrent);$(NetCoreAppPrevious);$(NetCoreAppMinimum);netstandard2.0;$(NetFrameworkMinimum)</TargetFrameworks>
 <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
 <IsPackable>true</IsPackable>
 <ServicingVersion>1</ServicingVersion>
 <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
 <ServicingVersion>2</ServicingVersion>
 <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 <PackageDescription>Provides support for CBOR Object Signing and Encryption (COSE).</PackageDescription>
 </PropertyGroup>

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56 changes: 47 additions & 9 deletions
...es/System.Security.Cryptography.Cose/src/System/Security/Cryptography/Cose/CoseMessage.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -295,20 +295,43 @@ private static void DecodeUnprotectedBucket(CborReader reader, CoseHeaderMap hea

 private static void DecodeBucket(CborReader reader, CoseHeaderMap headerParameters)
 {
 int? length = reader.ReadStartMap();
 for (int i = 0; i < length; i++)
 reader.ReadStartMap();

 while (true)
 {
 CoseHeaderLabel label = reader.PeekState() switch
 CborReaderState state = reader.PeekState();

 if (state == CborReaderState.EndMap)
 {
 reader.ReadEndMap();
 break;
 }

 CoseHeaderLabel label = state switch
 {
 CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
 CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
 _ => throw new CryptographicException(SR.Format(SR.DecodeErrorWhileDecoding, SR.DecodeSign1MapLabelWasIncorrect))
 };

 CoseHeaderValue value = CoseHeaderValue.FromEncodedValue(reader.ReadEncodedValue().Span);
 headerParameters.Add(label, value);

 try
 {
 headerParameters.Add(label, value);
 }
 catch (ArgumentException e)
 {
 // Lift the well-known header value validation into a CryptographicException.
 if (e.ParamName == "value")
 {
 throw new CryptographicException(e.Message);
 }

 Debug.Fail("Unexpected ArgumentException from CoseHeaderMap.Add");
 throw new CryptographicException(SR.DecodeErrorWhileDecodingSeeInnerEx, e);
 }
 }
 reader.ReadEndMap();
 }

 private static byte[]? DecodePayload(CborReader reader)
Expand DownExpand Up@@ -563,13 +586,23 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
 return false;
 }

 bool empty = true;

 var reader = new CborReader(critHeaderValue.EncodedValue);
 int length = reader.ReadStartArray().GetValueOrDefault();
 Debug.Assert(length > 0);
 reader.ReadStartArray();

for (int i = 0; i < length; i++)
while (true)
 {
 CoseHeaderLabel label = reader.PeekState() switch
 CborReaderState state = reader.PeekState();

 if (state == CborReaderState.EndArray)
 {
 reader.ReadEndArray();
 break;
 }

 empty = false;
 CoseHeaderLabel label = state switch
 {
 CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
 CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
Expand All@@ -583,6 +616,11 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
 }
 }

 if (empty)
 {
 throw new CryptographicException(SR.CriticalHeadersMustBeArrayOfAtLeastOne);
 }

 labelName = null;
 return false;
 }
Expand Down

126 changes: 126 additions & 0 deletions
src/libraries/System.Security.Cryptography.Cose/tests/CoseMessageTests.DecodeMultiSign.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -144,5 +144,131 @@ public void DecodeMultiSign_IndefiniteLengthArray_ShorterByOne(string hexCborPay
 CryptographicException ex = Assert.Throws<CryptographicException>(() => CoseMessage.DecodeMultiSign(cborPayload));
 Assert.Null(ex.InnerException);
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeaderIsMissing(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
 "0281182AA05840ECB8C39BE15156FB6567C33634C75396D7FE1042C84FE54B9C" +
 "EFA51E674C0CB227A8C08E558B6047668BBE3311749776670D1583A14B3A2DD8" +
 "7F63F0FA298452";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
 "029F182AFFA05840F62CB760AC27D393D88ED392D5D4D55A02B0BB75261E75FE" +
 "9B346C280DA6B93BE7F5B1B66B74561513EA52CAA2C66FE7474010035C678DA6" +
 "B3549D3E671166EB";

 const string DetachedDefiniteHex =
 "D8628440A0F6818347A201260281182AA05840F96CE3D0999F34BE0E3FC62AE2" +
 "AB25DD8D88F7154E6FADD5FFFEAF78F89DB97AC3E599ADB555C8442BD520F3F4" +
 "8CB6A320B864677E26D1FA79FEDD79C3BCA927";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818348A20126029F182AFFA0584028E95F7F9267CED0061339A7" +
 "6602D823774EDA3E8D53B0A4FA436B71B0DBCA6F03F561A67355374AF494648C" +
 "941558146F9C22B17542EBAF23497D27635A1829";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Critical Header '42' missing from protected map.");
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeadersIsEmpty(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818345A20126" +
 "0280A05840B5F9E21078643A74B181ED294AC72C71F20AC5CA7AD037F559C68E" +
 "06148429396A4194133763AB6918D747ACEE820CC430C2E891E3E2D5EECF6126" +
 "1CEA33C6D4";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818346A20126" +
 "029FFFA05840DDF3C0B85415AD1628C0B50C0F3FEDE675C1003484687CDFA3FA" +
 "09285D5A31D48ADF11744BE0AE87F0189408A9CF38F0572537E8A786D505B6A6" +
 "EE2008B91C74";

