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//------------------------------------------------------------
// 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 sync. 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;
}
}
}
}
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