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Update and rename ACryptoHelper.cs to CryptoHelper.cs

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LDj3SNuD 2018-10-31 16:41:39 +01:00 • committed by GitHub
parent 52350d3e49
commit 0262bbbe62
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166
ChocolArm64/Instruction/ACryptoHelper.cs → ChocolArm64/Instruction/CryptoHelper.cs
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@ -4,12 +4,12 @@ using System;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.X86;
namespace ChocolArm64.Instruction
namespace ChocolArm64.Instructions
{
static class ACryptoHelper
static class CryptoHelper
{
#region "LookUp Tables"
private static byte[] SBox =
private static byte[] _sBox =
{
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
@ -29,7 +29,7 @@ namespace ChocolArm64.Instruction
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
};
private static byte[] InvSBox =
private static byte[] _invSBox =
{
0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,
0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,
@ -49,7 +49,7 @@ namespace ChocolArm64.Instruction
0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
};
private static byte[] GFMul_02 =
private static byte[] _gfMul02 =
{
0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
@ -69,7 +69,7 @@ namespace ChocolArm64.Instruction
0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5
};
private static byte[] GFMul_03 =
private static byte[] _gfMul03 =
{
0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11,
0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21,
@ -89,7 +89,7 @@ namespace ChocolArm64.Instruction
0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a
};
private static byte[] GFMul_09 =
private static byte[] _gfMul09 =
{
0x00, 0x09, 0x12, 0x1b, 0x24, 0x2d, 0x36, 0x3f, 0x48, 0x41, 0x5a, 0x53, 0x6c, 0x65, 0x7e, 0x77,
0x90, 0x99, 0x82, 0x8b, 0xb4, 0xbd, 0xa6, 0xaf, 0xd8, 0xd1, 0xca, 0xc3, 0xfc, 0xf5, 0xee, 0xe7,
@ -109,7 +109,7 @@ namespace ChocolArm64.Instruction
0x31, 0x38, 0x23, 0x2a, 0x15, 0x1c, 0x07, 0x0e, 0x79, 0x70, 0x6b, 0x62, 0x5d, 0x54, 0x4f, 0x46
};
private static byte[] GFMul_0B =
private static byte[] _gfMul0B =
{
0x00, 0x0b, 0x16, 0x1d, 0x2c, 0x27, 0x3a, 0x31, 0x58, 0x53, 0x4e, 0x45, 0x74, 0x7f, 0x62, 0x69,
0xb0, 0xbb, 0xa6, 0xad, 0x9c, 0x97, 0x8a, 0x81, 0xe8, 0xe3, 0xfe, 0xf5, 0xc4, 0xcf, 0xd2, 0xd9,
@ -129,7 +129,7 @@ namespace ChocolArm64.Instruction
0xca, 0xc1, 0xdc, 0xd7, 0xe6, 0xed, 0xf0, 0xfb, 0x92, 0x99, 0x84, 0x8f, 0xbe, 0xb5, 0xa8, 0xa3
};
private static byte[] GFMul_0D =
private static byte[] _gfMul0D =
{
0x00, 0x0d, 0x1a, 0x17, 0x34, 0x39, 0x2e, 0x23, 0x68, 0x65, 0x72, 0x7f, 0x5c, 0x51, 0x46, 0x4b,
0xd0, 0xdd, 0xca, 0xc7, 0xe4, 0xe9, 0xfe, 0xf3, 0xb8, 0xb5, 0xa2, 0xaf, 0x8c, 0x81, 0x96, 0x9b,