 const string DetachedDefiniteHex =
 "D8628440A0F6818345A201260280A05840EB66EE9E064CAB2E2F50244661734D" +
 "9AEBD959BD21278E8D4827870DFE10C27B52E3E21D29185FC64526DC3B80C108" +
 "548E956E9DBDDC7B23D100C17715AEE163";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818346A20126029FFFA05840FC954ABD1611F7C6EEDD7FE71C3F" +
 "62821AD46ED1988500F3309D0C607F0F151A69D0FC7BC968B2C36AEE68AC2B9A" +
 "9580DFE1244F6E5F834183497F21EA5900C1";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Critical Headers must be a CBOR array of at least one element.");
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeaderIsOfUnknownType(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
 "0281412AA05840FCAFEDBE41693C7BA43FB58E2CF06182BE1BF340122CC5AFD4" +
 "F59172C7E95166FF8E98FE9A0C2BEFEA135FD800DE6CA9A281D49B141CB93B17" +
 "D992E693540F8A";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
 "029F412AFFA058400D3F4426B26007D731677D99B542E524847FF3927BCA74E4" +
 "1823B09D6CA57A0E107F93DFE5DB851F4CEE8C0E4AF83E3540848F026FCD761F" +
 "91CA2ED8D5F98134";

 const string DetachedDefiniteHex =
 "D8628440A0F6818347A201260281412AA0584008E0EEF66622FEC926CB651E90" +
 "13D8628AB72581533761EDE52972FE6DFBF2C4BADB6C218E8AD1E28F8192DFB2" +
 "8A82A4444A74C370AEA6C63AC982EABCD52874";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818348A20126029F412AFFA05840C6DDCA2F35B7B285AB594963" +
 "E9DB43CBDC77842256A7D1D31704749C7446AD5A67BBC02F9DBAF8F394ECCCA7" +
 "8E8B63E5BB746F0205EE5732DFB2E00EBA3D5F48";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Header '2' does not accept the specified value.");
 }
 }
}
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[automated] Merge branch 'release/8.0' => 'release/8.0-staging' by github-actions[bot] · Pull Request #124246 · dotnet/runtime · GitHub
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 Merged

rbhanda
merged 32 commits into

from

Feb 12, 2026
 Merged


[automated] Merge branch 'release/8.0' => 'release/8.0-staging'
#124246
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9a09d7b

Merge commit '9cccd83f8b7026dc0b5becb1714bac1499397665'

Nov 5, 2025
2f6e04b

Merge commit '283dede38f06421d05f205680629201b8f57acc4'

Nov 5, 2025
35123be

Merge commit '8dbea2724dde020db38d9137e70b7776f4386551'

Nov 11, 2025
3423649

Merge commit '0729d333794d0cf547fc4cd0ecd22d842d515eef'

Nov 26, 2025
06f15fd

Merge commit '891f8976f28fd6a55d2568bce0b8c2a583bd190f'

Nov 26, 2025
1c1ec94

Merge commit '34de5e17eb94e643aa3cc3af48cb77dc5ec7ac9a'

Dec 4, 2025
439bc75

Merge commit '103b56efcfd272e1e8e78edc6787c282848dfb05'

Dec 5, 2025
82336dd

Merge commit '56acca83b9d21995f9796254256e33c0f145aff2'

Dec 5, 2025
c96cd11

Merge commit 'ac345324f04146714172ea78c5496bd979fc3dcf'

Dec 6, 2025
42f3d19

Merge commit 'c9190610b22c83b8d56868bf01001601895a54e7'

Dec 22, 2025
d97033d

Merge commit 'b18624c4de9bde1f2ea6e23e38c68a271ed9966f'

Dec 25, 2025
c102bea

Update branding to 8.0.24 (#122887)


vseanreesermsft Jan 6, 2026
aaef8bb

Merge commit 'c102bea96ed4e07bb138c7815c7607ab56facdff'

Jan 6, 2026
2042eb2

Revert "[release/8.0] Update dependencies from dotnet/arcade" (#122943)


jozkee Jan 7, 2026
69107ea

Merge commit '2042eb2a56112539bf9e0b9538972fdd84e381a0'

Jan 7, 2026
9e1f70e

Fix the type of exception thrown when decoding bad headers


bartonjs Jan 8, 2026
cb6dd00

[release/8.0] Update dependencies from dotnet/emsdk (#122746)


dotnet-maestro[bot] Jan 13, 2026
39736b8

Merge commit 'cb6dd00c21d6d8a373efbc7f5b5088caab5d8e22'

