nahi	2012-11-29 22:24:42 +0900 (Thu, 29 Nov 2012)

  New Revision: 37994

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=37994

  Log:
    * test/openssl/test_cipher.rb (test_ctr_if_exists): add CTR mode test
      if underlying OpenSSL supports it.

  Modified files:
    trunk/ChangeLog
    trunk/test/openssl/test_cipher.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 37993)
+++ ChangeLog	(revision 37994)
@@ -1,3 +1,8 @@
+Thu Nov 29 22:23:31 2012  Hiroshi Nakamura  <nahi@r...>
+
+	* test/openssl/test_cipher.rb (test_ctr_if_exists): add CTR mode test
+  	  if underlying OpenSSL supports it.
+
 Thu Nov 29 21:42:16 2012  Shugo Maeda  <shugo@r...>
 
 	* vm_method.c (rb_method_entry_make): add a method entry with
Index: test/openssl/test_cipher.rb
===================================================================
--- test/openssl/test_cipher.rb	(revision 37993)
+++ test/openssl/test_cipher.rb	(revision 37994)
@@ -69,6 +69,21 @@
     assert_raise(RuntimeError) {OpenSSL::Cipher.allocate.final}
   end
 
+  def test_ctr_if_exists
+    begin
+      cipher = OpenSSL::Cipher.new('aes-128-ctr')
+      cipher.encrypt
+      cipher.pkcs5_keyivgen('password')
+      c = cipher.update('hello,world') + cipher.final
+      cipher.decrypt
+      cipher.pkcs5_keyivgen('password')
+      assert_equal('hello,world', cipher.update(c) + cipher.final)
+    rescue RuntimeError => e
+      # CTR is from OpenSSL 1.0.1, and for an environment that disables CTR; No idea it exists.
+      assert_match(/unsupported cipher algorithm/, e.message)
+    end
+  end
+
   if OpenSSL::OPENSSL_VERSION_NUMBER > 0x00907000
     def test_ciphers
       OpenSSL::Cipher.ciphers.each{|name|

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