A Python package for EMV cryptography in payment systems
A secure IndexedDB store with built-in encryption
Cryptographic utilities built on Python's standard library. Zero external dependencies. Designed for rapid prototyping and restricted environments.
CLI for the recovery of OMNI funds (any OP_RETURN inputs) out of a Bitcoin Multisig Wallet
A Java library that can be used to create mnemonics for the Stellar Network (e.g. for your Android app)
a high-level async cryptographic anonymity library to scale, simplify, & automate privacy best practices for secure data & identity processing, communication, & storage.
Simple, offline, cross-platform secrets manager written in Rust.
A simple password hashing & compare golang package
Implementation of the single-step key derivation function (KDF) as described in NIST Special Publication 800-56C Rev1 supporting messages digest and HMAC.
Key derivation function for defense against brute force attacks for defense against brute force attacks
Fast, cross-platform, RFC-compliant implementation of HMAC-based Extract-and-Expand Key Derivation Function (HKDF) in .NET Standard
cryptio is a modern Go library for secure password-based encryption and decryption, featuring Argon2id key derivation and AES-GCM. Choose your desired security level—Standard, Medium, or High—for optimal protection and performance balance.
A proof of concept for how you can turn a duplex-style AEAD scheme (e.g., AEGIS) into a memory-hard password-based KDF.
Encryption adapter for https://github.com/vladimiry/fs-json-store
A tool to find commonly used key derivation addresses of an xPub along with balances
Password-based encryption for data at rest, in Go. Argon2id + AES-256-GCM
Hierarchical secret derivation with Blake2b and RNGs
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.
A password manager that utilizes PostgreSQL, AES Encryption, and PBKDF2 to create a simple and secure password storage and retrieval system.
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