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#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
#pragma warning disable
using System;
using System.Collections;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Utilities;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines
{
/**
* implementation of DSTU 7624 (Kalyna)
*/
public class Dstu7624Engine
: IBlockCipher
{
private ulong[] internalState;
private ulong[] workingKey;
private ulong[][] roundKeys;
/* Number of 64-bit words in block */
private int wordsInBlock;
/* Number of 64-bit words in key */
private int wordsInKey;
/* Number of encryption rounds depending on key length */
private const int ROUNDS_128 = 10;
private const int ROUNDS_256 = 14;
private const int ROUNDS_512 = 18;
private int roundsAmount;
private bool forEncryption;
public Dstu7624Engine(int blockSizeBits)
{
/* DSTU7624 supports 128 | 256 | 512 key/block sizes */
if (blockSizeBits != 128 && blockSizeBits != 256 && blockSizeBits != 512)
{
throw new ArgumentException("unsupported block length: only 128/256/512 are allowed");
}
wordsInBlock = blockSizeBits / 64;
internalState = new ulong[wordsInBlock];
}
#region INITIALIZATION
public virtual void Init(bool forEncryption, ICipherParameters parameters)
{
if (!(parameters is KeyParameter))
throw new ArgumentException("Invalid parameter passed to Dstu7624Engine Init");
this.forEncryption = forEncryption;
byte[] keyBytes = ((KeyParameter)parameters).GetKey();
int keyBitLength = keyBytes.Length << 3;
int blockBitLength = wordsInBlock << 6;
if (keyBitLength != 128 && keyBitLength != 256 && keyBitLength != 512)
{
throw new ArgumentException("unsupported key length: only 128/256/512 are allowed");
}
/* Limitations on key lengths depending on block lengths. See table 6.1 in standard */
if (keyBitLength != blockBitLength && keyBitLength != (2 * blockBitLength))
{
throw new ArgumentException("Unsupported key length");
}
switch (keyBitLength)
{
case 128:
roundsAmount = ROUNDS_128;
break;
case 256:
roundsAmount = ROUNDS_256;
break;
case 512:
roundsAmount = ROUNDS_512;
break;
}
wordsInKey = keyBitLength / 64;
/* +1 round key as defined in standard */
roundKeys = new ulong[roundsAmount + 1][];
for (int roundKeyIndex = 0; roundKeyIndex < roundKeys.Length; roundKeyIndex++)
{
roundKeys[roundKeyIndex] = new ulong[wordsInBlock];
}
workingKey = new ulong[wordsInKey];
if (keyBytes.Length != wordsInKey * 8)
{
throw new ArgumentException("Invalid key parameter passed to Dstu7624Engine Init");
}
/* Unpack encryption key bytes to words */
Pack.LE_To_UInt64(keyBytes, 0, workingKey);
ulong[] tempKeys = new ulong[wordsInBlock];
/* KSA in DSTU7624 is strengthened to mitigate known weaknesses in AES KSA (eprint.iacr.org/2012/260.pdf) */
WorkingKeyExpandKT(workingKey, tempKeys);
WorkingKeyExpandEven(workingKey, tempKeys);
WorkingKeyExpandOdd();
}
private void WorkingKeyExpandKT(ulong[] workingKey, ulong[] tempKeys)
{
ulong[] k0 = new ulong[wordsInBlock];
ulong[] k1 = new ulong[wordsInBlock];
internalState = new ulong[wordsInBlock];
internalState[0] += (ulong)(wordsInBlock + wordsInKey + 1);
if (wordsInBlock == wordsInKey)
{
Array.Copy(workingKey, 0, k0, 0, k0.Length);
Array.Copy(workingKey, 0, k1, 0, k1.Length);
}
else
{
Array.Copy(workingKey, 0, k0, 0, wordsInBlock);
Array.Copy(workingKey, wordsInBlock, k1, 0, wordsInBlock);
}
for (int wordIndex = 0; wordIndex < internalState.Length; wordIndex++)
{
internalState[wordIndex] += k0[wordIndex];
}
EncryptionRound();
for (int wordIndex = 0; wordIndex < internalState.Length; wordIndex++)
{
internalState[wordIndex] ^= k1[wordIndex];
}
EncryptionRound();
for (int wordIndex = 0; wordIndex < internalState.Length; wordIndex++)
{
internalState[wordIndex] += k0[wordIndex];
}
EncryptionRound();
Array.Copy(internalState, 0, tempKeys, 0, wordsInBlock);
}
private void WorkingKeyExpandEven(ulong[] workingKey, ulong[] tempKey)
{
ulong[] initialData = new ulong[wordsInKey];
ulong[] tempRoundKey = new ulong[wordsInBlock];
int round = 0;
Array.Copy(workingKey, 0, initialData, 0, wordsInKey);
ulong tmv = 0x0001000100010001UL;
while (true)
{
for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++)
{
tempRoundKey[wordIndex] = tempKey[wordIndex] + tmv;
}
for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++)
{
internalState[wordIndex] = initialData[wordIndex] + tempRoundKey[wordIndex];
}
EncryptionRound();
for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++)
{
internalState[wordIndex] ^= tempRoundKey[wordIndex];
}
EncryptionRound();
for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++)
{
internalState[wordIndex] += tempRoundKey[wordIndex];
}