Jan 13, 2026
be63b29

Merge commit 'c96cd11cb2f0c204f272b2280082a329aee24cf7' into internal…


vseanreesermsft Jan 13, 2026
a22f890

Merging internal commits for release/8.0 (#123150)


jeffhandley Jan 13, 2026
7e46fb9

Merge commit 'a22f8900be30f9d81cf1bee76a885e45c811c857'

Jan 13, 2026
fb7ac0f

[manual] Merge release/8.0-staging into release/8.0 (#123114)


jeffhandley Jan 13, 2026
da103bc

Merge commit 'fb7ac0ff0437c5405458a2a953d29a6aeb5e76f0'

Jan 13, 2026
b43df22

[release/8.0] Update dependencies from dotnet/emsdk (#123185)


dotnet-maestro[bot] Jan 20, 2026
b3b35ce

Merge commit 'b43df221a7854ae9b3c831a436c333ec9549bc5d'

Jan 20, 2026
38eebd9

[release/8.0] Change pool for evaluate-paths (#123462)


github-actions[bot] Jan 26, 2026
9345ccc

Update branding to 8.0.25 (#123896)


vseanreesermsft Feb 5, 2026
7a6845d

[release/8.0] Update dependencies from dotnet/emsdk (#123408)


dotnet-maestro[bot] Feb 5, 2026
7e53964

[release/8.0] Use correct name for AZL3 build image (#124179)


akoeplinger Feb 9, 2026
c7aa2e8

Merge commit 'b3b35ce80e9eb94f72c4aa36a171a5e1cde72ace' into internal…


vseanreesermsft Feb 10, 2026
e1139d2

Merging internal commits for release/8.0 (#124237)


wfurt Feb 10, 2026
079088e

Merge branch 'release/8.0-staging' into merge/release/8.0-to-release/…


jozkee Feb 12, 2026

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2 changes: 1 addition & 1 deletion
NuGet.config

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,7 @@
 <clear />
 <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
 <!-- Begin: Package sources from dotnet-emsdk -->
 <add key="darc-pub-dotnet-emsdk-3cbd998" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-3cbd998b/nuget/v3/index.json" />
 <add key="darc-pub-dotnet-emsdk-badf9f9" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-badf9f97/nuget/v3/index.json" />
 <!-- End: Package sources from dotnet-emsdk -->
 <!-- Begin: Package sources from dotnet-sdk -->
 <!-- End: Package sources from dotnet-sdk -->
Expand Down

8 changes: 4 additions & 4 deletions
eng/Version.Details.xml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -90,13 +90,13 @@
 <Sha>8bb0f2d5f3b6b9dff32e2643642bea09bf6ae38d</Sha>
 <SourceBuild RepoName="cecil" ManagedOnly="true" />
 </Dependency>
 <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.23">
 <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.25">
 <Uri>https://github.com/dotnet/emsdk</Uri>
 <Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
 <Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
 </Dependency>
 <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.23-servicing.25612.6">
 <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.25-servicing.26102.2">
 <Uri>https://github.com/dotnet/emsdk</Uri>
 <Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
 <Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
 <SourceBuild RepoName="emsdk" ManagedOnly="true" />
 </Dependency>
 <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="8.0.0-alpha.1.25615.3">
Expand Down

6 changes: 3 additions & 3 deletions
eng/Versions.props

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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,11 @@
<Project>
 <PropertyGroup>
 <!-- The .NET product branding version -->
 <ProductVersion>8.0.23</ProductVersion>
 <ProductVersion>8.0.25</ProductVersion>
 <!-- File version numbers -->
 <MajorVersion>8</MajorVersion>
 <MinorVersion>0</MinorVersion>
 <PatchVersion>23</PatchVersion>
 <PatchVersion>25</PatchVersion>
 <SdkBandVersion>8.0.100</SdkBandVersion>
 <PackageVersionNet7>7.0.20</PackageVersionNet7>
 <PackageVersionNet6>6.0.36</PackageVersionNet6>
Expand DownExpand Up@@ -254,7 +254,7 @@
 Note: when the name is updated, make sure to update dependency name in eng/pipelines/common/xplat-setup.yml
 like - DarcDependenciesChanged.Microsoft_NET_Workload_Emscripten_Current_Manifest-8_0_100_Transport
 -->
 <MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.23</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
 <MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.25</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
 <MicrosoftNETRuntimeEmscriptenVersion>$(MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version)</MicrosoftNETRuntimeEmscriptenVersion>
 <!-- workloads -->
 <SwixPackageVersion>1.1.87-gba258badda</SwixPackageVersion>
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8 changes: 7 additions & 1 deletion
eng/pipelines/common/evaluate-paths-job.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -28,7 +28,13 @@ jobs:
 - job: evaluate_paths
 displayName: Evaluate Paths
 pool:
 vmImage: 'ubuntu-latest'
 ${{ if eq(variables['System.TeamProject'], 'public') }}:
 name: $(DncEngPublicBuildPool)
 demands: ImageOverride -equals build.azurelinux.3.amd64.open
 ${{ else }}:
 name: $(DncEngInternalBuildPool)
 demands: ImageOverride -equals build.azurelinux.3.amd64
 os: linux

 steps:
 - checkout: self
Expand Down

4 changes: 2 additions & 2 deletions
src/libraries/System.Security.Cryptography.Cose/src/System.Security.Cryptography.Cose.csproj

