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

btclib

btclib: a python3 library for 'bitcoin cryptography'

electrumsv-secp256k1

Safest and fastest Python library for secp256k1 elliptic curve operations

wolfcrypt

A Python wrapper that encapsulates wolfSSL's wolfCrypt API.

bipsea

Composable Python CLI for Bitcoin mnemonics and BIP-85 secrets.

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.

garl-protocol

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. 28 MCP tools. A2A v1.0 + ERC-8004 format compatible. Starting with code.

toyecc

Elliptic Curve Cryptography playground/toolkit written in pure Python

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.

simplewallet

Simple wallet for Bitcoin.

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.

eccrypto

A pure Python library for Elliptic Curve Cryptography (ECC)

ecdsa-break

Breaking ECDSA (not so broken) with LLL

eccryptography

Elliptic Curve Cryptography for public key encryption and ECDSA. Elliptic Cryptography Diffie Hellman Key Exchange with AES algorithms are implmented as well as Sha512

oscrypto-tests

Test suite for oscrypto, separated due to file size

mcps-secure

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

mcp-secure

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