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Signifypy

Signify implementation in Python

TestscodecovDocumentation Status

Signify - KERI Signing at the Edge

Of the five functions in a KERI agent,

  1. Key generation
  2. Encrypted key storage
  3. Event generation
  4. Event signing
  5. Event Validation

Signifypy provides key generation and event signing in a library to provide "signing at the edge". It accomplishes this by using libsodium to generate ed25519 key pairs for signing and x25519 key pairs for encrypting the private keys, next public keys, and salts used to generate the private keys. The encrypted private key and salts are then stored on a remote cloud agent that never has access to the decryption keys. New key pair sets (current and next) will be generated for inception and rotation events with only the public keys and blake3 hash of the next keys made available to the agent.

The communication protocol between a Signify client and KERI agent will encode all cryptographic primitives as CESR base64 encoded strings for the initial implementation. Support for binary CESR can be added in the future.

Development

Install uv first, then sync the local environment:

make sync

Run the fast test suite with:

make test

Packaging

make build

Installation

From PyPi

pip install signifypy

Local

make sync

Local Editable Install In An Existing Python Environment

If you already have a Python environment selected and want an editable install inside that environment, uv still supports that flow directly:

uv pip install -e .

About

Signify implementation in Python

signifypy.readthedocs.io/en/latest/

Resources

Readme
Apache-2.0 license
Activity
Custom properties

Stars

8 stars

Watchers

4 watching

Forks

15 forks
Report repository

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n 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;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
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Signifypy
Signify implementation in Python
TestscodecovDocumentation Status
Signify - KERI Signing at the Edge
Of the five functions in a KERI agent,
  1. Key generation
  2. Encrypted key storage
  3. Event generation
  4. Event signing
  5. Event Validation
Signifypy provides key generation and event signing in a library to provide "signing at the edge".
It accomplishes this by using libsodium to generate ed25519 key pairs for signing and x25519 key pairs for encrypting the
private keys, next public keys, and salts used to generate the private keys. The encrypted private key and salts are then stored on a
remote cloud agent that never has access to the decryption keys. New key pair sets (current and next) will be generated
for inception and rotation events with only the public keys and blake3 hash of the next keys made available to the agent.
The communication protocol between a Signify client and KERI agent will encode all cryptographic primitives as CESR base64
encoded strings for the initial implementation. Support for binary CESR can be added in the future.
Development
Install uv first, then sync the local environment:
make sync
Run the fast test suite with:
make test
Packaging
make build
Installation
From PyPi
pip install signifypy
Local
make sync
Local Editable Install In An Existing Python Environment
If you already have a Python environment selected and want an editable install
inside that environment, uv still supports that flow directly:
uv pip install -e .
About
Signify implementation in Python
signifypy.readthedocs.io/en/latest/
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
8 stars
Watchers
4 watching
Forks
15 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Signifypy
Signify implementation in Python
TestscodecovDocumentation Status
Signify - KERI Signing at the Edge
Of the five functions in a KERI agent,
  1. Key generation
  2. Encrypted key storage
  3. Event generation
  4. Event signing
  5. Event Validation
Signifypy provides key generation and event signing in a library to provide "signing at the edge".
It accomplishes this by using libsodium to generate ed25519 key pairs for signing and x25519 key pairs for encrypting the
private keys, next public keys, and salts used to generate the private keys. The encrypted private key and salts are then stored on a
remote cloud agent that never has access to the decryption keys. New key pair sets (current and next) will be generated
for inception and rotation events with only the public keys and blake3 hash of the next keys made available to the agent.
The communication protocol between a Signify client and KERI agent will encode all cryptographic primitives as CESR base64
encoded strings for the initial implementation. Support for binary CESR can be added in the future.
Development
Install uv first, then sync the local environment:
make sync
Run the fast test suite with:
make test
Packaging
make build
Installation
From PyPi
pip install signifypy
Local
make sync
Local Editable Install In An Existing Python Environment
If you already have a Python environment selected and want an editable install
inside that environment, uv still supports that flow directly:
uv pip install -e .
About
Signify implementation in Python
signifypy.readthedocs.io/en/latest/
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
8 stars
Watchers
4 watching
Forks
15 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Signifypy
Signify implementation in Python
TestscodecovDocumentation Status
Signify - KERI Signing at the Edge
Of the five functions in a KERI agent,
  1. Key generation
  2. Encrypted key storage
  3. Event generation
  4. Event signing
  5. Event Validation
Signifypy provides key generation and event signing in a library to provide "signing at the edge".
It accomplishes this by using libsodium to generate ed25519 key pairs for signing and x25519 key pairs for encrypting the
private keys, next public keys, and salts used to generate the private keys. The encrypted private key and salts are then stored on a
remote cloud agent that never has access to the decryption keys. New key pair sets (current and next) will be generated
for inception and rotation events with only the public keys and blake3 hash of the next keys made available to the agent.
The communication protocol between a Signify client and KERI agent will encode all cryptographic primitives as CESR base64
encoded strings for the initial implementation. Support for binary CESR can be added in the future.
Development
Install uv first, then sync the local environment:
make sync
Run the fast test suite with:
make test
Packaging
make build
Installation
From PyPi
pip install signifypy
Local
make sync
Local Editable Install In An Existing Python Environment
If you already have a Python environment selected and want an editable install
inside that environment, uv still supports that flow directly:
uv pip install -e .
About
Signify implementation in Python
signifypy.readthedocs.io/en/latest/
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
8 stars
Watchers
4 watching
Forks
15 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

