Audited & minimal JS implementation of Salsa20, ChaCha and AES

A format-preserving encryption implementation in Go

Format-Preserving Encryption Implementation in Java

Format-preserving encryption in Rust

scramble is a Go library that performs format-preserving scrambling and unscrambling of numeric values using the FF1 FPE algorithm.

NIST FF1 CLI tool. Uses input files consisting of one (large) hex line.

Data protection SDK for Node.js — format-preserving encryption (FF1/FF3), data masking, and hashing.

Data protection SDK for Java — format-preserving encryption (FF1/FF3), data masking, and hashing.

Data protection SDK for PHP — format-preserving encryption (FF1/FF3), data masking, and hashing.

Data protection SDK for Go — format-preserving encryption (FF1/FF3), data masking, and hashing.

Data protection SDK for Rust — format-preserving encryption (FF1/FF3), data masking, and hashing.

Browser-based format-preserving encryption demo — FF1 and FF3-1 live tokenization of credit cards, SSNs, and phone numbers. Real AES-256 Feistel rounds. No backends. No simulated math.

Python implementation of format preserving encryption defined as a NIST draft (FF1, FF3-1)

Canonical Flutter mobile controller and library app for FF1 and The Digital Art System.

Format Preserving Encryption in Go

Data protection SDK for Python — format-preserving encryption (FF1/FF3), data masking, and hashing.

Data protection SDK for .NET — format-preserving encryption (FF1/FF3), data masking, and hashing.