CryptoSwift is a growing collection of standard and secure cryptographic algorithms implemented in Swift

A native implementation of TLS in Javascript and tools to write crypto-based and network-heavy webapps

Safely pass trusted data to untrusted environments and back.

A JavaScript/TypeScript implementation of the complete Secure Hash Standard (SHA) family (SHA-1, SHA-224/256/384/512, SHA3-224/256/384/512, SHAKE128/256, cSHAKE128/256, and KMAC128/256) with HMAC.

Practical Cryptography for Developers: Hashes, MAC, Key Derivation, DHKE, Symmetric and Asymmetric Ciphers, Public Key Cryptosystems, RSA, Elliptic Curves, ECC, secp256k1, ECDH, ECIES, Digital Signatures, ECDSA, EdDSA

🔑 One Time Password (OTP) / 2FA for Node.js and Browser - Supports HOTP, TOTP and Google Authenticator

Single Packet Authorization > Port Knocking

Fast and dependency-free cryptographic hashing library for node.js and browsers (supports MD5, SHA1, SHA256, SHA512, RIPEMD, HMAC)

Open Source License Key Generation and Verification Tool written in Go

✅ .NET crypto done right. Professionally audited.

HMAC authentication for Rails and HTTP Clients

编码转换、摘要(hash)、加解密（MD5、SHA1、SHA256、SHA3、SM3、HMAC、DES、3DES、AES、SM4）

Go JWT signing, verifying and validating

JSON Web Token library

An easy, fast lib to correctly password-protect your data

A modern and easy-to-use cryptographic library for .NET Core based on libsodium

Fast, reliable cipher, hash and hmac methods executed in Node's threadpool for multi-core throughput.

Portable C++ hashing library

使用Docker构建云平台，Docker云平台系列共三讲，Docker基础、Docker进阶、基于Docker的云平台方案。OpenStack+Docker+RestAPI+OAuth/HMAC+RabbitMQ/ZMQ+OpenResty/HAProxy/Nginx/APIGateway+Bootstrap/AngularJS+Ansible+K8S/Mesos/Marathon构建/探索微服务最佳实践。

A simple to use, high-performance, Go (golang) MAC signer.

A Java implementation of the Libsodium crypto library. For the lazy dev.

InstaCop — Enhanced shopping experience for the adidas.com online store 🦓

A simple to use Java 8 JWT Library. Verify, Sign, Encode, Decode all day.

h256only is not JWT

Lightning fast hash functions using hand-tuned WebAssembly binaries

A Requests auth module for the HTTP Signature IETF draft standard RFC

A WebCrypto Polyfill for NodeJS

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 collection of high-level API's exposing PointyCastle to perform hashing and encrypting in popular/secure algorithms.