Repository Index

JavaScript library of crypto standards.

Hash-based signatures in typescript, WOTS+

[DEPRECATED] Stanford Javascript Crypto Library

A tiny (18.5 kB gzip), zero-dependency, Javascript library to perform OpenSSL RSA Encryption, Decryption, and Key Generation.

OpenPGP implementation for JavaScript

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

• crypto
• cryptography
• x509
• message-digest

CAUTION: END OF SUPPORT ON 14 AUG 2026. The 'jsrsasign' (RSA-Sign JavaScript Library) is an opensource free cryptography library supporting RSA/RSAPSS/ECDSA/DSA signing/validation, ASN.1, PKCS#1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp, CAdES and JSON Web Signature/Token in pure JavaScript.

• asn1
• x509
• certificate
• crl

Complete implementation of JWx (Javascript Object Signing and Encryption/JOSE) technologies for Go. #golang #jwt #jws #jwk #jwe

• jwt
• jwe
• jws
• jwk

Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.

• cryptography-library
• cryptography
• security
• golang

Port of TweetNaCl cryptographic library to JavaScript

• crypto
• javascript
• authentication
• signature

An ActionScript 3 Library that contains a number of classes and utilities for working with ActionScript? 3. These include classes for MD5 and SHA 1 hashing, Image encoders, and JSON serialization as well as general String, Number and Date APIs.

Audited & minimal JS implementation of elliptic curve cryptography.

• crypto
• cryptography
• ecdsa
• ed25519

Audited & minimal JS implementation of hash functions, MACs and KDFs.

• cryptography
• hash
• kdf
• hashing

Fastest 5KB JS implementation of secp256k1 signatures and ECDH

• secp256k1
• ecdsa
• ecc
• cryptography

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

• hashing-algorithm
• javascript
• hmac
• hexadecimal

Tiny hashing module that uses the native crypto API in Node.js and the browser

• hashing
• hash-functions
• sha256
• crypto

Fastest 5KB JS implementation of ed25519 signatures

• ed25519
• curve25519
• eddsa
• cryptography

Audited & minimal JS implementation of Salsa20, ChaCha and AES

• aes-siv
• chacha20
• chacha20-poly1305
• chacha20poly1305

Auditable & minimal JS implementation of public-key post-quantum cryptography

• dilithium
• kyber
• ml-kem
• post-quantum-cryptography

Following googlecode project crypto-js, provide standard and secure cryptographic algorithms for NodeJS. Support MD5, SHA-1, SHA-256, RC4, Rabbit, AES, DES, PBKDF2, HMAC, OFB, CFB, CTR, CBC, Base64

Elliptic curve cryptography functions: Private Key, Public Key, Signature, AES, Encryption, Decryption

The JavaScript Crypto Library provides web developers with an extensive and efficient set of cryptographic functions. The library aims to obtain maximum execution speed while preserving modularity and reusability. The library is released as open source under a BDS license.

High-performance pure-javascript SHA1 implementation suitable for large binary data, reaching up to half the native speed.

PolyCrypt - A pure JS implementation of the WebCrypto API