Array.Copy(internalState, 0, roundKeys[round], 0, wordsInBlock);
if (roundsAmount == round)
{
break;
}
if (wordsInKey != wordsInBlock)
{
round += 2;
tmv <<= 1;
for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++)
{
tempRoundKey[wordIndex] = tempKey[wordIndex] + tmv;
}
for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++)
{
internalState[wordIndex] = initialData[wordsInBlock + wordIndex] + tempRoundKey[wordIndex];
}
EncryptionRound();
for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++)
{
internalState[wordIndex] ^= tempRoundKey[wordIndex];
}
EncryptionRound();
for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++)
{
internalState[wordIndex] += tempRoundKey[wordIndex];
}
Array.Copy(internalState, 0, roundKeys[round], 0, wordsInBlock);
if (roundsAmount == round)
{
break;
}
}
round += 2;
tmv <<= 1;
ulong temp = initialData[0];
for (int i = 1; i < initialData.Length; ++i)
{
initialData[i - 1] = initialData[i];
}
initialData[initialData.Length - 1] = temp;
}
}
private void WorkingKeyExpandOdd()
{
for (int roundIndex = 1; roundIndex < roundsAmount; roundIndex += 2)
{
RotateLeft(roundKeys[roundIndex - 1], roundKeys[roundIndex]);
}
}
#endregion
public virtual int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
{
if (workingKey == null)
throw new InvalidOperationException("Dstu7624Engine not initialised");
Check.DataLength(input, inOff, GetBlockSize(), "input buffer too short");
Check.OutputLength(output, outOff, GetBlockSize(), "output buffer too short");
if (forEncryption)
{
/* Encrypt */
switch (wordsInBlock)
{
case 2:
{
EncryptBlock_128(input, inOff, output, outOff);
break;
}
default:
{
Pack.LE_To_UInt64(input, inOff, internalState);
AddRoundKey(0);
for (int round = 0;;)
{
EncryptionRound();
if (++round == roundsAmount)
{
break;
}
XorRoundKey(round);
}
AddRoundKey(roundsAmount);
Pack.UInt64_To_LE(internalState, output, outOff);
break;
}
}
}
else
{
/* Decrypt */
switch (wordsInBlock)
{
case 2:
{
DecryptBlock_128(input, inOff, output, outOff);
break;
}
default:
{
Pack.LE_To_UInt64(input, inOff, internalState);
SubRoundKey(roundsAmount);
for (int round = roundsAmount;;)
{
DecryptionRound();
if (--round == 0)
{
break;
}
XorRoundKey(round);
}
SubRoundKey(0);
Pack.UInt64_To_LE(internalState, output, outOff);
break;
}
}
}
return GetBlockSize();
}
private void EncryptionRound()
{
SubBytes();
ShiftRows();
MixColumns();
}
private void DecryptionRound()
{
MixColumnsInv();
InvShiftRows();
InvSubBytes();
}
private void DecryptBlock_128(byte[] input, int inOff, byte[] output, int outOff)
{
ulong c0 = Pack.LE_To_UInt64(input, inOff);
ulong c1 = Pack.LE_To_UInt64(input, inOff + 8);
ulong[] roundKey = roundKeys[roundsAmount];
c0 -= roundKey[0];
c1 -= roundKey[1];
for (int round = roundsAmount;;)
{
c0 = MixColumnInv(c0);
c1 = MixColumnInv(c1);
uint lo0 = (uint)c0, hi0 = (uint)(c0 >> 32);
uint lo1 = (uint)c1, hi1 = (uint)(c1 >> 32);
{
byte t0 = T0[lo0 & 0xFF];
byte t1 = T1[(lo0 >> 8) & 0xFF];
byte t2 = T2[(lo0 >> 16) & 0xFF];
byte t3 = T3[lo0 >> 24];
lo0 = (uint)t0 | ((uint)t1 << 8) | ((uint)t2 << 16) | ((uint)t3 << 24);
byte t4 = T0[hi1 & 0xFF];
byte t5 = T1[(hi1 >> 8) & 0xFF];
byte t6 = T2[(hi1 >> 16) & 0xFF];
byte t7 = T3[hi1 >> 24];
hi1 = (uint)t4 | ((uint)t5 << 8) | ((uint)t6 << 16) | ((uint)t7 << 24);
c0 = (ulong)lo0 | ((ulong)hi1 << 32);
}
{
byte t0 = T0[lo1 & 0xFF];
byte t1 = T1[(lo1 >> 8) & 0xFF];
byte t2 = T2[(lo1 >> 16) & 0xFF];
byte t3 = T3[lo1 >> 24];
lo1 = (uint)t0 | ((uint)t1 << 8) | ((uint)t2 << 16) | ((uint)t3 << 24);
byte t4 = T0[hi0 & 0xFF];
byte t5 = T1[(hi0 >> 8) & 0xFF];
byte t6 = T2[(hi0 >> 16) & 0xFF];
byte t7 = T3[hi0 >> 24];
hi0 = (uint)t4 | ((uint)t5 << 8) | ((uint)t6 << 16) | ((uint)t7 << 24);
c1 = (ulong)lo1 | ((ulong)hi0 << 32);
}
if (--round == 0)
{
break;
}
roundKey = roundKeys[round];
c0 ^= roundKey[0];
c1 ^= roundKey[1];
}
roundKey = roundKeys[0];
c0 -= roundKey[0];
c1 -= roundKey[1];
Pack.UInt64_To_LE(c0, output, outOff);
Pack.UInt64_To_LE(c1, output, outOff + 8);
}
private void EncryptBlock_128(byte[] input, int inOff, byte[] output, int outOff)
{
ulong c0 = Pack.LE_To_UInt64(input, inOff);
ulong c1 = Pack.LE_To_UInt64(input, inOff + 8);
ulong[] roundKey = roundKeys[0];
c0 += roundKey[0];
c1 += roundKey[1];
for (int round = 0;;)
{
uint lo0 = (uint)c0, hi0 = (uint)(c0 >> 32);
uint lo1 = (uint)c1, hi1 = (uint)(c1 >> 32);
{
byte t0 = S0[lo0 & 0xFF];
byte t1 = S1[(lo0 >> 8) & 0xFF];
byte t2 = S2[(lo0 >> 16) & 0xFF];
byte t3 = S3[lo0 >> 24];
lo0 = (uint)t0 | ((uint)t1 << 8) | ((uint)t2 << 16) | ((uint)t3 << 24);
byte t4 = S0[hi1 & 0xFF];
byte t5 = S1[(hi1 >> 8) & 0xFF];
byte t6 = S2[(hi1 >> 16) & 0xFF];
byte t7 = S3[hi1 >> 24];
