Ecdsa Python Packages

ecdsa

pure-python ECDSA signature/verification and ECDH key agreement

oscrypto

Compiler-free Python crypto library backed by the OS, supporting CPython and PyPy

coincurve

Safest and fastest Python library for secp256k1 elliptic curve operations

tlslite-ng

TLS implementation in pure python, focused on interoperability testing

fastecdsa

Python library for fast elliptic curve crypto

lightdsa

A Lightweight Digital Signature Algorithm Library for Python

sslcrypto

Simple ECIES, ECDSA and AES library for Python, supporting OpenSSL and pure-Python environments

electrumsv-secp256k1

Safest and fastest Python library for secp256k1 elliptic curve operations

btclib

btclib: a python3 library for 'bitcoin cryptography'

wolfcrypt

Python module that encapsulates wolfSSL's crypto engine API.

bipsea

Composable Python CLI for Bitcoin mnemonics and BIP-85 secrets

garl-protocol

GARL Protocol Python SDK — cryptographic verification for AI agent actions. Signed Action Receipts (v0.1), multi-dimensional Trust Vector, capability tokens (JWT-shaped + ECDSA-secp256k1 + Biscuit-style attenuation), UETA §10(b) undo. + garl-verify CLI. Starting with code.

ecutils

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

toyecc

Elliptic Curve Cryptography playground/toolkit written in pure Python

signforge-verify

Verify SignForge-signed PDFs offline — W3C VC, ECDSA P-256, Merkle proofs, JAdES JWS. Python 3.9+.

polysign

[Released] Polysign PIP module for Bismuth. Handles the various cryptographic primitives Bismuth Crypto currency supports.

libsecp256k1-0

Compiled libsecp256k1 for using ECDSA signatures and secret/public key cryptography in your python projects.

jws-algorithms

Implements the most common JWS algorithms to generate keys or sign and verify payloads without any other features that a JWT/JWS library might provide.

simplewallet

Simple Wallet is a minimalist Bitcoin wallet that lets you securely create Bitcoin addresses, sign messages, and validate addresses.

oscrypto-tests

Compiler-free Python crypto library backed by the OS, supporting CPython and PyPy

eccrypto

Pure Python library for Elliptic Curve Cryptography (ECC) — built from scratch with clarity and educational readability in mind

oscrypto-snowflake-patch

Compiler-free Python crypto library backed by the OS, supporting CPython and PyPy

mcps-secure

MCPS -- MCP Secure. Cryptographic identity, message signing, and trust verification for the Model Context Protocol.

ecdsa-break

Recover ECDSA private keys from biased-nonce signatures via LLL/BKZ lattice reduction