mirrors/Ryujinx
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Update CryptoHelper.cs

Browse source
This commit is contained in:
LDj3SNuD 2019-01-28 01:53:13 +01:00 • committed by GitHub
commit 58dd0698b3
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 40 additions and 37 deletions
Download patch file Download diff file Expand all files Collapse all files

77
ChocolArm64/Instructions/CryptoHelper.cs
View file

@ -9,7 +9,7 @@ namespace ChocolArm64.Instructions
static class CryptoHelper static class CryptoHelper
{ {
#region "LookUp Tables" #region "LookUp Tables"
private static byte[] _sBox = private static readonly byte[] _sBox = new byte[]
{ {
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, 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, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
@ -29,7 +29,7 @@ namespace ChocolArm64.Instructions
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
}; };
private static byte[] _invSBox = private static readonly byte[] _invSBox = new byte[]
{ {
0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, 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, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,
@ -49,7 +49,7 @@ namespace ChocolArm64.Instructions
0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
}; };
private static byte[] _gfMul02 = private static readonly byte[] _gfMul02 = new byte[]
{ {
0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e, 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, 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
@ -69,7 +69,7 @@ namespace ChocolArm64.Instructions
0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5 0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5
}; };
private static byte[] _gfMul03 = private static readonly byte[] _gfMul03 = new byte[]
{ {
0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11, 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, 0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21,
@ -89,7 +89,7 @@ namespace ChocolArm64.Instructions
0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a 0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a
}; };
private static byte[] _gfMul09 = private static readonly byte[] _gfMul09 = new byte[]
{ {
0x00, 0x09, 0x12, 0x1b, 0x24, 0x2d, 0x36, 0x3f, 0x48, 0x41, 0x5a, 0x53, 0x6c, 0x65, 0x7e, 0x77, 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, 0x90, 0x99, 0x82, 0x8b, 0xb4, 0xbd, 0xa6, 0xaf, 0xd8, 0xd1, 0xca, 0xc3, 0xfc, 0xf5, 0xee, 0xe7,
@ -109,7 +109,7 @@ namespace ChocolArm64.Instructions
0x31, 0x38, 0x23, 0x2a, 0x15, 0x1c, 0x07, 0x0e, 0x79, 0x70, 0x6b, 0x62, 0x5d, 0x54, 0x4f, 0x46 0x31, 0x38, 0x23, 0x2a, 0x15, 0x1c, 0x07, 0x0e, 0x79, 0x70, 0x6b, 0x62, 0x5d, 0x54, 0x4f, 0x46
}; };
private static byte[] _gfMul0B = private static readonly byte[] _gfMul0B = new byte[]
{ {
0x00, 0x0b, 0x16, 0x1d, 0x2c, 0x27, 0x3a, 0x31, 0x58, 0x53, 0x4e, 0x45, 0x74, 0x7f, 0x62, 0x69, 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, 0xb0, 0xbb, 0xa6, 0xad, 0x9c, 0x97, 0x8a, 0x81, 0xe8, 0xe3, 0xfe, 0xf5, 0xc4, 0xcf, 0xd2, 0xd9,
@ -129,7 +129,7 @@ namespace ChocolArm64.Instructions
0xca, 0xc1, 0xdc, 0xd7, 0xe6, 0xed, 0xf0, 0xfb, 0x92, 0x99, 0x84, 0x8f, 0xbe, 0xb5, 0xa8, 0xa3 0xca, 0xc1, 0xdc, 0xd7, 0xe6, 0xed, 0xf0, 0xfb, 0x92, 0x99, 0x84, 0x8f, 0xbe, 0xb5, 0xa8, 0xa3
}; };
private static byte[] _gfMul0D = private static readonly byte[] _gfMul0D = new byte[]
{ {
0x00, 0x0d, 0x1a, 0x17, 0x34, 0x39, 0x2e, 0x23, 0x68, 0x65, 0x72, 0x7f, 0x5c, 0x51, 0x46, 0x4b, 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, 0xd0, 0xdd, 0xca, 0xc7, 0xe4, 0xe9, 0xfe, 0xf3, 0xb8, 0xb5, 0xa2, 0xaf, 0x8c, 0x81, 0x96, 0x9b,
@ -149,7 +149,7 @@ namespace ChocolArm64.Instructions
0xdc, 0xd1, 0xc6, 0xcb, 0xe8, 0xe5, 0xf2, 0xff, 0xb4, 0xb9, 0xae, 0xa3, 0x80, 0x8d, 0x9a, 0x97 0xdc, 0xd1, 0xc6, 0xcb, 0xe8, 0xe5, 0xf2, 0xff, 0xb4, 0xb9, 0xae, 0xa3, 0x80, 0x8d, 0x9a, 0x97
}; };
private static byte[] _gfMul0E = private static readonly byte[] _gfMul0E = new byte[]
{ {