hi1 = (uint)t4 | ((uint)t5 << 8) | ((uint)t6 << 16) | ((uint)t7 << 24);
c0 = (ulong)lo0 | ((ulong)hi1 << 32);
}
{
byte t0 = S0[lo1 & 0xFF];
byte t1 = S1[(lo1 >> 8) & 0xFF];
byte t2 = S2[(lo1 >> 16) & 0xFF];
byte t3 = S3[lo1 >> 24];
lo1 = (uint)t0 | ((uint)t1 << 8) | ((uint)t2 << 16) | ((uint)t3 << 24);
byte t4 = S0[hi0 & 0xFF];
byte t5 = S1[(hi0 >> 8) & 0xFF];
byte t6 = S2[(hi0 >> 16) & 0xFF];
byte t7 = S3[hi0 >> 24];
hi0 = (uint)t4 | ((uint)t5 << 8) | ((uint)t6 << 16) | ((uint)t7 << 24);
c1 = (ulong)lo1 | ((ulong)hi0 << 32);
}
c0 = MixColumn(c0);
c1 = MixColumn(c1);
if (++round == roundsAmount)
{
break;
}
roundKey = roundKeys[round];
c0 ^= roundKey[0];
c1 ^= roundKey[1];
}
roundKey = roundKeys[roundsAmount];
c0 += roundKey[0];
c1 += roundKey[1];
Pack.UInt64_To_LE(c0, output, outOff);
Pack.UInt64_To_LE(c1, output, outOff + 8);
}
private void SubBytes()
{
for (int i = 0; i < wordsInBlock; i++)
{
ulong u = internalState[i];
uint lo = (uint)u, hi = (uint)(u >> 32);
byte t0 = S0[lo & 0xFF];
byte t1 = S1[(lo >> 8) & 0xFF];
byte t2 = S2[(lo >> 16) & 0xFF];
byte t3 = S3[lo >> 24];
lo = (uint)t0 | ((uint)t1 << 8) | ((uint)t2 << 16) | ((uint)t3 << 24);
byte t4 = S0[hi & 0xFF];
byte t5 = S1[(hi >> 8) & 0xFF];
byte t6 = S2[(hi >> 16) & 0xFF];
byte t7 = S3[hi >> 24];
hi = (uint)t4 | ((uint)t5 << 8) | ((uint)t6 << 16) | ((uint)t7 << 24);
internalState[i] = (ulong)lo | ((ulong)hi << 32);
}
}
private void InvSubBytes()
{
for (int i = 0; i < wordsInBlock; i++)
{
ulong u = internalState[i];
uint lo = (uint)u, hi = (uint)(u >> 32);
byte t0 = T0[lo & 0xFF];
byte t1 = T1[(lo >> 8) & 0xFF];
byte t2 = T2[(lo >> 16) & 0xFF];
byte t3 = T3[lo >> 24];
lo = (uint)t0 | ((uint)t1 << 8) | ((uint)t2 << 16) | ((uint)t3 << 24);
byte t4 = T0[hi & 0xFF];
byte t5 = T1[(hi >> 8) & 0xFF];
byte t6 = T2[(hi >> 16) & 0xFF];
byte t7 = T3[hi >> 24];
hi = (uint)t4 | ((uint)t5 << 8) | ((uint)t6 << 16) | ((uint)t7 << 24);
internalState[i] = (ulong)lo | ((ulong)hi << 32);
}
}
private void ShiftRows()
{
switch (wordsInBlock)
{
case 2:
{
ulong c0 = internalState[0], c1 = internalState[1];
ulong d;
d = (c0 ^ c1) & 0xFFFFFFFF00000000UL; c0 ^= d; c1 ^= d;
internalState[0] = c0;
internalState[1] = c1;
break;
}
case 4:
{
ulong c0 = internalState[0], c1 = internalState[1], c2 = internalState[2], c3 = internalState[3];
ulong d;
d = (c0 ^ c2) & 0xFFFFFFFF00000000UL; c0 ^= d; c2 ^= d;
d = (c1 ^ c3) & 0x0000FFFFFFFF0000UL; c1 ^= d; c3 ^= d;
d = (c0 ^ c1) & 0xFFFF0000FFFF0000UL; c0 ^= d; c1 ^= d;
d = (c2 ^ c3) & 0xFFFF0000FFFF0000UL; c2 ^= d; c3 ^= d;
internalState[0] = c0;
internalState[1] = c1;
internalState[2] = c2;
internalState[3] = c3;
break;
}
case 8:
{
ulong c0 = internalState[0], c1 = internalState[1], c2 = internalState[2], c3 = internalState[3];
ulong c4 = internalState[4], c5 = internalState[5], c6 = internalState[6], c7 = internalState[7];
ulong d;
d = (c0 ^ c4) & 0xFFFFFFFF00000000UL; c0 ^= d; c4 ^= d;
d = (c1 ^ c5) & 0x00FFFFFFFF000000UL; c1 ^= d; c5 ^= d;
d = (c2 ^ c6) & 0x0000FFFFFFFF0000UL; c2 ^= d; c6 ^= d;
d = (c3 ^ c7) & 0x000000FFFFFFFF00UL; c3 ^= d; c7 ^= d;
d = (c0 ^ c2) & 0xFFFF0000FFFF0000UL; c0 ^= d; c2 ^= d;
d = (c1 ^ c3) & 0x00FFFF0000FFFF00UL; c1 ^= d; c3 ^= d;
d = (c4 ^ c6) & 0xFFFF0000FFFF0000UL; c4 ^= d; c6 ^= d;
d = (c5 ^ c7) & 0x00FFFF0000FFFF00UL; c5 ^= d; c7 ^= d;
d = (c0 ^ c1) & 0xFF00FF00FF00FF00UL; c0 ^= d; c1 ^= d;
d = (c2 ^ c3) & 0xFF00FF00FF00FF00UL; c2 ^= d; c3 ^= d;
d = (c4 ^ c5) & 0xFF00FF00FF00FF00UL; c4 ^= d; c5 ^= d;
d = (c6 ^ c7) & 0xFF00FF00FF00FF00UL; c6 ^= d; c7 ^= d;
internalState[0] = c0;
internalState[1] = c1;
internalState[2] = c2;
internalState[3] = c3;
internalState[4] = c4;
internalState[5] = c5;
internalState[6] = c6;
internalState[7] = c7;
break;
}
default:
{
throw new InvalidOperationException("unsupported block length: only 128/256/512 are allowed");
}
}
}
private void InvShiftRows()
{
switch (wordsInBlock)
{
case 2:
{
ulong c0 = internalState[0], c1 = internalState[1];
ulong d;
d = (c0 ^ c1) & 0xFFFFFFFF00000000UL; c0 ^= d; c1 ^= d;
internalState[0] = c0;
internalState[1] = c1;
break;
}
case 4:
{
ulong c0 = internalState[0], c1 = internalState[1], c2 = internalState[2], c3 = internalState[3];
ulong d;
d = (c0 ^ c1) & 0xFFFF0000FFFF0000UL; c0 ^= d; c1 ^= d;
d = (c2 ^ c3) & 0xFFFF0000FFFF0000UL; c2 ^= d; c3 ^= d;
d = (c0 ^ c2) & 0xFFFFFFFF00000000UL; c0 ^= d; c2 ^= d;
d = (c1 ^ c3) & 0x0000FFFFFFFF0000UL; c1 ^= d; c3 ^= d;
internalState[0] = c0;
internalState[1] = c1;
internalState[2] = c2;
internalState[3] = c3;
break;
}
case 8:
{
ulong c0 = internalState[0], c1 = internalState[1], c2 = internalState[2], c3 = internalState[3];
