pysigning

Python library and CLI scripts for signing and verifying data

Install

pip3 install -U pysigning

Usage

Generate a random signing key for testing

# generate private key as "sign.key"
openssl genrsa -out sign.key 2048

# get private key's public key as "sign.crt"
openssl rsa -in sign.key -pubout -out sign.crt

CLI

Generate a signature for the file LICENSE using the private key sign.key

$ pysigning sign @LICENSE --key sign.key
gdFNOO9cwpYXWv9TfulFauNQ5S1WXXIQAuXC4qQB9vyOMhZW0hOl0fvyyHC1pNzZAOrpUNEoQuvvs6w2r0TdzcMsA_finu5RVVzzko4kQuOWM6Tw3CX6ln82h8z2gWyKRhIC71pScpy7MJO8IEFBBPqQbR5NDFvGVh9F69S3pVZzf4xqrkcBBWoJr2DjD-VFQ6S5hFA0PQ685cDY26hB07MWoLVHFz5jyqDfDmGqNRb5bY7fUzmJCdY5wdLExrrJQJaZhU9Ak_HAA3zsmvy0OSRTNJY7BIwVdopQ_dN-CdTLQgsoEfqpvLVp6HLRuZWhftnMlkmq0vTypgh24kYyCg==

Verify the signature of the file LICENSE using the public key sign.crt

$ pysigning sign @LICENSE --key sign.key | pysigning verify @LICENSE - --key sign.crt
True

Library

import pysigning

# Generate a signature for the file `LICENSE` using the private key `sign.key`
sig = pysigning.sign('@LICENSE', key="sign.key")
print(sig)

# Verify the signature of the file `LICENSE` using the public key `sign.crt`
assert pysigning.verify('@LICENSE', sig, key="sign.crt")

License

MIT

Contact

A library by Shawn Presser. If you found it useful, please consider joining my patreon!

My Twitter DMs are always open; you should send me one! It's the best way to reach me, and I'm always happy to hear from you.

• Twitter: @theshawwn
• Patreon: https://www.patreon.com/shawwn
• HN: sillysaurusx
• Website: shawwn.com