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legacy color support

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This commit is contained in:
BruceChen 2022-12-14 14:45:51 +08:00
parent 7900108763
commit 7ee08092d4
14 changed files with 116 additions and 97 deletions
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20
MinecraftClient/Crypto/AesCfb8Stream.cs
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@ -9,7 +9,7 @@ namespace MinecraftClient.Crypto
{
public class AesCfb8Stream : Stream
{
public static readonly int blockSize = 16;
public const int blockSize = 16;
private readonly Aes? Aes = null;
private readonly FastAes? FastAes = null;
@ -109,7 +109,7 @@ namespace MinecraftClient.Crypto
if (inStreamEnded)
return 0;
Span<byte> blockOutput = FastAes != null ? stackalloc byte[blockSize] : null;
Span<byte> blockOutput = stackalloc byte[blockSize];
byte[] inputBuf = new byte[blockSize + required];
Array.Copy(ReadStreamIV, inputBuf, blockSize);
@ -135,18 +135,12 @@ namespace MinecraftClient.Crypto
}
else
{
OrderablePartitioner<Tuple<int, int>> rangePartitioner = curRead <= 256 ?
Partitioner.Create(readed, processEnd, 32) : Partitioner.Create(readed, processEnd);
Parallel.ForEach(rangePartitioner, (range, loopState) =>
for (int idx = readed; idx < processEnd; idx++)
{
Span<byte> blockOutput = stackalloc byte[blockSize];
for (int idx = range.Item1; idx < range.Item2; idx++)
{
ReadOnlySpan<byte> blockInput = new(inputBuf, idx, blockSize);
Aes!.EncryptEcb(blockInput, blockOutput, PaddingMode.None);
buffer[outOffset + idx] = (byte)(blockOutput[0] ^ inputBuf[idx + blockSize]);
}
});
ReadOnlySpan<byte> blockInput = new(inputBuf, idx, blockSize);
Aes!.EncryptEcb(blockInput, blockOutput, PaddingMode.None);
buffer[outOffset + idx] = (byte)(blockOutput[0] ^ inputBuf[idx + blockSize]);
}
}
}