ulong c4 = internalState[4], c5 = internalState[5], c6 = internalState[6], c7 = internalState[7];
ulong d;
d = (c0 ^ c1) & 0xFF00FF00FF00FF00UL; c0 ^= d; c1 ^= d;
d = (c2 ^ c3) & 0xFF00FF00FF00FF00UL; c2 ^= d; c3 ^= d;
d = (c4 ^ c5) & 0xFF00FF00FF00FF00UL; c4 ^= d; c5 ^= d;
d = (c6 ^ c7) & 0xFF00FF00FF00FF00UL; c6 ^= d; c7 ^= d;
d = (c0 ^ c2) & 0xFFFF0000FFFF0000UL; c0 ^= d; c2 ^= d;
d = (c1 ^ c3) & 0x00FFFF0000FFFF00UL; c1 ^= d; c3 ^= d;
d = (c4 ^ c6) & 0xFFFF0000FFFF0000UL; c4 ^= d; c6 ^= d;
d = (c5 ^ c7) & 0x00FFFF0000FFFF00UL; c5 ^= d; c7 ^= d;
d = (c0 ^ c4) & 0xFFFFFFFF00000000UL; c0 ^= d; c4 ^= d;
d = (c1 ^ c5) & 0x00FFFFFFFF000000UL; c1 ^= d; c5 ^= d;
d = (c2 ^ c6) & 0x0000FFFFFFFF0000UL; c2 ^= d; c6 ^= d;
d = (c3 ^ c7) & 0x000000FFFFFFFF00UL; c3 ^= d; c7 ^= d;
internalState[0] = c0;
internalState[1] = c1;
internalState[2] = c2;
internalState[3] = c3;
internalState[4] = c4;
internalState[5] = c5;
internalState[6] = c6;
internalState[7] = c7;
break;
}
default:
{
throw new InvalidOperationException("unsupported block length: only 128/256/512 are allowed");
}
}
}
private void AddRoundKey(int round)
{
ulong[] roundKey = roundKeys[round];
for (int i = 0; i < wordsInBlock; ++i)
{
internalState[i] += roundKey[i];
}
}
private void SubRoundKey(int round)
{
ulong[] roundKey = roundKeys[round];
for (int i = 0; i < wordsInBlock; ++i)
{
internalState[i] -= roundKey[i];
}
}
private void XorRoundKey(int round)
{
ulong[] roundKey = roundKeys[round];
for (int i = 0; i < wordsInBlock; i++)
{
internalState[i] ^= roundKey[i];
}
}
private static ulong MixColumn(ulong c)
{
//// Calculate column multiplied by powers of 'x'
//ulong x0 = c;
//ulong x1 = MulX(x0);
//ulong x2 = MulX(x1);
//ulong x3 = MulX(x2);
//// Calculate products with circulant matrix from (0x01, 0x01, 0x05, 0x01, 0x08, 0x06, 0x07, 0x04)
//ulong m0 = x0;
//ulong m1 = x0;
//ulong m2 = x0 ^ x2;
//ulong m3 = x0;
//ulong m4 = x3;
//ulong m5 = x1 ^ x2;
//ulong m6 = x0 ^ x1 ^ x2;
//ulong m7 = x2;
//// Assemble the rotated products
//return m0
// ^ Rotate(8, m1)
// ^ Rotate(16, m2)
// ^ Rotate(24, m3)
// ^ Rotate(32, m4)
// ^ Rotate(40, m5)
// ^ Rotate(48, m6)
// ^ Rotate(56, m7);
ulong x1 = MulX(c);
ulong u, v;
u = Rotate(8, c) ^ c;
u ^= Rotate(16, u);
u ^= Rotate(48, c);
v = MulX2(u ^ c ^ x1);
return u ^ Rotate(32, v) ^ Rotate(40, x1) ^ Rotate(48, x1);
}
private void MixColumns()
{
for (int col = 0; col < wordsInBlock; ++col)
{
internalState[col] = MixColumn(internalState[col]);
}
}
private static ulong MixColumnInv(ulong c)
{
/*
// Calculate column multiplied by powers of 'x'
ulong x0 = c;
ulong x1 = MulX(x0);
ulong x2 = MulX(x1);
ulong x3 = MulX(x2);
ulong x4 = MulX(x3);
ulong x5 = MulX(x4);
ulong x6 = MulX(x5);
ulong x7 = MulX(x6);
// Calculate products with circulant matrix from (0xAD,0x95,0x76,0xA8,0x2F,0x49,0xD7,0xCA)
//long m0 = x0 ^ x2 ^ x3 ^ x5 ^ x7;
//long m1 = x0 ^ x2 ^ x4 ^ x7;
//long m2 = x1 ^ x2 ^ x4 ^ x5 ^ x6;
//long m3 = x3 ^ x5 ^ x7;
//long m4 = x0 ^ x1 ^ x2 ^ x3 ^ x5;
//long m5 = x0 ^ x3 ^ x6;
//long m6 = x0 ^ x1 ^ x2 ^ x4 ^ x6 ^ x7;
//long m7 = x1 ^ x3 ^ x6 ^ x7;
ulong m5 = x0 ^ x3 ^ x6;
x0 ^= x2;
ulong m3 = x3 ^ x5 ^ x7;
ulong m0 = m3 ^ x0;
ulong m6 = x0 ^ x4;
ulong m1 = m6 ^ x7;
x5 ^= x1;
x7 ^= x1 ^ x6;
ulong m2 = x2 ^ x4 ^ x5 ^ x6;
ulong m4 = x0 ^ x3 ^ x5;
m6 ^= x7;
ulong m7 = x3 ^ x7;
// Assemble the rotated products
return m0
^ Rotate(8, m1)
^ Rotate(16, m2)
^ Rotate(24, m3)
^ Rotate(32, m4)
^ Rotate(40, m5)
^ Rotate(48, m6)
^ Rotate(56, m7);
*/
ulong u0 = c;
u0 ^= Rotate( 8, u0);
u0 ^= Rotate(32, u0);
u0 ^= Rotate(48, c);
ulong t = u0 ^ c;
ulong c48 = Rotate(48, c);
ulong c56 = Rotate(56, c);
ulong u7 = t ^ c56;
ulong u6 = Rotate(56, t);
u6 ^= MulX(u7);
ulong u5 = Rotate(16, t) ^ c;
u5 ^= Rotate(40, MulX(u6) ^ c);
ulong u4 = t ^ c48;
u4 ^= MulX(u5);
ulong u3 = Rotate(16, u0);
u3 ^= MulX(u4);
ulong u2 = t ^ Rotate(24, c) ^ c48 ^ c56;
u2 ^= MulX(u3);
ulong u1 = Rotate(32, t) ^ c ^ c56;
u1 ^= MulX(u2);
u0 ^= MulX(Rotate(40, u1));
return u0;
}
private void MixColumnsInv()
{
for (int col = 0; col < wordsInBlock; ++col)
{
internalState[col] = MixColumnInv(internalState[col]);
}
}
private static ulong MulX(ulong n)
{
return ((n & 0x7F7F7F7F7F7F7F7FUL) << 1) ^ (((n & 0x8080808080808080UL) >> 7) * 0x1DUL);
}
private static ulong MulX2(ulong n)
{
return ((n & 0x3F3F3F3F3F3F3F3FUL) << 2) ^ (((n & 0x8080808080808080UL) >> 6) * 0x1DUL) ^ (((n & 0x4040404040404040UL) >> 6) * 0x1DUL);
}
//private static ulong MulX4(ulong n)
//{
// ulong u = n & 0xF0F0F0F0F0F0F0F0UL;
// return ((n & 0x0F0F0F0F0F0F0F0FUL) << 4) ^ u ^ (u >> 1) ^ (u >> 2) ^ (u >> 4);
//}
/*
* Pair-wise modular multiplication of 8 byte-pairs.
