[corlib] Parse datetime string using culture calendar. Fixes #18052

[mono.git] / mcs / class / corlib / System.Security.Cryptography / RSAPKCS1KeyExchangeDeformatter.cs

diff --git a/mcs/class/corlib/System.Security.Cryptography/RSAPKCS1KeyExchangeDeformatter.cs b/mcs/class/corlib/System.Security.Cryptography/RSAPKCS1KeyExchangeDeformatter.cs
index ae21654fb3ba5b9f650cd39fb020175f80c0e855..163fd303d4bfefb8e8bce17706e3913380e120ce 100644 (file)
--- a/mcs/class/corlib/System.Security.Cryptography/RSAPKCS1KeyExchangeDeformatter.cs
+++ b/mcs/class/corlib/System.Security.Cryptography/RSAPKCS1KeyExchangeDeformatter.cs
@@ -2,77 +2,80 @@
 // RSAPKCS1KeyExchangeDeformatter.cs - Handles PKCS#1 v.1.5 keyex decryption.
 //
 // Author:
-//     Sebastien Pouliot (spouliot@motus.com)
+//     Sebastien Pouliot <sebastien@ximian.com>
 //
 // (C) 2002 Motus Technologies Inc. (http://www.motus.com)
+// Copyright (C) 2004-2006 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.Globalization;
+using System.Runtime.InteropServices;
+using Mono.Security.Cryptography;
 
 namespace System.Security.Cryptography { 
 
-public class RSAPKCS1KeyExchangeDeformatter : AsymmetricKeyExchangeDeformatter {
-
-       private RSA rsa;
-       private string param;
-       private RandomNumberGenerator random;
-
-       public RSAPKCS1KeyExchangeDeformatter () 
-       {
-               rsa = null;
-       }
-
-       public RSAPKCS1KeyExchangeDeformatter (AsymmetricAlgorithm key) 
-       {
-               SetKey (key);
-       }
-
-       public override string Parameters {
-               get { return param; }
-               set { param = value; }
-       }
-
-       public RandomNumberGenerator RNG {
-               get { return random; }
-               set { random = value; }
-       }
-
-       public override byte[] DecryptKeyExchange (byte[] rgbData) 
-       {
-               if (rsa == null)
-                       throw new CryptographicException ();
-               byte[] mask = rsa.DecryptValue (rgbData);
-               // it's normal if length = expected length - 1
-               // because the first byte is 0x00 and, as such, is ignored
-               // as a BigInteger
-               // First byte will be 0x02 (because 0x00 was ignored by BigInteger)
-               if (mask[0] != 0x02)
-                       return null;
-               // Next will be nonzero random octets(at least 8 bytes)
-               // 0x00 marker
-               int i = 1;
-               for (; i < mask.Length; i++) {
-                       if (mask[i] == 0x00)
-                               break;
+       [ComVisible (true)]
+       public class RSAPKCS1KeyExchangeDeformatter : AsymmetricKeyExchangeDeformatter {
+       
+               private RSA rsa;
+//             private string param;
+               private RandomNumberGenerator random;
+       
+               public RSAPKCS1KeyExchangeDeformatter () 
+               {
                }
-               byte[] secret = null;
-               // Last bytes will be the secret
-               if (mask[i] == 0x00) {
-                       int len = mask.Length - i;
-                       secret = new byte [len];
-                       Array.Copy (mask, i, secret, 0, len);
+       
+               public RSAPKCS1KeyExchangeDeformatter (AsymmetricAlgorithm key) 
+               {
+                       SetKey (key);
                }
-               return secret;
-       }
+       
+               public override string Parameters {
+                       get { return null; }
+                       set { ; }
+               }
+       
+               public RandomNumberGenerator RNG {
+                       get { return random; }
+                       set { random = value; }
+               }
+       
+               public override byte[] DecryptKeyExchange (byte[] rgbIn) 
+               {
+                       if (rsa == null) {
+                               throw new CryptographicUnexpectedOperationException (
+                                       Locale.GetText ("No key pair available."));
+                       }
 
-       public override void SetKey (AsymmetricAlgorithm key) 
-       {
-               if (key is RSA) {
+                       byte[] result = PKCS1.Decrypt_v15 (rsa, rgbIn);
+                       if (result != null)
+                               return result;
+
+                       throw new CryptographicException (Locale.GetText ("PKCS1 decoding error."));
+               }
+       
+               public override void SetKey (AsymmetricAlgorithm key) 
+               {
                        rsa = (RSA)key;
                }
-               else
-                       throw new CryptographicException ();
        }
 }
-
-}