RSA attack tool (mainly for ctf) - retrieve private key from weak public key and/or uncipher data

SSH server & client security auditing (banner, key exchange, encryption, mac, compression, compatibility, security, etc)

Python ASN.1 library with a focus on performance and a pythonic API

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

D(HE)ater is a proof of concept implementation of the D(HE)at attack (CVE-2002-20001) through which denial-of-service can be performed by enforcing the Diffie-Hellman key exchange. (read-only clone…

Continuously monitor and record the content of the major platforms' root certificate stores.

Python library for validating X.509 certificates and paths

CryptoLyzer is a fast, flexible and comprehensive server cryptographic protocol (TLS, SSL, SSH, DNSSEC) and related setting (HTTP headers, DNS records) analyzer and fingerprint (JA3, HASSH tag) gen…

Cryptographic protocol and security-related protocol piece parser (read-only clone of the original GitLab project)

Cryptography-related data repository with Python wrapper (read-only clone of the original GitLab project)