windows-authenticode-signer

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Sign Windows executables with Authenticode using signtool, supporting EV and standard certificates

Instructions available. Your AI can read the instructions. Execution depends on the setup they require.

Add ahel to your AI once: Claude, ChatGPT, Cursor, Claude Code or Codex. Then ask it to use this.

Then ask your AI: use the windows-authenticode-signer skill

What this skill tells your AI

The instructions your AI receives, as published by a5c-ai/babysitter in library/specializations/desktop-development/skills/windows-authenticode-signer/SKILL.md and read by ahel’s review.

Sign Windows executables with Authenticode using signtool. This skill configures code signing for Windows applications with standard and EV certificates, timestamping, and CI/CD integration.

Capabilities

  • Sign executables with Authenticode
  • Configure EV certificate signing
  • Set up timestamping servers
  • Sign with Azure Key Vault
  • Configure CI/CD signing workflows
  • Verify existing signatures
  • Sign DLLs and nested binaries
  • Configure dual SHA1/SHA256 signing

Input Schema

{
  "type": "object",
  "properties": {
    "executablePath": { "type": "string" },
    "certificateSource": { "enum": ["file", "store", "azure-keyvault", "digicert"] },
    "timestampServer": { "type": "string" },
    "hashAlgorithm": { "enum": ["SHA256", "SHA1", "dual"] }
  },
  "required": ["executablePath"]
}

Signing Commands

# Sign with PFX file
signtool sign /f certificate.pfx /p password /fd SHA256 /tr http://timestamp.digicert.com /td SHA256 MyApp.exe

# Sign with certificate store
signtool sign /n "My Company" /fd SHA256 /tr http://timestamp.digicert.com /td SHA256 MyApp.exe

# Sign with Azure Key Vault
AzureSignTool sign -kvu https://myvault.vault.azure.net -kvi $AZURE_CLIENT_ID -kvt $AZURE_TENANT_ID -kvs $AZURE_CLIENT_SECRET -kvc MyCertificate -tr http://timestamp.digicert.com -td sha256 MyApp.exe

Verification

signtool verify /pa /v MyApp.exe

Related Skills

  • msix-package-generator
  • code-signing-setup process

Signals

GitHub stars
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Forks
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Last commit
Sep 2026
Advanced
Item type
skill
Key
windows-authenticode-signer
Source
github.com/a5c-ai/babysitter