42 lines
2.2 KiB
C#
42 lines
2.2 KiB
C#
#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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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Tls.Crypto.Impl
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{
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/// <summary>Base interface for a generic TLS MAC implementation for use with a bulk cipher.</summary>
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public interface TlsSuiteMac
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{
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/// <summary>Return the output length (in bytes) of this MAC.</summary>
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/// <returns>The output length of this MAC.</returns>
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int Size { get; }
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/// <summary>Calculate the MAC for some given data.</summary>
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/// <param name="seqNo">The sequence number of the record.</param>
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/// <param name="type">The content type of the message.</param>
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/// <param name="message">A byte array containing the message.</param>
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/// <param name="offset">The number of bytes to skip, before the message starts.</param>
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/// <param name="length">The length of the message.</param>
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/// <returns>A new byte array containing the MAC value.</returns>
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byte[] CalculateMac(long seqNo, short type, byte[] message, int offset, int length);
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#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || _UNITY_2021_2_OR_NEWER_
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byte[] CalculateMac(long seqNo, short type, ReadOnlySpan<byte> message);
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#endif
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/// <summary>Constant time calculation of the MAC for some given data with a given expected length.</summary>
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/// <param name="seqNo">The sequence number of the record.</param>
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/// <param name="type">The content type of the message.</param>
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/// <param name="message">A byte array containing the message.</param>
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/// <param name="offset">The number of bytes to skip, before the message starts.</param>
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/// <param name="length">The length of the message.</param>
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/// <param name="expectedLength">The expected length of the full message.</param>
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/// <param name="randomData">Random data for padding out the MAC calculation if required.</param>
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/// <returns>A new byte array containing the MAC value.</returns>
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byte[] CalculateMacConstantTime(long seqNo, short type, byte[] message, int offset, int length,
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int expectedLength, byte[] randomData);
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}
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}
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#pragma warning restore
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#endif
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