Agent Skills: windows-authenticode-signer

windows-authenticode-signer

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