2005-01-11 Sebastien Pouliot <sebastien@ximian.com>

[mono.git] / mcs / class / corlib / System.Security.Cryptography / RSAPKCS1KeyExchangeFormatter.cs

diff --git a/mcs/class/corlib/System.Security.Cryptography/RSAPKCS1KeyExchangeFormatter.cs b/mcs/class/corlib/System.Security.Cryptography/RSAPKCS1KeyExchangeFormatter.cs
index c802c6dc6be003dce68559998958b01f928597ee..e87d4edee9fb2359ccf47dc6bca11d3b85df070e 100644 (file)
--- a/mcs/class/corlib/System.Security.Cryptography/RSAPKCS1KeyExchangeFormatter.cs
+++ b/mcs/class/corlib/System.Security.Cryptography/RSAPKCS1KeyExchangeFormatter.cs
@@ -2,72 +2,86 @@
 // RSAPKCS1KeyExchangeFormatter.cs: Handles PKCS#1 v.1.5 keyex encryption.
 //
 // Author:
-//     Sebastien Pouliot (spouliot@motus.com)
+//     Sebastien Pouliot <sebastien@ximian.com>
 //
 // (C) 2002 Motus Technologies Inc. (http://www.motus.com)
+// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
 
-using System;
-using System.Security.Cryptography;
-
-namespace System.Security.Cryptography
-{
-
-// LAMESPEC: There seems no way to select a hash algorithm. The default 
-// algorithm, is SHA1 because the class use the PKCS1MaskGenerationMethod -
-// which default to SHA1.
-public class RSAPKCS1KeyExchangeFormatter: AsymmetricKeyExchangeFormatter
-{
-       private RSA rsa;
-       private RandomNumberGenerator random;
-
-       public RSAPKCS1KeyExchangeFormatter ()
-       {
-       }
-
-       public RSAPKCS1KeyExchangeFormatter (AsymmetricAlgorithm key)
-       {
-               SetKey (key);
-       }
-
-       public RandomNumberGenerator Rng 
-       {
-               get { return random; }
-               set { random = value; }
-       }
-
-       public override string Parameters 
-       {
-               get { return "<enc:KeyEncryptionMethod enc:Algorithm=\"http://www.microsoft.com/xml/security/algorithm/PKCS1-v1.5-KeyEx\" xmlns:enc=\"http://www.microsoft.com/xml/security/encryption/v1.0\" />"; }
-       }
-
-       public override byte[] CreateKeyExchange (byte[] rgbData)
-       {
-               if (rsa == null)
-                       throw new CryptographicException ();
-               if (random == null)
-                       random = RandomNumberGenerator.Create ();  // create default
-               return PKCS1.Encrypt_v15 (rsa, random, rgbData);
-       }
+using System.Globalization;
+using Mono.Security.Cryptography;
 
-       public override byte[] CreateKeyExchange (byte[] rgbData, Type symAlgType)
+namespace System.Security.Cryptography {
+       
+       // LAMESPEC: There seems no way to select a hash algorithm. The default 
+       // algorithm, is SHA1 because the class use the PKCS1MaskGenerationMethod -
+       // which default to SHA1.
+       public class RSAPKCS1KeyExchangeFormatter: AsymmetricKeyExchangeFormatter
        {
-               // documentation says that symAlgType is not used !?!
-               // FIXME: must be the same as previous method ?
-               return CreateKeyExchange (rgbData);
-       }
-
-       public override void SetKey (AsymmetricAlgorithm key)
-       {
-               if (key != null) {
-                       if (key is RSA) {
-                               rsa = (RSA)key;
+               private RSA rsa;
+               private RandomNumberGenerator random;
+       
+               public RSAPKCS1KeyExchangeFormatter ()
+               {
+               }
+       
+               public RSAPKCS1KeyExchangeFormatter (AsymmetricAlgorithm key)
+               {
+                       SetKey (key);
+               }
+       
+               public RandomNumberGenerator Rng {
+                       get { return random; }
+                       set { random = value; }
+               }
+       
+               public override string Parameters {
+                       get { return "<enc:KeyEncryptionMethod enc:Algorithm=\"http://www.microsoft.com/xml/security/algorithm/PKCS1-v1.5-KeyEx\" xmlns:enc=\"http://www.microsoft.com/xml/security/encryption/v1.0\" />"; }
+               }
+       
+               public override byte[] CreateKeyExchange (byte[] rgbData)
+               {
+                       if (rgbData == null)
+                               throw new ArgumentNullException ("rgbData");
+#if NET_2_0
+                       if (rsa == null) {
+                               string msg = Locale.GetText ("No RSA key specified");
+                               throw new CryptographicUnexpectedOperationException (msg);
                        }
-                       else
-                               throw new InvalidCastException ();
+#endif
+                       if (random == null)
+                               random = RandomNumberGenerator.Create ();  // create default
+                       return PKCS1.Encrypt_v15 (rsa, random, rgbData);
+               }
+       
+               public override byte[] CreateKeyExchange (byte[] rgbData, Type symAlgType)
+               {
+                       // documentation says that symAlgType is not used !?!
+                       return CreateKeyExchange (rgbData);
+               }
+       
+               public override void SetKey (AsymmetricAlgorithm key)
+               {
+                       rsa = (RSA) key;
                }
-               // here null is accepted!
        }
 }
-
-}