@ -149,7 +149,7 @@ namespace ChocolArm64.Instruction
0xdc, 0xd1, 0xc6, 0xcb, 0xe8, 0xe5, 0xf2, 0xff, 0xb4, 0xb9, 0xae, 0xa3, 0x80, 0x8d, 0x9a, 0x97
};
private static byte[] GFMul_0E =
private static byte[] _gfMul0E =
{
0x00, 0x0e, 0x1c, 0x12, 0x38, 0x36, 0x24, 0x2a, 0x70, 0x7e, 0x6c, 0x62, 0x48, 0x46, 0x54, 0x5a,
0xe0, 0xee, 0xfc, 0xf2, 0xd8, 0xd6, 0xc4, 0xca, 0x90, 0x9e, 0x8c, 0x82, 0xa8, 0xa6, 0xb4, 0xba,
@ -169,149 +169,149 @@ namespace ChocolArm64.Instruction
0xd7, 0xd9, 0xcb, 0xc5, 0xef, 0xe1, 0xf3, 0xfd, 0xa7, 0xa9, 0xbb, 0xb5, 0x9f, 0x91, 0x83, 0x8d
};
private static byte[] SRPerm = { 0, 13, 10, 7, 4, 1, 14, 11, 8, 5, 2, 15, 12, 9, 6, 3 };
private static byte[] _srPerm = { 0, 13, 10, 7, 4, 1, 14, 11, 8, 5, 2, 15, 12, 9, 6, 3 };
private static byte[] ISRPerm = { 0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, 1, 6, 11 };
private static byte[] _isrPerm = { 0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, 1, 6, 11 };
#endregion
public static Vector128<float> AESInvMixColumns(Vector128<float> op)
public static Vector128<float> AesInvMixColumns(Vector128<float> op)
{
byte[] InState = new byte[16];
byte[] OutState = new byte[16];
byte[] inState = new byte[16];
byte[] outState = new byte[16];
FromVectorToByteArray(InState, ref op);
FromVectorToByteArray(inState, ref op);
for (int Columns = 0; Columns <= 3; Columns++)
for (int columns = 0; columns <= 3; columns++)
{
int Idx = Columns << 2;
int idx = columns << 2;
byte Row0 = InState[Idx + 0]; // A, E, I, M: [Row0, Col0-Col3]
byte Row1 = InState[Idx + 1]; // B, F, J, N: [Row1, Col0-Col3]
byte Row2 = InState[Idx + 2]; // C, G, K, O: [Row2, Col0-Col3]
byte Row3 = InState[Idx + 3]; // D, H, L, P: [Row3, Col0-Col3]
byte row0 = inState[idx + 0]; // A, E, I, M: [row0, col0-col3]
byte row1 = inState[idx + 1]; // B, F, J, N: [row1, col0-col3]
byte row2 = inState[idx + 2]; // C, G, K, O: [row2, col0-col3]
byte row3 = inState[idx + 3]; // D, H, L, P: [row3, col0-col3]
OutState[Idx + 0] = (byte)((uint)GFMul_0E[Row0] ^ GFMul_0B[Row1] ^ GFMul_0D[Row2] ^ GFMul_09[Row3]);
OutState[Idx + 1] = (byte)((uint)GFMul_09[Row0] ^ GFMul_0E[Row1] ^ GFMul_0B[Row2] ^ GFMul_0D[Row3]);
OutState[Idx + 2] = (byte)((uint)GFMul_0D[Row0] ^ GFMul_09[Row1] ^ GFMul_0E[Row2] ^ GFMul_0B[Row3]);
OutState[Idx + 3] = (byte)((uint)GFMul_0B[Row0] ^ GFMul_0D[Row1] ^ GFMul_09[Row2] ^ GFMul_0E[Row3]);
outState[idx + 0] = (byte)((uint)_gfMul0E[row0] ^ _gfMul0B[row1] ^ _gfMul0D[row2] ^ _gfMul09[row3]);
outState[idx + 1] = (byte)((uint)_gfMul09[row0] ^ _gfMul0E[row1] ^ _gfMul0B[row2] ^ _gfMul0D[row3]);
outState[idx + 2] = (byte)((uint)_gfMul0D[row0] ^ _gfMul09[row1] ^ _gfMul0E[row2] ^ _gfMul0B[row3]);
outState[idx + 3] = (byte)((uint)_gfMul0B[row0] ^ _gfMul0D[row1] ^ _gfMul09[row2] ^ _gfMul0E[row3]);
}
