JezK
Edit File: digest.rb
# frozen_string_literal: false #-- # = Ruby-space predefined Digest subclasses # # = Info # 'OpenSSL for Ruby 2' project # Copyright (C) 2002 Michal Rokos <m.rokos@sh.cvut.cz> # All rights reserved. # # = Licence # This program is licensed under the same licence as Ruby. # (See the file 'LICENCE'.) #++ module OpenSSL class Digest alg = %w(MD2 MD4 MD5 MDC2 RIPEMD160 SHA1 SHA224 SHA256 SHA384 SHA512) if OPENSSL_VERSION_NUMBER < 0x10100000 alg += %w(DSS DSS1 SHA) end # Return the hash value computed with _name_ Digest. _name_ is either the # long name or short name of a supported digest algorithm. # # === Examples # # OpenSSL::Digest.digest("SHA256", "abc") # # which is equivalent to: # # OpenSSL::Digest::SHA256.digest("abc") def self.digest(name, data) super(data, name) end alg.each{|name| klass = Class.new(self) { define_method(:initialize, ->(data = nil) {super(name, data)}) } singleton = (class << klass; self; end) singleton.class_eval{ define_method(:digest){|data| new.digest(data) } define_method(:hexdigest){|data| new.hexdigest(data) } } const_set(name, klass) } # Deprecated. # # This class is only provided for backwards compatibility. # Use OpenSSL::Digest instead. class Digest < Digest; end # :nodoc: deprecate_constant :Digest end # Digest # Returns a Digest subclass by _name_ # # require 'openssl' # # OpenSSL::Digest("MD5") # # => OpenSSL::Digest::MD5 # # Digest("Foo") # # => NameError: wrong constant name Foo def Digest(name) OpenSSL::Digest.const_get(name) end module_function :Digest end # OpenSSL