demo-cve-2022-21449

Demo Project: CVE-2022-21449 Vulnerability This project demonstrates the CVE-2022-21449 vulnerability, which affects Java's ECDSA signature verification. The vulnerability allows a malicious actor to bypass signature verification by using a signature with zero values r=0 and s=0. The project uses...

ECC_Attacks

Known Attacks On Elliptic Curve Cryptography Introduction Introduction To Elliptic Curves Elliptic Curves In The Context Of Cryptography ECC Attacks ECDH Attacks The Order Of The Generator Is Too Small The Order Of The Generator Is A Smooth Number The Order Of The Generator Is Almost A Smooth...

cve-2024-13176-timing-analysis

Instrumented Detection of Low-Amplitude ECDSA Timing Leakage in CVE-2024-13176 This repository contains the research report, website, data, source material, and reproducibility files for an independent study of CVE-2024-13176. The project looks at whether the nonce-related timing condition report...

certdepot

Certificate Depot A free online tool for generating self-signed SSL/TLS certificates in seconds. No signup required. Website: cert-depot.com Features Generate self-signed certificates with RSA 2048/4096 or ECDSA P-256/P-384 keys Download as ZIP PEM key + certificate or PFX PKCS12 Automatic SAN...

jfrog-CVE-2022-21449

CVE-2022-21449 Overview This tool allows to perform a quick scan of compiled code archives .jar, .war etc in order to check for vulnerability to CVE-2022-21449 by looking for the string indicating the use of ECDSA algorithm. The tool uses Python3 with no additional prerequisites. Usage python...

python-ecdsa

Pure-Python ECDSA and ECDH This is an easy-to-use implementation of ECC Elliptic Curve Cryptography with support for ECDSA Elliptic Curve Digital Signature Algorithm, EdDSA Edwards-curve Digital Signature Algorithm and ECDH Elliptic Curve Diffie-Hellman, implemented purely in Python, released und...

CVE-2022-21449-vuln-test

CVE-2022-21449 Vulnerability tester Introduction There's a new CVE-2022-21449 that had bug in ECDSA signature verification. It's one of the algorithms used with JWT for example. Citing the blog post If you have deployed Java 15, Java 16, Java 17, or Java 18 in production then you should stop what...

CVE-2024-42461

Solution for ECDSA and EDDSA Signature Verification Problems Description Problems have been identified in the verification of ECDSA and EDDSA signatures in the Wycheproof project. Missing checks during the signature decoding stage allow adding or removing zero bytes, which affects the ability to...

PoC_CurveBall

CVE-2020-0601 - CurveBall Highlights PoC for CVE-2020-0601 Trivial solution for private-key of 1 Non-trivial solution for 1 private-key curve-order Written in C, uses OpenSSL's libcrypto Requirements Linux of some variety apt install libssl libssl-dev Or whatever package mananger you use Compilin...

CVE-2020-0601

CVE-2020-0601 PoC for CVE-2020-0601- Windows CryptoAPI Crypt32.dll POC: https://github.com/ollypwn/CurveBall On kali: 1.Make PKCS12 file openssl req -new -x509 -key spoofedca.key -out spoofedca.crt openssl ecparam -name secp384r1 -genkey -noout -out Microsoft.key openssl req -new -key Microsoft.k...

CVE-2023-33242

CVE-2023-33242 CVE-2023-33242 PoC The simulated Lindell17 protocol is vulnerable to a bit extraction exploit, allowing an attacker to recover the private key by iteratively extracting individual bits of the key. The protocol is designed to generate ECDSA signatures in a client-server model, with...

Digital-Signature-Forgery-Attack

In this article, we will look at the cryptographic attack of digital signature forgery Digital Signature Forgery Attack, its consequences pose a threat to the security of transactions in the Bitcoin network, since digital signatures confirm the ownership and authorization of cryptocurrency...

CurveBall

CurveBall CVE-2020-0601 - PoC CVE-2020-0601: Also known as CurveBall or ChainOffFools, is a vulnerability in the Microsoft CryptoApi specificly in Crypt32.dll where elliptic curve signatures ECDSA of certificates is not correctly verified. There is a very nice blog post here which explains the...

scallion

Actualización del proyecto 2020 Scallion fue un proyecto hobby para aprender OpenCL y RSA. Actualmente no mantenemos scallion. Se ha deteriorado de dos maneras importantes: 1. Tor ha migrado a direcciones Onion v3, las cuales scallion no soporta. Las direcciones v2 antiguas dejarán de funcionar e...

python-ecdsa

ECDSA ed ECDH in puro Python Questa è un'implementazione facile da usare di ECC Elliptic Curve Cryptography con supporto per ECDSA Elliptic Curve Digital Signature Algorithm, EdDSA Edwards-curve Digital Signature Algorithm ed ECDH Elliptic Curve Diffie-Hellman, implementata interamente in Python,...

ecdsa-private-key-recovery

ecdsa-key-recovery Perform ECDSA and DSA Nonce Reuse private key recovery attacks A cryptographic research tool for analyzing signature vulnerabilities Let's recover the private-key for two signatures sharing the same nonce k. Note how choosing the same nonce k results in both signatures having a...

paranoid_crypto

Project Paranoid Overview Paranoid project checks for well known weaknesses on cryptographic artifacts such as public keys, digital signatures and general pseudorandom numbers. This library contains implementations and optimizations of existing work found in the literature. The existing work show...

CVE-2022-21449

CVE 2022 21449 python implementation This project allows you to: Plot an elliptic curve with desired parameters, over a finite field or not Generate a key pair from a given elliptic curve Encrypt / Decrypt a message via ECIES Sign / verify using ECDSA Simulate an exploitation of CVE 2022 21449 Fi...

ecdsa-private-key-recovery

ecdsa-key-recovery Perform ECDSA and DSA Nonce Reuse private key recovery attacks A cryptographic research tool for analyzing signature vulnerabilities Let's recover the private-key for two signatures sharing the same nonce k. Note how choosing the same nonce k results in both signatures having a...

hsm

zhsm A Hardware Security Module HSM library for Zig providing PC/SC access to PIV , CAC , and YubiKey tokens. Status Aspect| Info ---|--- API Stability| Development Zig Version| 0.16.0 Platforms| Linux, macOS, Windows License| MIT Features PIV Support NIST SP 800-73-4 Certificate retrieval slots...