*
* REDUCTION_POLYNOMIAL is x^8 + x^4 + x^3 + x^2 + 1
*/
//private static ulong MultiplyGFx8(ulong u, ulong v, int vMaxDegree)
//{
// ulong r = u & ((v & 0x0101010101010101UL) * 0xFFUL);
// for (int i = 1; i <= vMaxDegree; ++i)
// {
// u = ((u & 0x7F7F7F7F7F7F7F7FUL) << 1) ^ (((u >> 7) & 0x0101010101010101UL) * 0x1DUL);
// v >>= 1;
// r ^= u & ((v & 0x0101010101010101UL) * 0xFFUL);
// }
// return r;
//}
//private static ulong MultiplyMds(ulong u)
//{
// ulong r = 0, s = 0, t = (u >> 8);
// r ^= u & 0x0000001F00000000UL; r <<= 1;
// s ^= t & 0x00000000E0000000UL; s <<= 1;
// r ^= u & 0x3F3F3F00003F0000UL; r <<= 1;
// s ^= t & 0x00C0C0C00000C000UL; s <<= 1;
// r ^= u & 0x007F7F0000000000UL; r <<= 1;
// s ^= t & 0x0000808000000000UL; s <<= 1;
// r ^= u & 0x00FF0000FFFFFFFFUL;
// r ^= s ^ (s << 2) ^ (s << 3) ^ (s << 4);
// return r;
//}
private static ulong Rotate(int n, ulong x)
{
return (x >> n) | (x << -n);
}
private void RotateLeft(ulong[] x, ulong[] z)
{
switch (wordsInBlock)
{
case 2:
{
ulong x0 = x[0], x1 = x[1];
z[0] = (x0 >> 56) | (x1 << 8);
z[1] = (x1 >> 56) | (x0 << 8);
break;
}
case 4:
{
ulong x0 = x[0], x1 = x[1], x2 = x[2], x3 = x[3];
z[0] = (x1 >> 24) | (x2 << 40);
z[1] = (x2 >> 24) | (x3 << 40);
z[2] = (x3 >> 24) | (x0 << 40);
z[3] = (x0 >> 24) | (x1 << 40);
break;
}
case 8:
{
ulong x0 = x[0], x1 = x[1], x2 = x[2], x3 = x[3];
ulong x4 = x[4], x5 = x[5], x6 = x[6], x7 = x[7];
z[0] = (x2 >> 24) | (x3 << 40);
z[1] = (x3 >> 24) | (x4 << 40);
z[2] = (x4 >> 24) | (x5 << 40);
z[3] = (x5 >> 24) | (x6 << 40);
z[4] = (x6 >> 24) | (x7 << 40);
z[5] = (x7 >> 24) | (x0 << 40);
z[6] = (x0 >> 24) | (x1 << 40);
z[7] = (x1 >> 24) | (x2 << 40);
break;
}
default:
{
throw new InvalidOperationException("unsupported block length: only 128/256/512 are allowed");
}
}
}
#region TABLES AND S-BOXES
private const ulong mdsMatrix = 0x0407060801050101UL;
private const ulong mdsInvMatrix = 0xCAD7492FA87695ADUL;
private static readonly byte[] S0 = new byte[]{
0xa8, 0x43, 0x5f, 0x06, 0x6b, 0x75, 0x6c, 0x59, 0x71, 0xdf, 0x87, 0x95, 0x17, 0xf0, 0xd8, 0x09,
0x6d, 0xf3, 0x1d, 0xcb, 0xc9, 0x4d, 0x2c, 0xaf, 0x79, 0xe0, 0x97, 0xfd, 0x6f, 0x4b, 0x45, 0x39,
0x3e, 0xdd, 0xa3, 0x4f, 0xb4, 0xb6, 0x9a, 0x0e, 0x1f, 0xbf, 0x15, 0xe1, 0x49, 0xd2, 0x93, 0xc6,
0x92, 0x72, 0x9e, 0x61, 0xd1, 0x63, 0xfa, 0xee, 0xf4, 0x19, 0xd5, 0xad, 0x58, 0xa4, 0xbb, 0xa1,
0xdc, 0xf2, 0x83, 0x37, 0x42, 0xe4, 0x7a, 0x32, 0x9c, 0xcc, 0xab, 0x4a, 0x8f, 0x6e, 0x04, 0x27,
0x2e, 0xe7, 0xe2, 0x5a, 0x96, 0x16, 0x23, 0x2b, 0xc2, 0x65, 0x66, 0x0f, 0xbc, 0xa9, 0x47, 0x41,
0x34, 0x48, 0xfc, 0xb7, 0x6a, 0x88, 0xa5, 0x53, 0x86, 0xf9, 0x5b, 0xdb, 0x38, 0x7b, 0xc3, 0x1e,
0x22, 0x33, 0x24, 0x28, 0x36, 0xc7, 0xb2, 0x3b, 0x8e, 0x77, 0xba, 0xf5, 0x14, 0x9f, 0x08, 0x55,
0x9b, 0x4c, 0xfe, 0x60, 0x5c, 0xda, 0x18, 0x46, 0xcd, 0x7d, 0x21, 0xb0, 0x3f, 0x1b, 0x89, 0xff,
0xeb, 0x84, 0x69, 0x3a, 0x9d, 0xd7, 0xd3, 0x70, 0x67, 0x40, 0xb5, 0xde, 0x5d, 0x30, 0x91, 0xb1,
0x78, 0x11, 0x01, 0xe5, 0x00, 0x68, 0x98, 0xa0, 0xc5, 0x02, 0xa6, 0x74, 0x2d, 0x0b, 0xa2, 0x76,
0xb3, 0xbe, 0xce, 0xbd, 0xae, 0xe9, 0x8a, 0x31, 0x1c, 0xec, 0xf1, 0x99, 0x94, 0xaa, 0xf6, 0x26,
0x2f, 0xef, 0xe8, 0x8c, 0x35, 0x03, 0xd4, 0x7f, 0xfb, 0x05, 0xc1, 0x5e, 0x90, 0x20, 0x3d, 0x82,
0xf7, 0xea, 0x0a, 0x0d, 0x7e, 0xf8, 0x50, 0x1a, 0xc4, 0x07, 0x57, 0xb8, 0x3c, 0x62, 0xe3, 0xc8,