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

Skip to content
BranchesTags
Repository files navigation
Signifypy
Signify implementation in Python
TestscodecovDocumentation Status
Signify - KERI Signing at the Edge
Of the five functions in a KERI agent,
  1. Key generation
  2. Encrypted key storage
  3. Event generation
  4. Event signing
  5. Event Validation
Signifypy provides key generation and event signing in a library to provide "signing at the edge".
It accomplishes this by using libsodium to generate ed25519 key pairs for signing and x25519 key pairs for encrypting the
private keys, next public keys, and salts used to generate the private keys. The encrypted private key and salts are then stored on a
remote cloud agent that never has access to the decryption keys. New key pair sets (current and next) will be generated
for inception and rotation events with only the public keys and blake3 hash of the next keys made available to the agent.
The communication protocol between a Signify client and KERI agent will encode all cryptographic primitives as CESR base64
encoded strings for the initial implementation. Support for binary CESR can be added in the future.
Development
Install uv first, then sync the local environment:
make sync
Run the fast test suite with:
make test
Packaging
make build
Installation
From PyPi
pip install signifypy
Local
make sync
Local Editable Install In An Existing Python Environment
If you already have a Python environment selected and want an editable install
inside that environment, uv still supports that flow directly:
uv pip install -e .
About
Signify implementation in Python
signifypy.readthedocs.io/en/latest/
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
8 stars
Watchers
4 watching
Forks
15 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Signifypy
Signify implementation in Python
TestscodecovDocumentation Status
Signify - KERI Signing at the Edge
Of the five functions in a KERI agent,
  1. Key generation
  2. Encrypted key storage
  3. Event generation
  4. Event signing
  5. Event Validation
Signifypy provides key generation and event signing in a library to provide "signing at the edge".
It accomplishes this by using libsodium to generate ed25519 key pairs for signing and x25519 key pairs for encrypting the
private keys, next public keys, and salts used to generate the private keys. The encrypted private key and salts are then stored on a
remote cloud agent that never has access to the decryption keys. New key pair sets (current and next) will be generated
for inception and rotation events with only the public keys and blake3 hash of the next keys made available to the agent.
The communication protocol between a Signify client and KERI agent will encode all cryptographic primitives as CESR base64
encoded strings for the initial implementation. Support for binary CESR can be added in the future.
Development
Install uv first, then sync the local environment:
make sync
Run the fast test suite with:
make test
Packaging
make build
Installation
From PyPi
pip install signifypy
Local
make sync
Local Editable Install In An Existing Python Environment
If you already have a Python environment selected and want an editable install
inside that environment, uv still supports that flow directly:
uv pip install -e .
About
Signify implementation in Python
signifypy.readthedocs.io/en/latest/
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
8 stars
Watchers
4 watching
Forks
15 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Signifypy
Signify implementation in Python
TestscodecovDocumentation Status
Signify - KERI Signing at the Edge
Of the five functions in a KERI agent,
  1. Key generation
  2. Encrypted key storage
  3. Event generation
  4. Event signing
  5. Event Validation
Signifypy provides key generation and event signing in a library to provide "signing at the edge".
It accomplishes this by using libsodium to generate ed25519 key pairs for signing and x25519 key pairs for encrypting the
private keys, next public keys, and salts used to generate the private keys. The encrypted private key and salts are then stored on a
remote cloud agent that never has access to the decryption keys. New key pair sets (current and next) will be generated
for inception and rotation events with only the public keys and blake3 hash of the next keys made available to the agent.
The communication protocol between a Signify client and KERI agent will encode all cryptographic primitives as CESR base64
encoded strings for the initial implementation. Support for binary CESR can be added in the future.
Development
Install uv first, then sync the local environment:
make sync
Run the fast test suite with:
make test
Packaging
make build
Installation
From PyPi
pip install signifypy
Local
make sync
Local Editable Install In An Existing Python Environment
If you already have a Python environment selected and want an editable install
inside that environment, uv still supports that flow directly:
uv pip install -e .
About
Signify implementation in Python
signifypy.readthedocs.io/en/latest/
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
8 stars
Watchers
4 watching
Forks
15 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
BranchesTags
Repository files navigation
Signifypy
Signify implementation in Python
TestscodecovDocumentation Status
Signify - KERI Signing at the Edge
Of the five functions in a KERI agent,
  1. Key generation
  2. Encrypted key storage
  3. Event generation
  4. Event signing
  5. Event Validation
Signifypy provides key generation and event signing in a library to provide "signing at the edge".
It accomplishes this by using libsodium to generate ed25519 key pairs for signing and x25519 key pairs for encrypting the
private keys, next public keys, and salts used to generate the private keys. The encrypted private key and salts are then stored on a
remote cloud agent that never has access to the decryption keys. New key pair sets (current and next) will be generated
for inception and rotation events with only the public keys and blake3 hash of the next keys made available to the agent.
The communication protocol between a Signify client and KERI agent will encode all cryptographic primitives as CESR base64
encoded strings for the initial implementation. Support for binary CESR can be added in the future.
Development
Install uv first, then sync the local environment:
make sync
Run the fast test suite with:
make test
Packaging
make build
Installation
From PyPi
pip install signifypy
Local
make sync
Local Editable Install In An Existing Python Environment
If you already have a Python environment selected and want an editable install
inside that environment, uv still supports that flow directly:
uv pip install -e .
About
Signify implementation in Python
signifypy.readthedocs.io/en/latest/
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
8 stars
Watchers
4 watching
Forks
15 forks
Report repository
Releases
Packages
Used by
Contributors
Languages