ReddRadar
Agent skill
ev-certificate-validator
Validate EV code signing certificate chain and timestamp for Windows SmartScreen
Install this agent skill to your Project
npx add-skill https://github.com/a5c-ai/babysitter/tree/main/library/specializations/desktop-development/skills/ev-certificate-validator
SKILL.md
ev-certificate-validator
Validate EV (Extended Validation) code signing certificate chain and timestamp to ensure Windows SmartScreen compatibility.
Capabilities
- Verify certificate chain validity
- Check timestamp presence and validity
- Validate EV certificate attributes
- Check certificate expiration
- Verify signature algorithm strength
- Validate publisher information
Input Schema
{
"type": "object",
"properties": {
"signedFile": { "type": "string" },
"checkSmartScreen": { "type": "boolean", "default": true }
},
"required": ["signedFile"]
}
Validation Commands
# Verify signature with chain
signtool verify /pa /all /v signed.exe
# Check certificate details
certutil -dump signed.exe
# Verify timestamp
signtool verify /pa /tw signed.exe
Related Skills
windows-authenticode-signercode-signing-setupprocess
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