1 files changed, 18 insertions, 18 deletions
diff --git a/activesupport/lib/active_support/message_encryptor.rb b/activesupport/lib/active_support/message_encryptor.rb
index 51fa626b45..4f7cd12d48 100644
--- a/activesupport/lib/active_support/message_encryptor.rb
+++ b/activesupport/lib/active_support/message_encryptor.rb
@@ -2,12 +2,12 @@ require 'openssl'
 require 'active_support/base64'
 
 module ActiveSupport
-  # MessageEncryptor is a simple way to encrypt values which get stored somewhere 
+  # MessageEncryptor is a simple way to encrypt values which get stored somewhere
   # you don't trust.
-  # 
+  #
   # The cipher text and initialization vector are base64 encoded and returned to you.
   #
-  # This can be used in situations similar to the MessageVerifier, but where you don't
+  # This can be used in situations similar to the <tt>MessageVerifier</tt>, but where you don't
   # want users to be able to determine the value of the payload.
   class MessageEncryptor
     class InvalidMessage < StandardError; end
@@ -17,53 +17,53 @@ module ActiveSupport
       @secret = secret
       @cipher = cipher
     end
-    
+
     def encrypt(value)
       cipher = new_cipher
       # Rely on OpenSSL for the initialization vector
       iv = cipher.random_iv
-      
-      cipher.encrypt 
+
+      cipher.encrypt
       cipher.key = @secret
       cipher.iv  = iv
-      
-      encrypted_data = cipher.update(Marshal.dump(value)) 
+
+      encrypted_data = cipher.update(Marshal.dump(value))
       encrypted_data << cipher.final
 
       [encrypted_data, iv].map {|v| ActiveSupport::Base64.encode64s(v)}.join("--")
     end
-    
+
     def decrypt(encrypted_message)
       cipher = new_cipher
       encrypted_data, iv = encrypted_message.split("--").map {|v| ActiveSupport::Base64.decode64(v)}
-      
+
       cipher.decrypt
       cipher.key = @secret
       cipher.iv  = iv
 
       decrypted_data = cipher.update(encrypted_data)
       decrypted_data << cipher.final
-      
+
       Marshal.load(decrypted_data)
     rescue OpenSSLCipherError, TypeError
       raise InvalidMessage
     end
-    
+
     def encrypt_and_sign(value)
       verifier.generate(encrypt(value))
     end
-    
+
     def decrypt_and_verify(value)
       decrypt(verifier.verify(value))
     end
-    
-    
-    
-    private 
+
+
+
+    private
       def new_cipher
         OpenSSL::Cipher::Cipher.new(@cipher)
       end
-      
+
       def verifier
         MessageVerifier.new(@secret)
       end