* ext/openssl: imported.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4128 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/openssl/lib/openssl/cipher.rb

@@ -0,0 +1,52 @@
+=begin
+= $RCSfile$ -- Ruby-space predefined Cipher 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
+  module Cipher
+    %w(AES Cast5 BF DES Idea RC2 RC4 RC5).each{|cipher|
+      eval(<<-EOD)
+        class #{cipher} < Cipher
+          def initialize(*args)
+            args = args.join('-')
+            if args.size == 0
+              super(\"#{cipher}\")
+            else
+              super(\"#{cipher}-#\{args\}\")
+            end
+          end
+        end
+      EOD
+    }
+
+    class Cipher
+      def random_key
+        str = OpenSSL::Random.random_bytes(self.key_len)
+        self.key = str
+        return str
+      end
+
+      def random_iv
+        str = OpenSSL::Random.random_bytes(self.iv_len)
+        self.iv = str
+        return str
+      end
+    end
+  end # Cipher
+end # OpenSSL