keccak 1.2.1
Install from the command line:
Learn more about RubyGems packages
$ gem install keccak --version "1.2.1"
Install via Gemfile:
source "https://rubygems.pkg.github.com/q9f" do
gem "keccak", "1.2.1"
end
About this version
The Keccak (SHA-3) hash use by Ethereum. This does not implement the final FIPS202 standard, today known as SHA3 but rather an early version, commonly referred to as Keccak.