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

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

Lattice ECDSA attack

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

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

btclib: a python3 library for 'bitcoin cryptography'

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

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

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

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

Breaking ECDSA (not so broken) with LLL

Elliptic Curve Cryptography playground/toolkit written in pure Python

ECDSA nonce-reuse attack to recover a private key.

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

Minimalistic implementation of a Verifiable (t, n) threshold signature scheme based on elliptic curve with python.