Repository Index

General purpose TLS and crypto library

• cryptography
• openssl
• encryption
• tls

An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.

• tls
• ssl
• crypto
• cryptography-library

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

OpenPGP implementation for JavaScript

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

The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3! Update to wolfSSL 5.9.1 for the latest CVE fixes.

• ssl
• tls
• cryptography
• security

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

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

• hashing-algorithm
• javascript
• hmac
• hexadecimal

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).

Cryptographic library for Embarcadero Delphi and potentially for FPC as well

• delphi
• key-deviation-algorithms
• cryptographic-checksums
• kdf1

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.

Swift cross-platform crypto library using CommonCrypto/libcrypto

• swift
• cryptography
• commoncrypto
• openssl

Ultra high-performance secp256k1 ECC engine | Python, Node.js, Rust, Go, C#, Swift, Java bindings | CUDA, Metal, OpenCL GPU | ECDSA, Schnorr, FROST, MuSig2, BIP-352 | 15+ platforms

• cryptography
• cuda
• riscv
• secp256k1

Open-source crypto library with a similar API for multiple languages.

HElib is an open-source software library that implements homomorphic encryption. It supports the BGV scheme with bootstrapping and the Approximate Number CKKS scheme. HElib also includes optimizations for efficient homomorphic evaluation, focusing on effective use of ciphertext packing techniques and on the Gentry-Halevi-Smart optimizations.

Library for working with RSA keys using Elixir and OpenSSL ports

Client-side AES-256-GCM zero-knowledge encryption library. Browser-native Web Crypto API, no dependencies. Powers FileShot.io.

• aes-256
• aes-256-gcm
• browser-encryption
• client-side-encryption

A library that wraps OpenSSL, but also has pure Julia implementations for reference.

A fully OpenSSL compliant ActionScript 3 library for AES encryption.