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Original file line numberDiff line numberDiff line change
Expand Up@@ -4,8 +4,8 @@
 <TargetFrameworks>$(NetCoreAppCurrent);$(NetCoreAppPrevious);$(NetCoreAppMinimum);netstandard2.0;$(NetFrameworkMinimum)</TargetFrameworks>
 <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
 <IsPackable>true</IsPackable>
 <ServicingVersion>1</ServicingVersion>
 <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
 <ServicingVersion>2</ServicingVersion>
 <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 <PackageDescription>Provides support for CBOR Object Signing and Encryption (COSE).</PackageDescription>
 </PropertyGroup>

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56 changes: 47 additions & 9 deletions
...es/System.Security.Cryptography.Cose/src/System/Security/Cryptography/Cose/CoseMessage.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -295,20 +295,43 @@ private static void DecodeUnprotectedBucket(CborReader reader, CoseHeaderMap hea

 private static void DecodeBucket(CborReader reader, CoseHeaderMap headerParameters)
 {
 int? length = reader.ReadStartMap();
 for (int i = 0; i < length; i++)
 reader.ReadStartMap();

 while (true)
 {
 CoseHeaderLabel label = reader.PeekState() switch
 CborReaderState state = reader.PeekState();

 if (state == CborReaderState.EndMap)
 {
 reader.ReadEndMap();
 break;
 }

 CoseHeaderLabel label = state switch
 {
 CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
 CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
 _ => throw new CryptographicException(SR.Format(SR.DecodeErrorWhileDecoding, SR.DecodeSign1MapLabelWasIncorrect))
 };

 CoseHeaderValue value = CoseHeaderValue.FromEncodedValue(reader.ReadEncodedValue().Span);
 headerParameters.Add(label, value);

 try
 {
 headerParameters.Add(label, value);
 }
 catch (ArgumentException e)
 {
 // Lift the well-known header value validation into a CryptographicException.
 if (e.ParamName == "value")
 {
 throw new CryptographicException(e.Message);
 }

 Debug.Fail("Unexpected ArgumentException from CoseHeaderMap.Add");
 throw new CryptographicException(SR.DecodeErrorWhileDecodingSeeInnerEx, e);
 }
 }
 reader.ReadEndMap();
 }

 private static byte[]? DecodePayload(CborReader reader)
Expand DownExpand Up@@ -563,13 +586,23 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
 return false;
 }

 bool empty = true;

 var reader = new CborReader(critHeaderValue.EncodedValue);
 int length = reader.ReadStartArray().GetValueOrDefault();
 Debug.Assert(length > 0);
 reader.ReadStartArray();

for (int i = 0; i < length; i++)
while (true)
 {
 CoseHeaderLabel label = reader.PeekState() switch
 CborReaderState state = reader.PeekState();

 if (state == CborReaderState.EndArray)
 {
 reader.ReadEndArray();
 break;
 }

 empty = false;
 CoseHeaderLabel label = state switch
 {
 CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
 CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
Expand All@@ -583,6 +616,11 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
 }
 }

 if (empty)
 {
 throw new CryptographicException(SR.CriticalHeadersMustBeArrayOfAtLeastOne);
 }

 labelName = null;
 return false;
 }
Expand Down

126 changes: 126 additions & 0 deletions
src/libraries/System.Security.Cryptography.Cose/tests/CoseMessageTests.DecodeMultiSign.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -144,5 +144,131 @@ public void DecodeMultiSign_IndefiniteLengthArray_ShorterByOne(string hexCborPay
 CryptographicException ex = Assert.Throws<CryptographicException>(() => CoseMessage.DecodeMultiSign(cborPayload));
 Assert.Null(ex.InnerException);
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeaderIsMissing(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
 "0281182AA05840ECB8C39BE15156FB6567C33634C75396D7FE1042C84FE54B9C" +
 "EFA51E674C0CB227A8C08E558B6047668BBE3311749776670D1583A14B3A2DD8" +
 "7F63F0FA298452";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
 "029F182AFFA05840F62CB760AC27D393D88ED392D5D4D55A02B0BB75261E75FE" +
 "9B346C280DA6B93BE7F5B1B66B74561513EA52CAA2C66FE7474010035C678DA6" +
 "B3549D3E671166EB";

