💡 JWT Quick Reference
- • Structure:
header.payload.signature— each part is base64url-encoded - • Common algs:
HS256(HMAC),RS256(RSA),ES256(ECDSA) - • exp / iat / nbf: Unix timestamps (seconds since Jan 1, 1970 UTC)
- • Payload is not encrypted — never put secrets in JWT claims
- • Verify on the server — client-side decoding only reads claims, doesn't validate signature
🔍 Is Your Auth Architecture Ready for AI-Scale Security?
Decoding JWTs is just debugging. In 20 minutes I'll audit your authentication and authorization stack and show you where AI can automate token management, anomaly detection, and access control at scale.
Get Your Free AI Scan →