InfoCardCryptoHelper.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / infocard / common / managed / InfoCardCryptoHelper.cs / 1305376 / InfoCardCryptoHelper.cs
                        

                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------

namespace Microsoft.InfoCards 
{
    using System.IdentityModel.Tokens; 
    using System.Security.Cryptography; 
    using System.Security.Cryptography.Xml;
 
    // copied from IdentityModel\CryptoHelper.cs and they need to be kept in [....].  After V1, we need to rethink how we can have
    // a single place to ask this question.  Perhaps even add it as an extensibility

    internal static class InfoCardCryptoHelper 
    {
 
        internal static bool IsAsymmetricAlgorithm(string algorithm) 
        {
            switch (algorithm) 
            {
                case SecurityAlgorithms.DsaSha1Signature:
                case SecurityAlgorithms.RsaSha1Signature:
                case SecurityAlgorithms.RsaSha256Signature: 
                case SecurityAlgorithms.RsaOaepKeyWrap:
                case SecurityAlgorithms.RsaV15KeyWrap: 
                    return true; 
                default:
                    return false; 
            }
        }

        internal static bool IsSymmetricAlgorithm(string algorithm) 
        {
            switch (algorithm) 
            { 
                case SecurityAlgorithms.HmacSha1Signature:
                case SecurityAlgorithms.HmacSha256Signature: 
                case SecurityAlgorithms.Aes128Encryption:
                case SecurityAlgorithms.Aes192Encryption:
                case SecurityAlgorithms.Aes256Encryption:
                case SecurityAlgorithms.TripleDesEncryption: 
                case SecurityAlgorithms.Aes128KeyWrap:
                case SecurityAlgorithms.Aes192KeyWrap: 
                case SecurityAlgorithms.Aes256KeyWrap: 
                case SecurityAlgorithms.TripleDesKeyWrap:
                case SecurityAlgorithms.Psha1KeyDerivation: 
                case SecurityAlgorithms.Psha1KeyDerivationDec2005:
                    return true;
                default:
                    return false; 
            }
        } 
 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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