 const string DetachedDefiniteHex =
 "D8628440A0F6818347A201260281182AA05840F96CE3D0999F34BE0E3FC62AE2" +
 "AB25DD8D88F7154E6FADD5FFFEAF78F89DB97AC3E599ADB555C8442BD520F3F4" +
 "8CB6A320B864677E26D1FA79FEDD79C3BCA927";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818348A20126029F182AFFA0584028E95F7F9267CED0061339A7" +
 "6602D823774EDA3E8D53B0A4FA436B71B0DBCA6F03F561A67355374AF494648C" +
 "941558146F9C22B17542EBAF23497D27635A1829";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Critical Header '42' missing from protected map.");
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeadersIsEmpty(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818345A20126" +
 "0280A05840B5F9E21078643A74B181ED294AC72C71F20AC5CA7AD037F559C68E" +
 "06148429396A4194133763AB6918D747ACEE820CC430C2E891E3E2D5EECF6126" +
 "1CEA33C6D4";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818346A20126" +
 "029FFFA05840DDF3C0B85415AD1628C0B50C0F3FEDE675C1003484687CDFA3FA" +
 "09285D5A31D48ADF11744BE0AE87F0189408A9CF38F0572537E8A786D505B6A6" +
 "EE2008B91C74";

 const string DetachedDefiniteHex =
 "D8628440A0F6818345A201260280A05840EB66EE9E064CAB2E2F50244661734D" +
 "9AEBD959BD21278E8D4827870DFE10C27B52E3E21D29185FC64526DC3B80C108" +
 "548E956E9DBDDC7B23D100C17715AEE163";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818346A20126029FFFA05840FC954ABD1611F7C6EEDD7FE71C3F" +
 "62821AD46ED1988500F3309D0C607F0F151A69D0FC7BC968B2C36AEE68AC2B9A" +
 "9580DFE1244F6E5F834183497F21EA5900C1";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Critical Headers must be a CBOR array of at least one element.");
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeaderIsOfUnknownType(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
 "0281412AA05840FCAFEDBE41693C7BA43FB58E2CF06182BE1BF340122CC5AFD4" +
 "F59172C7E95166FF8E98FE9A0C2BEFEA135FD800DE6CA9A281D49B141CB93B17" +
 "D992E693540F8A";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
 "029F412AFFA058400D3F4426B26007D731677D99B542E524847FF3927BCA74E4" +
 "1823B09D6CA57A0E107F93DFE5DB851F4CEE8C0E4AF83E3540848F026FCD761F" +
 "91CA2ED8D5F98134";

 const string DetachedDefiniteHex =
 "D8628440A0F6818347A201260281412AA0584008E0EEF66622FEC926CB651E90" +
 "13D8628AB72581533761EDE52972FE6DFBF2C4BADB6C218E8AD1E28F8192DFB2" +
 "8A82A4444A74C370AEA6C63AC982EABCD52874";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818348A20126029F412AFFA05840C6DDCA2F35B7B285AB594963" +
 "E9DB43CBDC77842256A7D1D31704749C7446AD5A67BBC02F9DBAF8F394ECCCA7" +
 "8E8B63E5BB746F0205EE5732DFB2E00EBA3D5F48";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Header '2' does not accept the specified value.");
 }
 }
}
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var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
[automated] Merge branch 'release/8.0' => 'release/8.0-staging' by github-actions[bot] · Pull Request #124246 · dotnet/runtime · GitHub
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 Merged

rbhanda
merged 32 commits into

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Feb 12, 2026
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[automated] Merge branch 'release/8.0' => 'release/8.0-staging'
#124246
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9a09d7b

Merge commit '9cccd83f8b7026dc0b5becb1714bac1499397665'

Nov 5, 2025
2f6e04b

Merge commit '283dede38f06421d05f205680629201b8f57acc4'

Nov 5, 2025
35123be

Merge commit '8dbea2724dde020db38d9137e70b7776f4386551'

Nov 11, 2025
3423649

Merge commit '0729d333794d0cf547fc4cd0ecd22d842d515eef'

Nov 26, 2025
06f15fd

Merge commit '891f8976f28fd6a55d2568bce0b8c2a583bd190f'

Nov 26, 2025
1c1ec94

Merge commit '34de5e17eb94e643aa3cc3af48cb77dc5ec7ac9a'

Dec 4, 2025
439bc75

Merge commit '103b56efcfd272e1e8e78edc6787c282848dfb05'

Dec 5, 2025
82336dd

Merge commit '56acca83b9d21995f9796254256e33c0f145aff2'

Dec 5, 2025
c96cd11

Merge commit 'ac345324f04146714172ea78c5496bd979fc3dcf'

Dec 6, 2025
42f3d19

Merge commit 'c9190610b22c83b8d56868bf01001601895a54e7'

Dec 22, 2025
d97033d

Merge commit 'b18624c4de9bde1f2ea6e23e38c68a271ed9966f'

Dec 25, 2025
c102bea

Update branding to 8.0.24 (#122887)


vseanreesermsft Jan 6, 2026
aaef8bb

Merge commit 'c102bea96ed4e07bb138c7815c7607ab56facdff'

Jan 6, 2026
2042eb2

Revert "[release/8.0] Update dependencies from dotnet/arcade" (#122943)


jozkee Jan 7, 2026
69107ea

Merge commit '2042eb2a56112539bf9e0b9538972fdd84e381a0'