0xac, 0x52, 0x64, 0x10, 0xd0, 0xd9, 0x13, 0x0c, 0x12, 0x29, 0x51, 0xb9, 0xcf, 0xd6, 0x73, 0x8d,
0x81, 0x54, 0xc0, 0xed, 0x4e, 0x44, 0xa7, 0x2a, 0x85, 0x25, 0xe6, 0xca, 0x7c, 0x8b, 0x56, 0x80
};
private static readonly byte[] S1 = new byte[]{
0xce, 0xbb, 0xeb, 0x92, 0xea, 0xcb, 0x13, 0xc1, 0xe9, 0x3a, 0xd6, 0xb2, 0xd2, 0x90, 0x17, 0xf8,
0x42, 0x15, 0x56, 0xb4, 0x65, 0x1c, 0x88, 0x43, 0xc5, 0x5c, 0x36, 0xba, 0xf5, 0x57, 0x67, 0x8d,
0x31, 0xf6, 0x64, 0x58, 0x9e, 0xf4, 0x22, 0xaa, 0x75, 0x0f, 0x02, 0xb1, 0xdf, 0x6d, 0x73, 0x4d,
0x7c, 0x26, 0x2e, 0xf7, 0x08, 0x5d, 0x44, 0x3e, 0x9f, 0x14, 0xc8, 0xae, 0x54, 0x10, 0xd8, 0xbc,
0x1a, 0x6b, 0x69, 0xf3, 0xbd, 0x33, 0xab, 0xfa, 0xd1, 0x9b, 0x68, 0x4e, 0x16, 0x95, 0x91, 0xee,
0x4c, 0x63, 0x8e, 0x5b, 0xcc, 0x3c, 0x19, 0xa1, 0x81, 0x49, 0x7b, 0xd9, 0x6f, 0x37, 0x60, 0xca,
0xe7, 0x2b, 0x48, 0xfd, 0x96, 0x45, 0xfc, 0x41, 0x12, 0x0d, 0x79, 0xe5, 0x89, 0x8c, 0xe3, 0x20,
0x30, 0xdc, 0xb7, 0x6c, 0x4a, 0xb5, 0x3f, 0x97, 0xd4, 0x62, 0x2d, 0x06, 0xa4, 0xa5, 0x83, 0x5f,
0x2a, 0xda, 0xc9, 0x00, 0x7e, 0xa2, 0x55, 0xbf, 0x11, 0xd5, 0x9c, 0xcf, 0x0e, 0x0a, 0x3d, 0x51,
0x7d, 0x93, 0x1b, 0xfe, 0xc4, 0x47, 0x09, 0x86, 0x0b, 0x8f, 0x9d, 0x6a, 0x07, 0xb9, 0xb0, 0x98,
0x18, 0x32, 0x71, 0x4b, 0xef, 0x3b, 0x70, 0xa0, 0xe4, 0x40, 0xff, 0xc3, 0xa9, 0xe6, 0x78, 0xf9,
0x8b, 0x46, 0x80, 0x1e, 0x38, 0xe1, 0xb8, 0xa8, 0xe0, 0x0c, 0x23, 0x76, 0x1d, 0x25, 0x24, 0x05,
0xf1, 0x6e, 0x94, 0x28, 0x9a, 0x84, 0xe8, 0xa3, 0x4f, 0x77, 0xd3, 0x85, 0xe2, 0x52, 0xf2, 0x82,
0x50, 0x7a, 0x2f, 0x74, 0x53, 0xb3, 0x61, 0xaf, 0x39, 0x35, 0xde, 0xcd, 0x1f, 0x99, 0xac, 0xad,
0x72, 0x2c, 0xdd, 0xd0, 0x87, 0xbe, 0x5e, 0xa6, 0xec, 0x04, 0xc6, 0x03, 0x34, 0xfb, 0xdb, 0x59,
0xb6, 0xc2, 0x01, 0xf0, 0x5a, 0xed, 0xa7, 0x66, 0x21, 0x7f, 0x8a, 0x27, 0xc7, 0xc0, 0x29, 0xd7
};
private static readonly byte[] S2 = new byte[]{
0x93, 0xd9, 0x9a, 0xb5, 0x98, 0x22, 0x45, 0xfc, 0xba, 0x6a, 0xdf, 0x02, 0x9f, 0xdc, 0x51, 0x59,
0x4a, 0x17, 0x2b, 0xc2, 0x94, 0xf4, 0xbb, 0xa3, 0x62, 0xe4, 0x71, 0xd4, 0xcd, 0x70, 0x16, 0xe1,
0x49, 0x3c, 0xc0, 0xd8, 0x5c, 0x9b, 0xad, 0x85, 0x53, 0xa1, 0x7a, 0xc8, 0x2d, 0xe0, 0xd1, 0x72,
0xa6, 0x2c, 0xc4, 0xe3, 0x76, 0x78, 0xb7, 0xb4, 0x09, 0x3b, 0x0e, 0x41, 0x4c, 0xde, 0xb2, 0x90,
0x25, 0xa5, 0xd7, 0x03, 0x11, 0x00, 0xc3, 0x2e, 0x92, 0xef, 0x4e, 0x12, 0x9d, 0x7d, 0xcb, 0x35,
0x10, 0xd5, 0x4f, 0x9e, 0x4d, 0xa9, 0x55, 0xc6, 0xd0, 0x7b, 0x18, 0x97, 0xd3, 0x36, 0xe6, 0x48,
0x56, 0x81, 0x8f, 0x77, 0xcc, 0x9c, 0xb9, 0xe2, 0xac, 0xb8, 0x2f, 0x15, 0xa4, 0x7c, 0xda, 0x38,
0x1e, 0x0b, 0x05, 0xd6, 0x14, 0x6e, 0x6c, 0x7e, 0x66, 0xfd, 0xb1, 0xe5, 0x60, 0xaf, 0x5e, 0x33,
0x87, 0xc9, 0xf0, 0x5d, 0x6d, 0x3f, 0x88, 0x8d, 0xc7, 0xf7, 0x1d, 0xe9, 0xec, 0xed, 0x80, 0x29,
0x27, 0xcf, 0x99, 0xa8, 0x50, 0x0f, 0x37, 0x24, 0x28, 0x30, 0x95, 0xd2, 0x3e, 0x5b, 0x40, 0x83,
0xb3, 0x69, 0x57, 0x1f, 0x07, 0x1c, 0x8a, 0xbc, 0x20, 0xeb, 0xce, 0x8e, 0xab, 0xee, 0x31, 0xa2,
0x73, 0xf9, 0xca, 0x3a, 0x1a, 0xfb, 0x0d, 0xc1, 0xfe, 0xfa, 0xf2, 0x6f, 0xbd, 0x96, 0xdd, 0x43,
0x52, 0xb6, 0x08, 0xf3, 0xae, 0xbe, 0x19, 0x89, 0x32, 0x26, 0xb0, 0xea, 0x4b, 0x64, 0x84, 0x82,
0x6b, 0xf5, 0x79, 0xbf, 0x01, 0x5f, 0x75, 0x63, 0x1b, 0x23, 0x3d, 0x68, 0x2a, 0x65, 0xe8, 0x91,
0xf6, 0xff, 0x13, 0x58, 0xf1, 0x47, 0x0a, 0x7f, 0xc5, 0xa7, 0xe7, 0x61, 0x5a, 0x06, 0x46, 0x44,
0x42, 0x04, 0xa0, 0xdb, 0x39, 0x86, 0x54, 0xaa, 0x8c, 0x34, 0x21, 0x8b, 0xf8, 0x0c, 0x74, 0x67
};
