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//
// SecurityKey.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 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.Collections.Generic;
using System.Xml;
using System.IdentityModel.Policy;
using System.Security.Cryptography.Xml;
namespace System.IdentityModel.Tokens
{
enum AlgorithmSupportType
{
Symmetric,
Asymmetric,
Unsupported,
}
public abstract class SecurityKey
{
internal static AlgorithmSupportType GetAlgorithmSupportType (string algorithm)
{
switch (algorithm) {
case SecurityAlgorithms.HmacSha1Signature:
case SecurityAlgorithms.Psha1KeyDerivation:
case SecurityAlgorithms.Aes128Encryption:
case SecurityAlgorithms.Aes128KeyWrap:
case SecurityAlgorithms.Aes192Encryption:
case SecurityAlgorithms.Aes192KeyWrap:
case SecurityAlgorithms.Aes256Encryption:
case SecurityAlgorithms.Aes256KeyWrap:
case SecurityAlgorithms.TripleDesEncryption:
case SecurityAlgorithms.TripleDesKeyWrap:
case SecurityAlgorithms.DesEncryption:
return AlgorithmSupportType.Symmetric;
case SecurityAlgorithms.DsaSha1Signature:
case SecurityAlgorithms.RsaV15KeyWrap:
case SecurityAlgorithms.RsaOaepKeyWrap:
case SecurityAlgorithms.RsaSha1Signature:
case SecurityAlgorithms.RsaSha256Signature:
return AlgorithmSupportType.Asymmetric;
default:
return AlgorithmSupportType.Unsupported;
}
}
[MonoTODO]
protected SecurityKey ()
{
}
public abstract int KeySize { get; }
public abstract byte [] DecryptKey (string algorithm, byte [] keyData);
public abstract byte [] EncryptKey (string algorithm, byte [] keyData);
public abstract bool IsAsymmetricAlgorithm (string algorithm);
public abstract bool IsSupportedAlgorithm (string algorithm);
public abstract bool IsSymmetricAlgorithm (string algorithm);
}
}
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