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

btclib-secp256k1

Python bindings to libsecp256k1

sslcrypto

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

lightdsa

A Lightweight Digital Signature Algorithm Library for Python

coincurve-cp314-fix

Safest and fastest Python library for secp256k1 elliptic curve operations

btclib

A Python library for 'bitcoin cryptography'

btclib-ecc

Elliptic-curve arithmetic and the schemes built on it, multi-curve, accelerated by libsecp256k1 on secp256k1

btclib-libsecp256k1

Python bindings to libsecp256k1

wolfcrypt

A Python wrapper that encapsulates wolfSSL's wolfCrypt API.

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.

bipsea

Composable Python CLI for Bitcoin mnemonics and BIP-85 secrets

electrumsv-secp256k1

Safest and fastest Python library for secp256k1 elliptic curve operations

cryptoexp

Dependency-free Python toolkit for crypto CTF and real-world crypto assessment: LLL/Coppersmith (univariate, bivariate, linearization), RSA/DSA/ECDSA attacks, CRC/LFSR, PRNG recovery, ADFGX/ADFGVX, three-state verification. 零依赖的 Python 密码学 CTF 与实战评估工具箱：格与 Coppersmith、RSA/签名攻击、CRC/LFSR、PRNG 恢复、古典密码、三态验证。

x509kit

Pure-Python X.509 toolkit. Zero dependencies (stdlib only).

insumer-verify

Verifier for InsumerAPI attestations and trust profiles, for Node.js and Python. ECDSA P-256 and ML-DSA-65 signatures, condition hashes, block freshness, expiry. Same checks, same test vectors, npm and PyPI.

ecdsa-break

Breaking ECDSA (not so broken) with LLL

eccrypto

A pure Python library for Elliptic Curve Cryptography (ECC)

garl-protocol

Cryptographic verification for AI agent actions — ECDSA-secp256k1 + RFC 6979 signed Action Receipts (v0.1), multi-dimensional Trust Vector, capability tokens (JWT-shaped + Biscuit-style attenuation), UETA §10(b) undo. 29 MCP tools. A2A v1.0 + ERC-8004 format compatible. Receipt-batch Merkle roots anchored on Base mainnet. Starting with code.

oscrypto-tests

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

polysign

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