baweaver / digest-sip_hash

An implementation of SipHash 1-3 and 2-4 in pure Ruby.

Digest::SipHash

A pure Ruby implementation of SipHash 1-3 and 2-4.

Installation

gem install digest-sip_hash

Usage Examples

The default key is 16 null bytes. Use SecureRandom.bytes 16 to generate a random key.

Digest::SipHash.new.hexdigest ''
#=> "d1fba762150c532c"

Digest::SipHash.new(key: 16.times.map(&:chr).join).hexdigest ''
#=> "abac0158050fc4dc"

Digest::SipHash.new(1, 3).hexdigest ''
#=> "d1fba762150c532c"

Digest::SipHash13.hexdigest ''
#=> "d1fba762150c532c"

Digest::SipHash.new(2, 4).hexdigest ''
#=> "1e924b9d737700d7"

Digest::SipHash24.hexdigest ''
#=> "1e924b9d737700d7"

C-Extension Alternative

digest-siphash

Requirements

Ruby 2.5+

License

MIT