pure-python ECDSA signature/verification and ECDH key agreement

A simple library to recover the private key of ECDSA and DSA signatures sharing the same nonce k and therefore having identical signature parameter r

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

Python library for fast elliptic curve crypto

TLS implementation in pure python, focused on interoperability testing

Safest and fastest Python library for secp256k1 elliptic curve operations

Lattice ECDSA attack

btclib: a python3 library for 'bitcoin cryptography'

A tool that recovers the public key used to sign JWT tokens

Algorithms to re-compute a private key, to fake signatures and some other funny things with Bitcoin.

Retrieve ECDSA signature R,S,Z values from blockchain rawtx or txid.

Python code to implement various number theory, elliptic curve and finite field computations.

This repository implements a Python function that recovers the private key from two different signatures that use the same random nonce during signature generation.

Breaking ECDSA (not so broken) with LLL

Proof of concept of bitcoin private key recovery using weak ECDSA signatures

Elliptic Curve Cryptography playground/toolkit written in pure Python

ECDSA nonce-reuse attack to recover a private key.

A Python package for Elliptic Curve Cryptography (ECC), supporting ElGamal, ECDH and ECDSA.

ecdsattack is a package which retrieves private keys from faulted ECDSA signatures.