FF3-1 Format-Preserving Encryption

NIST SP 800-38G Rev 1 — Rust compiled to WebAssembly via wasm-pack

⚠ Security notice: AI-generated implementation, no formal security audit. For educational and experimental use only. Do not use to protect real sensitive data.

ℹ FF3-1 requires a tweak of exactly 7 bytes (14 hex chars). NIST SP 800-38G Rev 1 Second Public Draft (Feb 2025) withdrew FF3-1 in favour of FF1.

Key (hex — 32 / 48 / 64 chars) Radix Alphabet Tweak (hex — exactly 14 hex chars = 7 bytes)

Must be exactly 14 hex characters. Example: D8E7920AFA330A

Plaintext / Ciphertext

Initialising…

Console

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