The pure python impl of the slh-das algorithm(based on fips205).
Project description
SLH-DSA
The SLH-DSA project implements the stateless-hash digital signing algorithm(standardizing fips 205, adopted on Sphincs-Plus algorithm) in pure Python.
This project offers those future:
- :beers: Zero dependencies;
- :label: 100% type hint for all the codes;
- :white_check_mark: Extreme good 98% test coverage;
- :bookmark: This project doesn't use any c-extension so it can be run in any version of Python or any kind of system.
- :tada: More futures coming soon!
The functionality is extremely simple to use, as demonstrated by the following example:
from slhdsa import KeyPair, shake_256f, PublicKey
kp = KeyPair.gen(shake_256f) # generate the keypair
sig = kp.sign(b"Hello World!") # sign the message
kp.verify(b"Hello World!", sig) # -> True
kp.verify(b"Hello World!", b"I'm the hacker!") # -> False
kp.verify(b"hello world!", sig) # -> False
sig = kp.sign(b"Hello World!", randomize = True) # sign the message randomized
kp.verify(b"Hello World!", sig) # -> True
digest = kp.pub.digest() # generate the digest of the public key so that other device could verify the sign
pub = PublicKey.from_digest(digest) # generate public key
pub.verify(b"Hello World!", sig) # -> True
pub.verify(b"Hello World", sig) # -> False
Copyright
Copyright(c) Colinxu2020 2024 All Rights Reserved.
This software is licensed under GNU Lesser General Public License Version 3 or later(on your option).
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