summaryrefslogtreecommitdiff
path: root/ext/openssl/lib/openssl/digest.rb
blob: 7da80f23cfc159417649d5b138522e5e3b5b541a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
=begin
= $RCSfile$ -- 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 licenced under the same licence as Ruby.
  (See the file 'LICENCE'.)

= Version
  $Id$
=end

##
# Should we care what if somebody require this file directly?
#require 'openssl'

module OpenSSL
  class Digest

    alg = %w(DSS DSS1 MD2 MD4 MD5 MDC2 RIPEMD160 SHA SHA1)
    if OPENSSL_VERSION_NUMBER > 0x00908000
      alg += %w(SHA224 SHA256 SHA384 SHA512)
    end

    def self.digest(name, data)
        super(data, name)
    end

    alg.each{|name|
      klass = Class.new(Digest){
        define_method(:initialize){|*data|
          if data.length > 1
            raise ArgumentError,
              "wrong number of arguments (#{data.length} for 1)"
          end
          super(name, data.first)
        }
      }
      singleton = (class << klass; self; end)
      singleton.class_eval{
        define_method(:digest){|data| Digest.digest(name, data) }
      }
      const_set(name, klass)
    }

    # This class is only provided for backwards compatibility.  Use OpenSSL::Digest in the future.
    class Digest < Digest
      def initialize(*args)
        # add warning
        super(*args)
      end
    end

  end # Digest
end # OpenSSL