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

OPEM (Open Source PEM Fuel Cell Simulation Tool)

PEM file parsing in Python.

A tool that makes it easy to work with and convert between cryptographic key formats

Simple OpenSSL for humans: all you need for X.509 TLS certificates (and nothing more).

Resolve the certificate chains (leaf, intermediate, and the root) for x509 certificates using the CLI or Python API. It supports PEM, DER, and PKCS7 formats and custom root certificate stores.

A simple PEM to PKCS12 conversion utility written in Python

SSH Config JSON is dumping JSON for your ssh config include IdentityFiles and restoring those.

Python CLI that dumps TLS certificate chain in base64 (pem) format

Write up for a problem I solved for the 2021 Fall NCL. In this problem you were given a PEM file with large sections of the data redacted. The goal was to reconstruct the PEM file using data was not redacted.

Check single file or directory for X509 PEM certificates and output certificate details

A python script that takes a series of certificates as input and checks signatures after printing a summary for each one.

Convert DER files to Zeek SSL::root_certs

A tool to convert TLS/SSL certificates to different formats