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72 lines
1.6 KiB
72 lines
1.6 KiB
1 year 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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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Digests
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{
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internal class XofUtilities
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{
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internal static byte[] LeftEncode(long strLen)
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{
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byte n = 1;
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long v = strLen;
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while ((v >>= 8) != 0)
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{
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n++;
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}
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byte[] b = new byte[n + 1];
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b[0] = n;
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for (int i = 1; i <= n; i++)
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{
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b[i] = (byte)(strLen >> (8 * (n - i)));
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}
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return b;
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}
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internal static byte[] RightEncode(long strLen)
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{
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byte n = 1;
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long v = strLen;
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while ((v >>= 8) != 0)
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{
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n++;
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}
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byte[] b = new byte[n + 1];
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b[n] = n;
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for (int i = 0; i < n; i++)
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{
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b[i] = (byte)(strLen >> (8 * (n - i - 1)));
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}
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return b;
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}
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internal static byte[] Encode(byte X)
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{
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return Arrays.Concatenate(LeftEncode(8), new byte[] { X });
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}
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internal static byte[] Encode(byte[] inBuf, int inOff, int len)
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{
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if (inBuf.Length == len)
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{
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return Arrays.Concatenate(LeftEncode(len * 8), inBuf);
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}
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return Arrays.Concatenate(LeftEncode(len * 8), Arrays.CopyOfRange(inBuf, inOff, inOff + len));
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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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