56 lines
2.0 KiB
C#
56 lines
2.0 KiB
C#
//------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------
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namespace Microsoft.InfoCards
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{
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using System.IdentityModel.Tokens;
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using System.Security.Cryptography;
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using System.Security.Cryptography.Xml;
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// copied from IdentityModel\CryptoHelper.cs and they need to be kept in sync. After V1, we need to rethink how we can have
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// a single place to ask this question. Perhaps even add it as an extensibility
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internal static class InfoCardCryptoHelper
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{
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internal static bool IsAsymmetricAlgorithm(string algorithm)
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{
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switch (algorithm)
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{
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case SecurityAlgorithms.DsaSha1Signature:
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case SecurityAlgorithms.RsaSha1Signature:
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case SecurityAlgorithms.RsaSha256Signature:
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case SecurityAlgorithms.RsaOaepKeyWrap:
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case SecurityAlgorithms.RsaV15KeyWrap:
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return true;
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default:
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return false;
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}
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}
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internal static bool IsSymmetricAlgorithm(string algorithm)
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{
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switch (algorithm)
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{
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case SecurityAlgorithms.HmacSha1Signature:
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case SecurityAlgorithms.HmacSha256Signature:
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case SecurityAlgorithms.Aes128Encryption:
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case SecurityAlgorithms.Aes192Encryption:
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case SecurityAlgorithms.Aes256Encryption:
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case SecurityAlgorithms.TripleDesEncryption:
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case SecurityAlgorithms.Aes128KeyWrap:
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case SecurityAlgorithms.Aes192KeyWrap:
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case SecurityAlgorithms.Aes256KeyWrap:
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case SecurityAlgorithms.TripleDesKeyWrap:
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case SecurityAlgorithms.Psha1KeyDerivation:
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case SecurityAlgorithms.Psha1KeyDerivationDec2005:
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return true;
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default:
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return false;
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}
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}
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}
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}
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