Fix problems with overlong directory names: phase #1

[mono.git] / mcs / class / corlib / System.Security.Cryptography / RSAPKCS1SignatureDeformatter.cs

diff --git a/mcs/class/corlib/System.Security.Cryptography/RSAPKCS1SignatureDeformatter.cs b/mcs/class/corlib/System.Security.Cryptography/RSAPKCS1SignatureDeformatter.cs
index a0c7d00c5ffb0aca1690d01b13f525679810f5d4..ef33e1366fa9f45be5c6ddb1ab8bc81f6f18026a 100644 (file)
--- a/mcs/class/corlib/System.Security.Cryptography/RSAPKCS1SignatureDeformatter.cs
+++ b/mcs/class/corlib/System.Security.Cryptography/RSAPKCS1SignatureDeformatter.cs
@@ -2,68 +2,88 @@
 // RSAPKCS1SignatureDeformatter.cs - Handles PKCS#1 v.1.5 signature decryption.
 //
 // Author:
-//     Sebastien Pouliot (spouliot@motus.com)
+//     Sebastien Pouliot <sebastien@ximian.com>
 //
-// (C) 2002 Motus Technologies Inc. (http://www.motus.com)
+// (C) 2002, 2003 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.Globalization;
+using System.Runtime.InteropServices;
+using Mono.Security.Cryptography;
 
 namespace System.Security.Cryptography { 
-
-public class RSAPKCS1SignatureDeformatter : AsymmetricSignatureDeformatter {
-
-       private RSA rsa;
-       private HashAlgorithm hash;
-
-       public RSAPKCS1SignatureDeformatter () 
-       {
-               rsa = null;
-       }
-
-       public RSAPKCS1SignatureDeformatter (AsymmetricAlgorithm key) 
-       {
-               SetKey (key);
-       }
-
-       public override void SetHashAlgorithm (string strName) 
-       {
-               hash = HashAlgorithm.Create (strName);
-       }
-
-       public override void SetKey (AsymmetricAlgorithm key) 
-       {
-               if (key != null) {
-                       if (key is RSA) {
-                               rsa = (RSA)key;
-                       }
-                       else
-                               throw new InvalidCastException ();
+       
+#if NET_2_0
+       [ComVisible (true)]
+#endif
+       public class RSAPKCS1SignatureDeformatter : AsymmetricSignatureDeformatter {
+       
+               private RSA rsa;
+               private string hashName;
+       
+               public RSAPKCS1SignatureDeformatter ()
+               {
                }
-               // here null is accepted!
-       }
-
-       [MonoTODO()]
-       public override bool VerifySignature (byte[] rgbHash, byte[] rgbSignature) 
-       {
-               if ((rsa == null) || (hash == null))
-                       throw new CryptographicUnexpectedOperationException ();
-               if ((rgbHash == null) || (rgbSignature == null))
-                       throw new ArgumentNullException ();
-               // TODO
-               return false;
-       }
+       
+               public RSAPKCS1SignatureDeformatter (AsymmetricAlgorithm key) 
+               {
+                       SetKey (key);
+               }
+       
+               public override void SetHashAlgorithm (string strName) 
+               {
+                       if (strName == null)
+                               throw new ArgumentNullException ("strName");
+                       hashName = strName;
+               }
+       
+               public override void SetKey (AsymmetricAlgorithm key) 
+               {
+#if NET_2_0
+                       if (key == null)
+                               throw new ArgumentNullException ("key");
+#else
+                       // 1.0/1.1 accepted null without an ArgumentNullException!
+#endif
+                       rsa = (RSA) key;
+               }
+       
+               public override bool VerifySignature (byte[] rgbHash, byte[] rgbSignature) 
+               {
+                       if (rsa == null) {
+                               throw new CryptographicUnexpectedOperationException (
+                                       Locale.GetText ("No public key available."));
+                       }
+                       if (hashName == null) {
+                               throw new CryptographicUnexpectedOperationException (
+                                       Locale.GetText ("Missing hash algorithm."));
+                       }
+                       if (rgbHash == null)
+                               throw new ArgumentNullException ("rgbHash");
+                       if (rgbSignature == null)
+                               throw new ArgumentNullException ("rgbSignature");
 
-       [MonoTODO()]
-       public override bool VerifySignature (HashAlgorithm hash, byte[] rgbSignature) 
-       {
-               if ((hash == null) || (rgbSignature == null))
-                       throw new ArgumentNullException ();
-               if ((rsa == null) || (hash == null))
-                       throw new CryptographicUnexpectedOperationException ();
-               // TODO
-               return false;
+                       return PKCS1.Verify_v15 (rsa, HashAlgorithm.Create (hashName), rgbHash, rgbSignature);
+               }
        }
 }
-
-}