Jan 7, 2026
9e1f70e

Fix the type of exception thrown when decoding bad headers


bartonjs Jan 8, 2026
cb6dd00

[release/8.0] Update dependencies from dotnet/emsdk (#122746)


dotnet-maestro[bot] Jan 13, 2026
39736b8

Merge commit 'cb6dd00c21d6d8a373efbc7f5b5088caab5d8e22'

Jan 13, 2026
be63b29

Merge commit 'c96cd11cb2f0c204f272b2280082a329aee24cf7' into internal…


vseanreesermsft Jan 13, 2026
a22f890

Merging internal commits for release/8.0 (#123150)


jeffhandley Jan 13, 2026
7e46fb9

Merge commit 'a22f8900be30f9d81cf1bee76a885e45c811c857'

Jan 13, 2026
fb7ac0f

[manual] Merge release/8.0-staging into release/8.0 (#123114)


jeffhandley Jan 13, 2026
da103bc

Merge commit 'fb7ac0ff0437c5405458a2a953d29a6aeb5e76f0'

Jan 13, 2026
b43df22

[release/8.0] Update dependencies from dotnet/emsdk (#123185)


dotnet-maestro[bot] Jan 20, 2026
b3b35ce

Merge commit 'b43df221a7854ae9b3c831a436c333ec9549bc5d'

Jan 20, 2026
38eebd9

[release/8.0] Change pool for evaluate-paths (#123462)


github-actions[bot] Jan 26, 2026
9345ccc

Update branding to 8.0.25 (#123896)


vseanreesermsft Feb 5, 2026
7a6845d

[release/8.0] Update dependencies from dotnet/emsdk (#123408)


dotnet-maestro[bot] Feb 5, 2026
7e53964

[release/8.0] Use correct name for AZL3 build image (#124179)


akoeplinger Feb 9, 2026
c7aa2e8

Merge commit 'b3b35ce80e9eb94f72c4aa36a171a5e1cde72ace' into internal…


vseanreesermsft Feb 10, 2026
e1139d2

Merging internal commits for release/8.0 (#124237)


wfurt Feb 10, 2026
079088e

Merge branch 'release/8.0-staging' into merge/release/8.0-to-release/…


jozkee Feb 12, 2026

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2 changes: 1 addition & 1 deletion
NuGet.config

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,7 @@
 <clear />
 <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
 <!-- Begin: Package sources from dotnet-emsdk -->
 <add key="darc-pub-dotnet-emsdk-3cbd998" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-3cbd998b/nuget/v3/index.json" />
 <add key="darc-pub-dotnet-emsdk-badf9f9" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-badf9f97/nuget/v3/index.json" />
 <!-- End: Package sources from dotnet-emsdk -->
 <!-- Begin: Package sources from dotnet-sdk -->
 <!-- End: Package sources from dotnet-sdk -->
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8 changes: 4 additions & 4 deletions
eng/Version.Details.xml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -90,13 +90,13 @@
 <Sha>8bb0f2d5f3b6b9dff32e2643642bea09bf6ae38d</Sha>
 <SourceBuild RepoName="cecil" ManagedOnly="true" />
 </Dependency>
 <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.23">
 <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100" Version="8.0.25">
 <Uri>https://github.com/dotnet/emsdk</Uri>
 <Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
 <Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
 </Dependency>
 <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.23-servicing.25612.6">
 <Dependency Name="Microsoft.SourceBuild.Intermediate.emsdk" Version="8.0.25-servicing.26102.2">
 <Uri>https://github.com/dotnet/emsdk</Uri>
 <Sha>3cbd998b237cdde910fd4c4964207a87dd04c837</Sha>
 <Sha>badf9f97aaf4c2166b17bd6475ca73958c11e309</Sha>
 <SourceBuild RepoName="emsdk" ManagedOnly="true" />
 </Dependency>
 <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="8.0.0-alpha.1.25615.3">
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6 changes: 3 additions & 3 deletions
eng/Versions.props

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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,11 @@
<Project>
 <PropertyGroup>
 <!-- The .NET product branding version -->
 <ProductVersion>8.0.23</ProductVersion>
 <ProductVersion>8.0.25</ProductVersion>
 <!-- File version numbers -->
 <MajorVersion>8</MajorVersion>
 <MinorVersion>0</MinorVersion>
 <PatchVersion>23</PatchVersion>
 <PatchVersion>25</PatchVersion>
 <SdkBandVersion>8.0.100</SdkBandVersion>
 <PackageVersionNet7>7.0.20</PackageVersionNet7>
 <PackageVersionNet6>6.0.36</PackageVersionNet6>
Expand DownExpand Up@@ -254,7 +254,7 @@
 Note: when the name is updated, make sure to update dependency name in eng/pipelines/common/xplat-setup.yml
 like - DarcDependenciesChanged.Microsoft_NET_Workload_Emscripten_Current_Manifest-8_0_100_Transport
 -->
 <MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.23</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
 <MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>8.0.25</MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version>
 <MicrosoftNETRuntimeEmscriptenVersion>$(MicrosoftNETWorkloadEmscriptenCurrentManifest80100Version)</MicrosoftNETRuntimeEmscriptenVersion>
 <!-- workloads -->
 <SwixPackageVersion>1.1.87-gba258badda</SwixPackageVersion>
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8 changes: 7 additions & 1 deletion
eng/pipelines/common/evaluate-paths-job.yml

