This README is the one indexed from the repository at its latest ref, not from the tag for this version.

keccak.cr

Crystal implementation of Keccak (SHA-3).

Based on PHP implementation by kornrunner.

Installation

Add this to your application's shard.yml:

dependencies:
  keccak:
    github: light-side-software/keccak.cr

Usage

require "keccak"

Keccak.hash("", 224)
# f71837502ba8e10837bdd8d365adb85591895602fc552b48b7390abd

Keccak.hash("", 256)
# c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470

Keccak.hash("", 384)
# 2c23146a63a29acf99e73b88f8c24eaa7dc60aa771780ccc006afbfa8fe2479b2dd2b21362337441ac12b515911957ff

Keccak.hash("", 512)
# 0eab42de4c3ceb9235fc91acffe746b29c29a8c366b7c60e4e67c466f36a4304c00fa9caf9d87976ba469bcbe06713b435f091ef27

Keccak.shake("", 128, 256)
# 7f9c2ba4e88f827d616045507605853ed73b8093f6efbc88eb1a6eacfa66ef26

Keccak.shake("", 256, 512)
# 46b9dd2b0ba88d13233b3feb743eeb243fcd52ea62b81b82b50c27646ed5762fd75dc4ddd8c0f200cb05019d67b592f6fc821c49479ab48640292eacb3b7c4be

Contributing

1. Fork it (https://github.com/light-side-software/keccak.cr/fork)
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

Contributors

• Tamás Szekeres - creator, maintainer