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[release/6.0-rc1] [MacCatalyst] Make AppleCryptoNative_SslSetEnabledCipherSuites check for 32 bit & 16 bit SSLCipherSuite - #58182
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August 26, 2021 14:49
…for 32 bit & 16 bit SSLCipherSuite According to CipherSuites.h, SSLCipherSuite is a 16 bit value on iOS/tvOS x64 & arm64, but on MacCatalyst that is only true on arm64. x64 is defined as 32 bit. ``` /* 16-bit value on iOS */ typedef uint16_t SSLCipherSuite; /* 32-bit value elsewhere */ typedef uint32_t SSLCipherSuite; ``` Fixes#53120
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Aug 26, 2021
Tagging subscribers to this area: @bartonjs, @vcsjones, @krwq, @GrabYourPitchforks Issue DetailsBackport of #57623 to release/6.0-rc1 /cc @steveisok Customer ImpactTestingRisk
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Anipik
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Aug 27, 2021
Anipik
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Aug 27, 2021
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Backport of #57623 to release/6.0-rc1
/cc @steveisok
Customer Impact
Background: dotnet/macios#11498
The size of the SSLCipherSuite enum differs by platform. For MacCatalyst we currently always assume that it's 16-bit which is correct on arm64 [but wrong in the system headers]. For x64 it should be 32-bit [and it's definited correctly in the system headers].
Testing
Verified the right enum gets chosen for arm64 and x64 on MacCatalyst
Risk
Low. It would be broken on MacCatalyst x64 anyhow.