kmackay / micro-ecc

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

phpseclib / phpseclib

PHP Secure Communications Library

apple / swift-crypto

Swift implementation of a large part of Apple's CryptoKit API for Linux and ARM64 Windows, backed by vendored BoringSSL and XKCP.

pion / dtls

DTLS 1.2 / 1.3 implementation for Go