diff options
author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
commit | 0dc342de848a642ecce8db697b8fecd83a63e117 (patch) | |
tree | 2b7ed4724aff1f86073e4740134bda9c4aac1a39 /trunk/ext/openssl/lib/openssl/cipher.rb | |
parent | ef70cf7138ab8034b5b806f466e4b484b24f0f88 (diff) |
added tag v1_9_0_4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'trunk/ext/openssl/lib/openssl/cipher.rb')
-rw-r--r-- | trunk/ext/openssl/lib/openssl/cipher.rb | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/trunk/ext/openssl/lib/openssl/cipher.rb b/trunk/ext/openssl/lib/openssl/cipher.rb new file mode 100644 index 0000000000..290e9c1d2d --- /dev/null +++ b/trunk/ext/openssl/lib/openssl/cipher.rb @@ -0,0 +1,65 @@ +=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 + 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::Digest in the future. + class Cipher < Cipher + # add warning + end + end # Cipher +end # OpenSSL |