FIPS 197 AES-GCM Authenticated Encryption Tag Length Auditor
Audits AES Galois/Counter Mode (GCM) authenticated encryption authentication tag bit lengths (96, 104, 112, 120, or 128 bits).
Notice: engineering verification utility. Use test or de-identified data and verify results independently before relying on them.
How it works
Standard: NIST SP 800-38D / FIPS 197 AES-GCM Specification
Formula: Verify authentication tag bit length equals 128, 120, 112, 104, or 96 bits
Checks: Valid numeric tag length in bits
Calculated locally in browser memory; nothing leaves your browser.
Deterministic local-first client-side execution. Provided as-is without warranty.