private static readonly byte[] S3 = new byte[]{
0x68, 0x8d, 0xca, 0x4d, 0x73, 0x4b, 0x4e, 0x2a, 0xd4, 0x52, 0x26, 0xb3, 0x54, 0x1e, 0x19, 0x1f,
0x22, 0x03, 0x46, 0x3d, 0x2d, 0x4a, 0x53, 0x83, 0x13, 0x8a, 0xb7, 0xd5, 0x25, 0x79, 0xf5, 0xbd,
0x58, 0x2f, 0x0d, 0x02, 0xed, 0x51, 0x9e, 0x11, 0xf2, 0x3e, 0x55, 0x5e, 0xd1, 0x16, 0x3c, 0x66,
0x70, 0x5d, 0xf3, 0x45, 0x40, 0xcc, 0xe8, 0x94, 0x56, 0x08, 0xce, 0x1a, 0x3a, 0xd2, 0xe1, 0xdf,
0xb5, 0x38, 0x6e, 0x0e, 0xe5, 0xf4, 0xf9, 0x86, 0xe9, 0x4f, 0xd6, 0x85, 0x23, 0xcf, 0x32, 0x99,
0x31, 0x14, 0xae, 0xee, 0xc8, 0x48, 0xd3, 0x30, 0xa1, 0x92, 0x41, 0xb1, 0x18, 0xc4, 0x2c, 0x71,
0x72, 0x44, 0x15, 0xfd, 0x37, 0xbe, 0x5f, 0xaa, 0x9b, 0x88, 0xd8, 0xab, 0x89, 0x9c, 0xfa, 0x60,
0xea, 0xbc, 0x62, 0x0c, 0x24, 0xa6, 0xa8, 0xec, 0x67, 0x20, 0xdb, 0x7c, 0x28, 0xdd, 0xac, 0x5b,
0x34, 0x7e, 0x10, 0xf1, 0x7b, 0x8f, 0x63, 0xa0, 0x05, 0x9a, 0x43, 0x77, 0x21, 0xbf, 0x27, 0x09,
0xc3, 0x9f, 0xb6, 0xd7, 0x29, 0xc2, 0xeb, 0xc0, 0xa4, 0x8b, 0x8c, 0x1d, 0xfb, 0xff, 0xc1, 0xb2,
0x97, 0x2e, 0xf8, 0x65, 0xf6, 0x75, 0x07, 0x04, 0x49, 0x33, 0xe4, 0xd9, 0xb9, 0xd0, 0x42, 0xc7,
0x6c, 0x90, 0x00, 0x8e, 0x6f, 0x50, 0x01, 0xc5, 0xda, 0x47, 0x3f, 0xcd, 0x69, 0xa2, 0xe2, 0x7a,
0xa7, 0xc6, 0x93, 0x0f, 0x0a, 0x06, 0xe6, 0x2b, 0x96, 0xa3, 0x1c, 0xaf, 0x6a, 0x12, 0x84, 0x39,
0xe7, 0xb0, 0x82, 0xf7, 0xfe, 0x9d, 0x87, 0x5c, 0x81, 0x35, 0xde, 0xb4, 0xa5, 0xfc, 0x80, 0xef,
0xcb, 0xbb, 0x6b, 0x76, 0xba, 0x5a, 0x7d, 0x78, 0x0b, 0x95, 0xe3, 0xad, 0x74, 0x98, 0x3b, 0x36,
0x64, 0x6d, 0xdc, 0xf0, 0x59, 0xa9, 0x4c, 0x17, 0x7f, 0x91, 0xb8, 0xc9, 0x57, 0x1b, 0xe0, 0x61
};
private static readonly byte[] T0 = new byte[]{
0xa4, 0xa2, 0xa9, 0xc5, 0x4e, 0xc9, 0x03, 0xd9, 0x7e, 0x0f, 0xd2, 0xad, 0xe7, 0xd3, 0x27, 0x5b,
0xe3, 0xa1, 0xe8, 0xe6, 0x7c, 0x2a, 0x55, 0x0c, 0x86, 0x39, 0xd7, 0x8d, 0xb8, 0x12, 0x6f, 0x28,
0xcd, 0x8a, 0x70, 0x56, 0x72, 0xf9, 0xbf, 0x4f, 0x73, 0xe9, 0xf7, 0x57, 0x16, 0xac, 0x50, 0xc0,
0x9d, 0xb7, 0x47, 0x71, 0x60, 0xc4, 0x74, 0x43, 0x6c, 0x1f, 0x93, 0x77, 0xdc, 0xce, 0x20, 0x8c,
0x99, 0x5f, 0x44, 0x01, 0xf5, 0x1e, 0x87, 0x5e, 0x61, 0x2c, 0x4b, 0x1d, 0x81, 0x15, 0xf4, 0x23,
0xd6, 0xea, 0xe1, 0x67, 0xf1, 0x7f, 0xfe, 0xda, 0x3c, 0x07, 0x53, 0x6a, 0x84, 0x9c, 0xcb, 0x02,
0x83, 0x33, 0xdd, 0x35, 0xe2, 0x59, 0x5a, 0x98, 0xa5, 0x92, 0x64, 0x04, 0x06, 0x10, 0x4d, 0x1c,
0x97, 0x08, 0x31, 0xee, 0xab, 0x05, 0xaf, 0x79, 0xa0, 0x18, 0x46, 0x6d, 0xfc, 0x89, 0xd4, 0xc7,
0xff, 0xf0, 0xcf, 0x42, 0x91, 0xf8, 0x68, 0x0a, 0x65, 0x8e, 0xb6, 0xfd, 0xc3, 0xef, 0x78, 0x4c,
0xcc, 0x9e, 0x30, 0x2e, 0xbc, 0x0b, 0x54, 0x1a, 0xa6, 0xbb, 0x26, 0x80, 0x48, 0x94, 0x32, 0x7d,
0xa7, 0x3f, 0xae, 0x22, 0x3d, 0x66, 0xaa, 0xf6, 0x00, 0x5d, 0xbd, 0x4a, 0xe0, 0x3b, 0xb4, 0x17,
0x8b, 0x9f, 0x76, 0xb0, 0x24, 0x9a, 0x25, 0x63, 0xdb, 0xeb, 0x7a, 0x3e, 0x5c, 0xb3, 0xb1, 0x29,
0xf2, 0xca, 0x58, 0x6e, 0xd8, 0xa8, 0x2f, 0x75, 0xdf, 0x14, 0xfb, 0x13, 0x49, 0x88, 0xb2, 0xec,
0xe4, 0x34, 0x2d, 0x96, 0xc6, 0x3a, 0xed, 0x95, 0x0e, 0xe5, 0x85, 0x6b, 0x40, 0x21, 0x9b, 0x09,
0x19, 0x2b, 0x52, 0xde, 0x45, 0xa3, 0xfa, 0x51, 0xc2, 0xb5, 0xd1, 0x90, 0xb9, 0xf3, 0x37, 0xc1,
0x0d, 0xba, 0x41, 0x11, 0x38, 0x7b, 0xbe, 0xd0, 0xd5, 0x69, 0x36, 0xc8, 0x62, 0x1b, 0x82, 0x8f
};
private static readonly byte[] T1 = new byte[]{
0x83, 0xf2, 0x2a, 0xeb, 0xe9, 0xbf, 0x7b, 0x9c, 0x34, 0x96, 0x8d, 0x98, 0xb9, 0x69, 0x8c, 0x29,