FromByteArrayToVector(OutState, ref op);
FromByteArrayToVector(outState, ref op);
return op;
}
public static Vector128<float> AESInvShiftRows(Vector128<float> op)
public static Vector128<float> AesInvShiftRows(Vector128<float> op)
{
byte[] InState = new byte[16];
byte[] OutState = new byte[16];
byte[] inState = new byte[16];
byte[] outState = new byte[16];
FromVectorToByteArray(InState, ref op);
FromVectorToByteArray(inState, ref op);
for (int Idx = 0; Idx <= 15; Idx++)
for (int idx = 0; idx <= 15; idx++)
{
OutState[ISRPerm[Idx]] = InState[Idx];
outState[_isrPerm[idx]] = inState[idx];
}
FromByteArrayToVector(OutState, ref op);
FromByteArrayToVector(outState, ref op);
return op;
}
public static Vector128<float> AESInvSubBytes(Vector128<float> op)
public static Vector128<float> AesInvSubBytes(Vector128<float> op)
{
byte[] InState = new byte[16];
byte[] OutState = new byte[16];
byte[] inState = new byte[16];
byte[] outState = new byte[16];
FromVectorToByteArray(InState, ref op);
FromVectorToByteArray(inState, ref op);
for (int Idx = 0; Idx <= 15; Idx++)
for (int idx = 0; idx <= 15; idx++)
{
OutState[Idx] = InvSBox[InState[Idx]];
outState[idx] = _invSBox[inState[idx]];
}
FromByteArrayToVector(OutState, ref op);
FromByteArrayToVector(outState, ref op);
return op;
}
public static Vector128<float> AESMixColumns(Vector128<float> op)
public static Vector128<float> AesMixColumns(Vector128<float> op)
{
byte[] InState = new byte[16];
byte[] OutState = new byte[16];
byte[] inState = new byte[16];
byte[] outState = new byte[16];
FromVectorToByteArray(InState, ref op);
FromVectorToByteArray(inState, ref op);
for (int Columns = 0; Columns <= 3; Columns++)
for (int columns = 0; columns <= 3; columns++)
{
int Idx = Columns << 2;
int idx = columns << 2;
byte Row0 = InState[Idx + 0]; // A, E, I, M: [Row0, Col0-Col3]
byte Row1 = InState[Idx + 1]; // B, F, J, N: [Row1, Col0-Col3]
byte Row2 = InState[Idx + 2]; // C, G, K, O: [Row2, Col0-Col3]
byte Row3 = InState[Idx + 3]; // D, H, L, P: [Row3, Col0-Col3]
byte row0 = inState[idx + 0]; // A, E, I, M: [row0, col0-col3]
byte row1 = inState[idx + 1]; // B, F, J, N: [row1, col0-col3]
byte row2 = inState[idx + 2]; // C, G, K, O: [row2, col0-col3]
byte row3 = inState[idx + 3]; // D, H, L, P: [row3, col0-col3]
OutState[Idx + 0] = (byte)((uint)GFMul_02[Row0] ^ GFMul_03[Row1] ^ Row2 ^ Row3);
OutState[Idx + 1] = (byte)((uint)Row0 ^ GFMul_02[Row1] ^ GFMul_03[Row2] ^ Row3);
OutState[Idx + 2] = (byte)((uint)Row0 ^ Row1 ^ GFMul_02[Row2] ^ GFMul_03[Row3]);
OutState[Idx + 3] = (byte)((uint)GFMul_03[Row0] ^ Row1 ^ Row2 ^ GFMul_02[Row3]);
outState[idx + 0] = (byte)((uint)_gfMul02[row0] ^ _gfMul03[row1] ^ row2 ^ row3);
outState[idx + 1] = (byte)((uint)row0 ^ _gfMul02[row1] ^ _gfMul03[row2] ^ row3);
