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backdoor-ecdsa

backdoored ECDSA signatures yum!

bitcoin-sighash-scan

An educational tool to scan for SIGHASH_SINGLE vulnerable addresses on the blockchain using bitcoin-core

bitcoinexprcracker

Este projeto é fruto de um estudo pessoal sobre o algoritmo Secp256k1. O objetivo dele é conseguir obter, usando apenas os valores da chave pública, o valor correto da chave privada.

blog

Blog posts

cryptodeeptools

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

ecdsa-polynomial-nonce-recurrence-attack

kangaroo

Pollard's kangaroo for SECPK1

lostwallets

Find passwords from wallet.dat get 50% balance

rsz

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

ssl-tls-ecdsa-timing-attack

Timing Attack on TLS' ECDSA signature

twist-attack

In this article, we will implement a Twist Attack with an example and show how, using certain points on the secp256k1 elliptic curve, we can get partial private key values ​​and restore a Bitcoin Wallet within 5-15 minutes using “Sagemath pollard rho function: (discrete_log_rho)” and “ Chinese Remainder Theorem” .

twist-attack-sub-group-attack

Twist and SubGroup attack on the ECDSA SECP256k1