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56 lines
1.1 KiB
56 lines
1.1 KiB
11 months ago
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#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.Crypto.Engines
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{
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public class VmpcKsa3Engine
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: VmpcEngine
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{
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public override string AlgorithmName
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{
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get { return "VMPC-KSA3"; }
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}
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protected override void InitKey(
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byte[] keyBytes,
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byte[] ivBytes)
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{
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s = 0;
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P = new byte[256];
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for (int i = 0; i < 256; i++)
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{
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P[i] = (byte) i;
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}
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for (int m = 0; m < 768; m++)
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{
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s = P[(s + P[m & 0xff] + keyBytes[m % keyBytes.Length]) & 0xff];
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byte temp = P[m & 0xff];
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P[m & 0xff] = P[s & 0xff];
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P[s & 0xff] = temp;
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}
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for (int m = 0; m < 768; m++)
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{
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s = P[(s + P[m & 0xff] + ivBytes[m % ivBytes.Length]) & 0xff];
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byte temp = P[m & 0xff];
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P[m & 0xff] = P[s & 0xff];
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P[s & 0xff] = temp;
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}
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for (int m = 0; m < 768; m++)
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{
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s = P[(s + P[m & 0xff] + keyBytes[m % keyBytes.Length]) & 0xff];
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byte temp = P[m & 0xff];
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P[m & 0xff] = P[s & 0xff];
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P[s & 0xff] = temp;
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}
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n = 0;
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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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