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Original file line numberDiff line numberDiff line change
Expand Up@@ -28,7 +28,13 @@ jobs:
 - job: evaluate_paths
 displayName: Evaluate Paths
 pool:
 vmImage: 'ubuntu-latest'
 ${{ if eq(variables['System.TeamProject'], 'public') }}:
 name: $(DncEngPublicBuildPool)
 demands: ImageOverride -equals build.azurelinux.3.amd64.open
 ${{ else }}:
 name: $(DncEngInternalBuildPool)
 demands: ImageOverride -equals build.azurelinux.3.amd64
 os: linux

 steps:
 - checkout: self
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4 changes: 2 additions & 2 deletions
src/libraries/System.Security.Cryptography.Cose/src/System.Security.Cryptography.Cose.csproj

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Expand Up@@ -4,8 +4,8 @@
 <TargetFrameworks>$(NetCoreAppCurrent);$(NetCoreAppPrevious);$(NetCoreAppMinimum);netstandard2.0;$(NetFrameworkMinimum)</TargetFrameworks>
 <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
 <IsPackable>true</IsPackable>
 <ServicingVersion>1</ServicingVersion>
 <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
 <ServicingVersion>2</ServicingVersion>
 <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 <PackageDescription>Provides support for CBOR Object Signing and Encryption (COSE).</PackageDescription>
 </PropertyGroup>

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56 changes: 47 additions & 9 deletions
...es/System.Security.Cryptography.Cose/src/System/Security/Cryptography/Cose/CoseMessage.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -295,20 +295,43 @@ private static void DecodeUnprotectedBucket(CborReader reader, CoseHeaderMap hea

 private static void DecodeBucket(CborReader reader, CoseHeaderMap headerParameters)
 {
 int? length = reader.ReadStartMap();
 for (int i = 0; i < length; i++)
 reader.ReadStartMap();

 while (true)
 {
 CoseHeaderLabel label = reader.PeekState() switch
 CborReaderState state = reader.PeekState();

 if (state == CborReaderState.EndMap)
 {
 reader.ReadEndMap();
 break;
 }

 CoseHeaderLabel label = state switch
 {
 CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
 CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
 _ => throw new CryptographicException(SR.Format(SR.DecodeErrorWhileDecoding, SR.DecodeSign1MapLabelWasIncorrect))
 };

 CoseHeaderValue value = CoseHeaderValue.FromEncodedValue(reader.ReadEncodedValue().Span);
 headerParameters.Add(label, value);

 try
 {
 headerParameters.Add(label, value);
 }
 catch (ArgumentException e)
 {
 // Lift the well-known header value validation into a CryptographicException.
 if (e.ParamName == "value")
 {
 throw new CryptographicException(e.Message);
 }

 Debug.Fail("Unexpected ArgumentException from CoseHeaderMap.Add");
 throw new CryptographicException(SR.DecodeErrorWhileDecodingSeeInnerEx, e);
 }
 }
 reader.ReadEndMap();
 }

 private static byte[]? DecodePayload(CborReader reader)
Expand DownExpand Up@@ -563,13 +586,23 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
 return false;
 }

 bool empty = true;

 var reader = new CborReader(critHeaderValue.EncodedValue);
 int length = reader.ReadStartArray().GetValueOrDefault();
 Debug.Assert(length > 0);
 reader.ReadStartArray();

for (int i = 0; i < length; i++)
while (true)
 {
 CoseHeaderLabel label = reader.PeekState() switch
 CborReaderState state = reader.PeekState();

 if (state == CborReaderState.EndArray)
 {
 reader.ReadEndArray();
 break;
 }

 empty = false;
 CoseHeaderLabel label = state switch
 {
 CborReaderState.UnsignedInteger or CborReaderState.NegativeInteger => new CoseHeaderLabel(reader.ReadInt32()),
 CborReaderState.TextString => new CoseHeaderLabel(reader.ReadTextString()),
Expand All@@ -583,6 +616,11 @@ internal static bool MissingCriticalHeaders(CoseHeaderMap? protectedHeders, out
 }
 }

 if (empty)
 {
 throw new CryptographicException(SR.CriticalHeadersMustBeArrayOfAtLeastOne);
 }

