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73 lines
2.3 KiB
73 lines
2.3 KiB
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR) |
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#pragma warning disable |
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using System; |
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using System.Collections; |
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using System.IO; |
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math; |
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities; |
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Tls |
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{ |
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public abstract class TlsSrpUtilities |
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{ |
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/// <exception cref="IOException"/> |
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public static void AddSrpExtension(IDictionary extensions, byte[] identity) |
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{ |
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extensions[ExtensionType.srp] = CreateSrpExtension(identity); |
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} |
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/// <exception cref="IOException"/> |
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public static byte[] GetSrpExtension(IDictionary extensions) |
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{ |
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byte[] extensionData = TlsUtilities.GetExtensionData(extensions, ExtensionType.srp); |
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return extensionData == null ? null : ReadSrpExtension(extensionData); |
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} |
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/// <exception cref="IOException"/> |
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public static byte[] CreateSrpExtension(byte[] identity) |
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{ |
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if (identity == null) |
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throw new TlsFatalAlert(AlertDescription.internal_error); |
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return TlsUtilities.EncodeOpaque8(identity); |
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} |
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/// <exception cref="IOException"/> |
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public static byte[] ReadSrpExtension(byte[] extensionData) |
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{ |
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if (extensionData == null) |
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throw new ArgumentNullException("extensionData"); |
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return TlsUtilities.DecodeOpaque8(extensionData, 1); |
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} |
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/// <exception cref="IOException"/> |
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public static BigInteger ReadSrpParameter(Stream input) |
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{ |
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return new BigInteger(1, TlsUtilities.ReadOpaque16(input, 1)); |
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} |
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/// <exception cref="IOException"/> |
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public static void WriteSrpParameter(BigInteger x, Stream output) |
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{ |
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TlsUtilities.WriteOpaque16(BigIntegers.AsUnsignedByteArray(x), output); |
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} |
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public static bool IsSrpCipherSuite(int cipherSuite) |
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{ |
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switch (TlsUtilities.GetKeyExchangeAlgorithm(cipherSuite)) |
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{ |
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case KeyExchangeAlgorithm.SRP: |
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case KeyExchangeAlgorithm.SRP_DSS: |
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case KeyExchangeAlgorithm.SRP_RSA: |
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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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#pragma warning restore |
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#endif
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