outState[idx + 2] = (byte)((uint)row0 ^ row1 ^ _gfMul02[row2] ^ _gfMul03[row3]);
outState[idx + 3] = (byte)((uint)_gfMul03[row0] ^ row1 ^ row2 ^ _gfMul02[row3]);
}
FromByteArrayToVector(OutState, ref op);
FromByteArrayToVector(outState, ref op);
return op;
}
public static Vector128<float> AESShiftRows(Vector128<float> op)
public static Vector128<float> AesShiftRows(Vector128<float> op)
{
byte[] InState = new byte[16];
byte[] OutState = new byte[16];
byte[] inState = new byte[16];
byte[] outState = new byte[16];
FromVectorToByteArray(InState, ref op);
FromVectorToByteArray(inState, ref op);
for (int Idx = 0; Idx <= 15; Idx++)
for (int idx = 0; idx <= 15; idx++)
{
OutState[SRPerm[Idx]] = InState[Idx];
outState[_srPerm[idx]] = inState[idx];
}
FromByteArrayToVector(OutState, ref op);
FromByteArrayToVector(outState, ref op);
return op;
}
public static Vector128<float> AESSubBytes(Vector128<float> op)
public static Vector128<float> AesSubBytes(Vector128<float> op)
{
byte[] InState = new byte[16];
byte[] OutState = new byte[16];
byte[] inState = new byte[16];
byte[] outState = new byte[16];
FromVectorToByteArray(InState, ref op);
FromVectorToByteArray(inState, ref op);
for (int Idx = 0; Idx <= 15; Idx++)
for (int idx = 0; idx <= 15; idx++)
{
OutState[Idx] = SBox[InState[Idx]];
outState[idx] = _sBox[inState[idx]];
}
FromByteArrayToVector(OutState, ref op);
FromByteArrayToVector(outState, ref op);
return op;
}
private static void FromVectorToByteArray(byte[] State, ref Vector128<float> op)
private static void FromVectorToByteArray(byte[] state, ref Vector128<float> op)
{
ulong ULongLow = AVectorHelper.VectorExtractIntZx((op), (byte)0, 3);
ulong ULongHigh = AVectorHelper.VectorExtractIntZx((op), (byte)1, 3);
ulong uLongLow = VectorHelper.VectorExtractIntZx((op), (byte)0, 3);
ulong uLongHigh = VectorHelper.VectorExtractIntZx((op), (byte)1, 3);
for (int Idx = 0; Idx <= 7; Idx++)
for (int idx = 0; idx <= 7; idx++)
{
State[Idx + 0] = (byte)(ULongLow & 0xFFUL);
State[Idx + 8] = (byte)(ULongHigh & 0xFFUL);
state[idx + 0] = (byte)(uLongLow & 0xFFUL);
state[idx + 8] = (byte)(uLongHigh & 0xFFUL);
ULongLow >>= 8;
ULongHigh >>= 8;
uLongLow >>= 8;
uLongHigh >>= 8;
}
}
private static void FromByteArrayToVector(byte[] State, ref Vector128<float> op)
private static void FromByteArrayToVector(byte[] state, ref Vector128<float> op)
{
if (!Sse2.IsSupported)
{
@ -319,10 +319,10 @@ namespace ChocolArm64.Instruction
}
op = Sse.StaticCast<byte, float>(Sse2.SetVector128(
State[15], State[14], State[13], State[12],
State[11], State[10], State[9], State[8],
State[7], State[6], State[5], State[4],
State[3], State[2], State[1], State[0]));
state[15], state[14], state[13], state[12],
state[11], state[10], state[9], state[8],
state[7], state[6], state[5], state[4],
state[3], state[2], state[1], state[0]));
}
}
}