Message Digest class
md5 = Digest::MD5.new
md5.update "1"
puts md5.hexdigest # => "c4ca4238a0b923820dcc509a6f75849b"
puts md5.hexdigest == md5.digest.bytes.map{|c| "%02x" % c}.join # => true
MRuby::Build.new do |conf|
...
conf.gem :github => 'qtkmz/mruby-digest-ffi'
...
end
The MIT License (MIT) Copyright (c) 2016 qtakamitsu