//
// System.Security.Cryptography AsymmetricSignatureDeformatter Class implementation
//
// Authors:
//   Thomas Neidhart (tome@sbox.tugraz.at)
//
// 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.Runtime.InteropServices;

namespace System.Security.Cryptography {
	
#if NET_2_0
	[ComVisible (true)]
#endif
	public abstract class AsymmetricSignatureDeformatter {
		
		public AsymmetricSignatureDeformatter ()
		{
		}
		
		public abstract void SetHashAlgorithm (string strName);		
		
		public abstract void SetKey (AsymmetricAlgorithm key);
		
		public abstract bool VerifySignature (byte[] rgbHash, byte[] rgbSignature);

		public virtual bool VerifySignature (HashAlgorithm hash, byte[] rgbSignature) 
		{
			if (hash == null)
				throw new ArgumentNullException ("hash");

			return VerifySignature (hash.Hash, rgbSignature);
		}
	}
}