0x00, 0x0e, 0x1c, 0x12, 0x38, 0x36, 0x24, 0x2a, 0x70, 0x7e, 0x6c, 0x62, 0x48, 0x46, 0x54, 0x5a, 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, 0xe0, 0xee, 0xfc, 0xf2, 0xd8, 0xd6, 0xc4, 0xca, 0x90, 0x9e, 0x8c, 0x82, 0xa8, 0xa6, 0xb4, 0xba,
@ -169,9 +169,15 @@ namespace ChocolArm64.Instructions
0xd7, 0xd9, 0xcb, 0xc5, 0xef, 0xe1, 0xf3, 0xfd, 0xa7, 0xa9, 0xbb, 0xb5, 0x9f, 0x91, 0x83, 0x8d 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 readonly byte[] _srPerm = new byte[]
{
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 readonly byte[] _isrPerm = new byte[]
{
0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, 1, 6, 11
};
#endregion #endregion
public static Vector128<float> AesInvMixColumns(Vector128<float> op) public static Vector128<float> AesInvMixColumns(Vector128<float> op)
@ -179,7 +185,7 @@ namespace ChocolArm64.Instructions
byte[] inState = new byte[16]; byte[] inState = new byte[16];
byte[] outState = new byte[16]; byte[] outState = new byte[16];
FromVectorToByteArray(inState, ref op); FromVectorToByteArray(op, inState);
for (int columns = 0; columns <= 3; columns++) for (int columns = 0; columns <= 3; columns++)
{ {
@ -206,7 +212,7 @@ namespace ChocolArm64.Instructions
byte[] inState = new byte[16]; byte[] inState = new byte[16];
byte[] outState = new byte[16]; byte[] outState = new byte[16];
FromVectorToByteArray(inState, ref op); FromVectorToByteArray(op, inState);
for (int idx = 0; idx <= 15; idx++) for (int idx = 0; idx <= 15; idx++)
{ {
@ -223,7 +229,7 @@ namespace ChocolArm64.Instructions
byte[] inState = new byte[16]; byte[] inState = new byte[16];
byte[] outState = new byte[16]; byte[] outState = new byte[16];
FromVectorToByteArray(inState, ref op); FromVectorToByteArray(op, inState);
for (int idx = 0; idx <= 15; idx++) for (int idx = 0; idx <= 15; idx++)
{ {
@ -240,7 +246,7 @@ namespace ChocolArm64.Instructions
byte[] inState = new byte[16]; byte[] inState = new byte[16];
byte[] outState = new byte[16]; byte[] outState = new byte[16];
FromVectorToByteArray(inState, ref op); FromVectorToByteArray(op, inState);
for (int columns = 0; columns <= 3; columns++) for (int columns = 0; columns <= 3; columns++)
{ {
@ -267,7 +273,7 @@ namespace ChocolArm64.Instructions
byte[] inState = new byte[16]; byte[] inState = new byte[16];
byte[] outState = new byte[16]; byte[] outState = new byte[16];
FromVectorToByteArray(inState, ref op); FromVectorToByteArray(op, inState);
for (int idx = 0; idx <= 15; idx++) for (int idx = 0; idx <= 15; idx++)
{ {
@ -284,7 +290,7 @@ namespace ChocolArm64.Instructions
byte[] inState = new byte[16]; byte[] inState = new byte[16];
byte[] outState = new byte[16]; byte[] outState = new byte[16];
FromVectorToByteArray(inState, ref op); FromVectorToByteArray(op, inState);
for (int idx = 0; idx <= 15; idx++) for (int idx = 0; idx <= 15; idx++)
{ {
@ -296,33 +302,30 @@ namespace ChocolArm64.Instructions
return op; return op;
} }
private static void FromVectorToByteArray(byte[] state, ref Vector128<float> op) private unsafe static void FromVectorToByteArray(Vector128<float> op, byte[] state)
{
ulong uLongLow = VectorHelper.VectorExtractIntZx((op), (byte)0, 3);
ulong uLongHigh = VectorHelper.VectorExtractIntZx((op), (byte)1, 3);
for (int idx = 0; idx <= 7; idx++)
{
state[idx + 0] = (byte)(uLongLow & 0xFFUL);
state[idx + 8] = (byte)(uLongHigh & 0xFFUL);
uLongLow >>= 8;
uLongHigh >>= 8;
}
}
private static void FromByteArrayToVector(byte[] state, ref Vector128<float> op)
{ {
if (!Sse2.IsSupported) if (!Sse2.IsSupported)
{ {
throw new PlatformNotSupportedException(); throw new PlatformNotSupportedException();
} }
op = Sse.StaticCast<byte, float>(Sse2.SetVector128( fixed (byte* ptr = &state[0])
state[15], state[14], state[13], state[12], {
state[11], state[10], state[9], state[8], Sse2.Store(ptr, Sse.StaticCast<float, byte>(op));
state[7], state[6], state[5], state[4], }
state[3], state[2], state[1], state[0])); }
private unsafe static void FromByteArrayToVector(byte[] state, ref Vector128<float> op)
{
if (!Sse2.IsSupported)
{
throw new PlatformNotSupportedException();
}
fixed (byte* ptr = &state[0])
{
op = Sse.StaticCast<byte, float>(Sse2.LoadVector128(ptr));
}
} }
} }
} }