1 files changed, 65 insertions, 0 deletions
diff --git a/ruby_1_9_3/ext/openssl/lib/openssl/cipher.rb b/ruby_1_9_3/ext/openssl/lib/openssl/cipher.rb
new file mode 100644
index 0000000000..eb146fb552
--- /dev/null
+++ b/ruby_1_9_3/ext/openssl/lib/openssl/cipher.rb
@@ -0,0 +1,65 @@
+#--
+#
+# $RCSfile$
+#
+# = 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
+# $Id$
+#
+#++
+
+module OpenSSL
+  class Cipher
+    %w(AES CAST5 BF DES IDEA RC2 RC4 RC5).each{|name|
+      klass = Class.new(Cipher){
+        define_method(:initialize){|*args|
+          cipher_name = args.inject(name){|n, arg| "#{n}-#{arg}" }
+          super(cipher_name)
+        }
+      }
+      const_set(name, klass)
+    }
+
+    %w(128 192 256).each{|keylen|
+      klass = Class.new(Cipher){
+        define_method(:initialize){|mode|
+          mode ||= "CBC"
+          cipher_name = "AES-#{keylen}-#{mode}"
+          super(cipher_name)
+        }
+      }
+      const_set("AES#{keylen}", klass)
+    }
+
+    # Generate, set, and return a random key.
+    # You must call cipher.encrypt or cipher.decrypt before calling this method.
+    def random_key
+      str = OpenSSL::Random.random_bytes(self.key_len)
+      self.key = str
+      return str
+    end
+
+    # Generate, set, and return a random iv.
+    # You must call cipher.encrypt or cipher.decrypt before calling this method.
+    def random_iv
+      str = OpenSSL::Random.random_bytes(self.iv_len)
+      self.iv = str
+      return str
+    end
+
+    # This class is only provided for backwards compatibility.  Use OpenSSL::Cipher in the future.
+    class Cipher < Cipher
+      # add warning
+    end
+  end # Cipher
+end # OpenSSL