 labelName = null;
 return false;
 }
Expand Down

126 changes: 126 additions & 0 deletions
src/libraries/System.Security.Cryptography.Cose/tests/CoseMessageTests.DecodeMultiSign.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -144,5 +144,131 @@ public void DecodeMultiSign_IndefiniteLengthArray_ShorterByOne(string hexCborPay
 CryptographicException ex = Assert.Throws<CryptographicException>(() => CoseMessage.DecodeMultiSign(cborPayload));
 Assert.Null(ex.InnerException);
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeaderIsMissing(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
 "0281182AA05840ECB8C39BE15156FB6567C33634C75396D7FE1042C84FE54B9C" +
 "EFA51E674C0CB227A8C08E558B6047668BBE3311749776670D1583A14B3A2DD8" +
 "7F63F0FA298452";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
 "029F182AFFA05840F62CB760AC27D393D88ED392D5D4D55A02B0BB75261E75FE" +
 "9B346C280DA6B93BE7F5B1B66B74561513EA52CAA2C66FE7474010035C678DA6" +
 "B3549D3E671166EB";

 const string DetachedDefiniteHex =
 "D8628440A0F6818347A201260281182AA05840F96CE3D0999F34BE0E3FC62AE2" +
 "AB25DD8D88F7154E6FADD5FFFEAF78F89DB97AC3E599ADB555C8442BD520F3F4" +
 "8CB6A320B864677E26D1FA79FEDD79C3BCA927";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818348A20126029F182AFFA0584028E95F7F9267CED0061339A7" +
 "6602D823774EDA3E8D53B0A4FA436B71B0DBCA6F03F561A67355374AF494648C" +
 "941558146F9C22B17542EBAF23497D27635A1829";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Critical Header '42' missing from protected map.");
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeadersIsEmpty(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818345A20126" +
 "0280A05840B5F9E21078643A74B181ED294AC72C71F20AC5CA7AD037F559C68E" +
 "06148429396A4194133763AB6918D747ACEE820CC430C2E891E3E2D5EECF6126" +
 "1CEA33C6D4";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818346A20126" +
 "029FFFA05840DDF3C0B85415AD1628C0B50C0F3FEDE675C1003484687CDFA3FA" +
 "09285D5A31D48ADF11744BE0AE87F0189408A9CF38F0572537E8A786D505B6A6" +
 "EE2008B91C74";

 const string DetachedDefiniteHex =
 "D8628440A0F6818345A201260280A05840EB66EE9E064CAB2E2F50244661734D" +
 "9AEBD959BD21278E8D4827870DFE10C27B52E3E21D29185FC64526DC3B80C108" +
 "548E956E9DBDDC7B23D100C17715AEE163";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818346A20126029FFFA05840FC954ABD1611F7C6EEDD7FE71C3F" +
 "62821AD46ED1988500F3309D0C607F0F151A69D0FC7BC968B2C36AEE68AC2B9A" +
 "9580DFE1244F6E5F834183497F21EA5900C1";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Critical Headers must be a CBOR array of at least one element.");
 }

 [Theory]
 [InlineData(true, true)]
 [InlineData(true, false)]
 [InlineData(false, false)]
 [InlineData(false, true)]
 public void DecodeMultiSignThrowsIfCriticalHeaderIsOfUnknownType(bool detached, bool useIndefiniteLength)
 {
 const string AttachedDefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818347A20126" +
 "0281412AA05840FCAFEDBE41693C7BA43FB58E2CF06182BE1BF340122CC5AFD4" +
 "F59172C7E95166FF8E98FE9A0C2BEFEA135FD800DE6CA9A281D49B141CB93B17" +
 "D992E693540F8A";

 const string AttachedIndefiniteHex =
 "D8628440A054546869732069732074686520636F6E74656E742E818348A20126" +
 "029F412AFFA058400D3F4426B26007D731677D99B542E524847FF3927BCA74E4" +
 "1823B09D6CA57A0E107F93DFE5DB851F4CEE8C0E4AF83E3540848F026FCD761F" +
 "91CA2ED8D5F98134";

 const string DetachedDefiniteHex =
 "D8628440A0F6818347A201260281412AA0584008E0EEF66622FEC926CB651E90" +
 "13D8628AB72581533761EDE52972FE6DFBF2C4BADB6C218E8AD1E28F8192DFB2" +
 "8A82A4444A74C370AEA6C63AC982EABCD52874";

 const string DetachedIndefiniteHex =
 "D8628440A0F6818348A20126029F412AFFA05840C6DDCA2F35B7B285AB594963" +
 "E9DB43CBDC77842256A7D1D31704749C7446AD5A67BBC02F9DBAF8F394ECCCA7" +
 "8E8B63E5BB746F0205EE5732DFB2E00EBA3D5F48";

 string inputHex = (detached, useIndefiniteLength) switch
 {
 (false, false) => AttachedDefiniteHex,
 (false, true) => AttachedIndefiniteHex,
 (true, false) => DetachedDefiniteHex,
 (true, true) => DetachedIndefiniteHex,
 };

 AssertExtensions.ThrowsContains<CryptographicException>(
 () => CoseMessage.DecodeMultiSign(ByteUtils.HexToByteArray(inputHex)),
 "Header '2' does not accept the specified value.");
 }
 }
}
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