Repository Index

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.

• python
• cryptography

[DEPRECATED] Stanford Javascript Crypto Library

An implementation of the TLS/SSL protocols

• tls
• ssl
• s2n
• encryption

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

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

LibTomCrypt is a fairly comprehensive, modular and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining modes, pseudo-random number generators, public key cryptography and a plethora of other routines.

• libtomcrypt
• cryptography
• c
• encryption

ECDH and ECDSA for 8-bit, 32-bit, and 64-bit processors.

RSA public/private key encryption in Swift

• swift
• ios
• encryption
• rsa

A Rust implementation of the Noise Protocol Framework

• cryptography
• crypto
• noise-protocol-framework
• noise-protocol

Audited & minimal JS implementation of elliptic curve cryptography.

• crypto
• cryptography
• ecdsa
• ed25519

Collection of pure Rust elliptic curve implementations: NIST P-224, P-256, P-384, P-521, secp256k1, SM2

• ecdsa
• nist
• rust
• schnorr

Cryptographic Primitive Code Generation by Fiat

RSA public/private key generation, RSA, AES encryption/decryption, RSA sign/verify in Swift with CommonCrypto in iOS and OS X

• ios
• crypt
• swift
• rsa

ObjectivePGP is an open-source library for iOS and macOS that provides developers with tools for implementing OpenPGP encryption and decryption, digital signing, and signature verification in their applications, thereby enhancing security and data integrity.

• openpgp
• objective-c
• encryption
• pgp

MIRACL Cryptographic SDK: Multiprecision Integer and Rational Arithmetic Cryptographic Library is a C software library that is widely regarded by developers as the gold standard open source SDK for elliptic curve cryptography (ECC).

Charm: A Framework for Rapidly Prototyping Cryptosystems

• python
• cryptography
• prototyping

:white_check_mark: .NET crypto done right. Professionally audited.

• crypto
• cryptography
• c-sharp
• aead

Java cryptographic library that supports Argon2, bcrypt, scrypt and PBKDF2 aimed to protect passwords in databases. Easy to use by design, highly customizable, secure and portable. All the implementations follow the standards and have been reviewed to perform better in the JVM.

• pbkdf2
• bcrypt
• scrypt
• argon2

Axolotl Protocol Implementation

A collection of cryptographic primitives written in pure Lua

🔐 Library for developing secure, decentralized, anonymous and quantum-resistant networks in Go language

• network
• anonymity
• golang
• library

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

Small portable Elliptic-Curve Diffie-Hellman in C

• elliptic-curve-diffie-hellman
• ecdh
• public-key-cryptography
• c

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