A standalone Java 7 implementation of HMAC-based key derivation function (HKDF) defined in RFC 5869 first described by Hugo Krawczyk. HKDF follows the "extract-then-expand" paradigm which is compatible to NIST 800-56C Rev. 1 two step KDF

a small cli tool for file encryption, written in Rust.

🔑 Deno library for hashing passwords using scrypt

🐢 The hardware heart of TurtlPass — firmware for passwords born in hardware, offline and reproducible (RP2040 / RP2350).

An Internet-Draft for the Balloon Key Derivation Function (BKDF), a memory-hard password hashing and password-based key derivation function.

Implementation of the single-step key derivation function (KDF) as described in NIST Special Publication 800-56C Rev1 supporting messages digest and HMAC.

Go library for password hashing with KDF (key derivation function)

Password generation through MIDI notes

A proof of concept for how you can turn a duplex-style AEAD scheme (e.g., AEGIS) into a memory-hard password-based KDF.

Client-side encrypted storage for Expo, React Native, and Node. X25519 + HPKE (RFC 9180), XChaCha20-Poly1305 AEAD, and 24-word BIP39 recovery — pure JavaScript, no native code, no prebuild, runs in Expo Go.

Web interface to libdar

WebApp for text to to emoji encryption and conversion with custom and standard algorithms.

A password manager that utilizes PostgreSQL, AES Encryption, and PBKDF2 to create a simple and secure password storage and retrieval system.

Cross-platform password-based encryption using Argon2id + XChaCha20-Poly1305 for secret storage.

Library for the Argon2-family of hashing functions

🔑 An exciting CLI password manager written in Rust.

Cryptographic Key Stretching Functions in Go.

Hashcash-Based Key Derivation Function

TPM based Key Deriviation Function (KDF)