Python library for Elliptic Curve Cryptography: key exchanges (Diffie-Hellman, Massey-Omura), ECDSA signatures, and Koblitz encoding. Suitable for crypto education and secure systems.

Digital Signature Algorithm for MPSoC

Elliptic Curve, Schnorr, and ZKP for Bitcoin. Supports iOS macOS tvOS watchOS visionOS + Linux.

This is the SORA L1 blockchain core SORA-QAI(SorachanCoin-Core). In the latest version (v3.67.14 and later), in addition to the traditional verification by ECDSA, the private key signing has become multisig with a Quantum and AI resistance algorithm.

Crypto Deep Tools a set of scripts for detailed cryptanalysis of the Blockchain network in cryptocurrency Bitcoin

In this study, we will look at the DeserializeSignature vulnerability, discovered in 2023, which allows attackers to create invalid signatures that can be accepted as valid by the Bitcoin network.

Cryptographic signature algorithms: DSA, ECDSA, Ed25519

Cryptographic Primitives for Blockchain Systems (solidity, cairo, C and rust)

ECDSA cryptographic signature library for JavaScript

Standalone, test-driven implementation of BIP-85 and BIP-32 designed for readability

The Lit Protocol SDK provides developers with a framework for implementing Lit functionality into their own applications.

ONIXLabs .NET Library

go 常用加密解密库/go encrypt or decrypt pkg（RSA/SM2/EIGamal/Gost/AES/DES/TripleDes/SM4/Tea/Twofish）

PHP Secure Communications Library

All about digital signature

OpenPGP for flutter made with golang for fast performance with support for android, ios, macos, linux, windows, web and hover

Kotlin Multiplatform cryptography / crypto library

OpenPGP for react native made with golang for fast performance

Open-source implementation of a substantial portion of the API of Apple CryptoKit suitable for use on Linux platforms.

TLS implementation in pure python, focused on interoperability testing