0x3d, 0x88, 0x68, 0x06, 0x39, 0x11, 0x4c, 0x0e, 0xa0, 0x56, 0x40, 0x92, 0x15, 0xbc, 0xb3, 0xdc,
0x6f, 0xf8, 0x26, 0xba, 0xbe, 0xbd, 0x31, 0xfb, 0xc3, 0xfe, 0x80, 0x61, 0xe1, 0x7a, 0x32, 0xd2,
0x70, 0x20, 0xa1, 0x45, 0xec, 0xd9, 0x1a, 0x5d, 0xb4, 0xd8, 0x09, 0xa5, 0x55, 0x8e, 0x37, 0x76,
0xa9, 0x67, 0x10, 0x17, 0x36, 0x65, 0xb1, 0x95, 0x62, 0x59, 0x74, 0xa3, 0x50, 0x2f, 0x4b, 0xc8,
0xd0, 0x8f, 0xcd, 0xd4, 0x3c, 0x86, 0x12, 0x1d, 0x23, 0xef, 0xf4, 0x53, 0x19, 0x35, 0xe6, 0x7f,
0x5e, 0xd6, 0x79, 0x51, 0x22, 0x14, 0xf7, 0x1e, 0x4a, 0x42, 0x9b, 0x41, 0x73, 0x2d, 0xc1, 0x5c,
0xa6, 0xa2, 0xe0, 0x2e, 0xd3, 0x28, 0xbb, 0xc9, 0xae, 0x6a, 0xd1, 0x5a, 0x30, 0x90, 0x84, 0xf9,
0xb2, 0x58, 0xcf, 0x7e, 0xc5, 0xcb, 0x97, 0xe4, 0x16, 0x6c, 0xfa, 0xb0, 0x6d, 0x1f, 0x52, 0x99,
0x0d, 0x4e, 0x03, 0x91, 0xc2, 0x4d, 0x64, 0x77, 0x9f, 0xdd, 0xc4, 0x49, 0x8a, 0x9a, 0x24, 0x38,
0xa7, 0x57, 0x85, 0xc7, 0x7c, 0x7d, 0xe7, 0xf6, 0xb7, 0xac, 0x27, 0x46, 0xde, 0xdf, 0x3b, 0xd7,
0x9e, 0x2b, 0x0b, 0xd5, 0x13, 0x75, 0xf0, 0x72, 0xb6, 0x9d, 0x1b, 0x01, 0x3f, 0x44, 0xe5, 0x87,
0xfd, 0x07, 0xf1, 0xab, 0x94, 0x18, 0xea, 0xfc, 0x3a, 0x82, 0x5f, 0x05, 0x54, 0xdb, 0x00, 0x8b,
0xe3, 0x48, 0x0c, 0xca, 0x78, 0x89, 0x0a, 0xff, 0x3e, 0x5b, 0x81, 0xee, 0x71, 0xe2, 0xda, 0x2c,
0xb8, 0xb5, 0xcc, 0x6e, 0xa8, 0x6b, 0xad, 0x60, 0xc6, 0x08, 0x04, 0x02, 0xe8, 0xf5, 0x4f, 0xa4,
0xf3, 0xc0, 0xce, 0x43, 0x25, 0x1c, 0x21, 0x33, 0x0f, 0xaf, 0x47, 0xed, 0x66, 0x63, 0x93, 0xaa
};
private static readonly byte[] T2 = new byte[]{
0x45, 0xd4, 0x0b, 0x43, 0xf1, 0x72, 0xed, 0xa4, 0xc2, 0x38, 0xe6, 0x71, 0xfd, 0xb6, 0x3a, 0x95,
0x50, 0x44, 0x4b, 0xe2, 0x74, 0x6b, 0x1e, 0x11, 0x5a, 0xc6, 0xb4, 0xd8, 0xa5, 0x8a, 0x70, 0xa3,
0xa8, 0xfa, 0x05, 0xd9, 0x97, 0x40, 0xc9, 0x90, 0x98, 0x8f, 0xdc, 0x12, 0x31, 0x2c, 0x47, 0x6a,
0x99, 0xae, 0xc8, 0x7f, 0xf9, 0x4f, 0x5d, 0x96, 0x6f, 0xf4, 0xb3, 0x39, 0x21, 0xda, 0x9c, 0x85,
0x9e, 0x3b, 0xf0, 0xbf, 0xef, 0x06, 0xee, 0xe5, 0x5f, 0x20, 0x10, 0xcc, 0x3c, 0x54, 0x4a, 0x52,
0x94, 0x0e, 0xc0, 0x28, 0xf6, 0x56, 0x60, 0xa2, 0xe3, 0x0f, 0xec, 0x9d, 0x24, 0x83, 0x7e, 0xd5,
0x7c, 0xeb, 0x18, 0xd7, 0xcd, 0xdd, 0x78, 0xff, 0xdb, 0xa1, 0x09, 0xd0, 0x76, 0x84, 0x75, 0xbb,
0x1d, 0x1a, 0x2f, 0xb0, 0xfe, 0xd6, 0x34, 0x63, 0x35, 0xd2, 0x2a, 0x59, 0x6d, 0x4d, 0x77, 0xe7,
0x8e, 0x61, 0xcf, 0x9f, 0xce, 0x27, 0xf5, 0x80, 0x86, 0xc7, 0xa6, 0xfb, 0xf8, 0x87, 0xab, 0x62,
0x3f, 0xdf, 0x48, 0x00, 0x14, 0x9a, 0xbd, 0x5b, 0x04, 0x92, 0x02, 0x25, 0x65, 0x4c, 0x53, 0x0c,
0xf2, 0x29, 0xaf, 0x17, 0x6c, 0x41, 0x30, 0xe9, 0x93, 0x55, 0xf7, 0xac, 0x68, 0x26, 0xc4, 0x7d,
0xca, 0x7a, 0x3e, 0xa0, 0x37, 0x03, 0xc1, 0x36, 0x69, 0x66, 0x08, 0x16, 0xa7, 0xbc, 0xc5, 0xd3,
0x22, 0xb7, 0x13, 0x46, 0x32, 0xe8, 0x57, 0x88, 0x2b, 0x81, 0xb2, 0x4e, 0x64, 0x1c, 0xaa, 0x91,
0x58, 0x2e, 0x9b, 0x5c, 0x1b, 0x51, 0x73, 0x42, 0x23, 0x01, 0x6e, 0xf3, 0x0d, 0xbe, 0x3d, 0x0a,
0x2d, 0x1f, 0x67, 0x33, 0x19, 0x7b, 0x5e, 0xea, 0xde, 0x8b, 0xcb, 0xa9, 0x8c, 0x8d, 0xad, 0x49,
0x82, 0xe4, 0xba, 0xc3, 0x15, 0xd1, 0xe0, 0x89, 0xfc, 0xb1, 0xb9, 0xb5, 0x07, 0x79, 0xb8, 0xe1
};
private static readonly byte[] T3 = new byte[]{
0xb2, 0xb6, 0x23, 0x11, 0xa7, 0x88, 0xc5, 0xa6, 0x39, 0x8f, 0xc4, 0xe8, 0x73, 0x22, 0x43, 0xc3,
0x82, 0x27, 0xcd, 0x18, 0x51, 0x62, 0x2d, 0xf7, 0x5c, 0x0e, 0x3b, 0xfd, 0xca, 0x9b, 0x0d, 0x0f,
0x79, 0x8c, 0x10, 0x4c, 0x74, 0x1c, 0x0a, 0x8e, 0x7c, 0x94, 0x07, 0xc7, 0x5e, 0x14, 0xa1, 0x21,
0x57, 0x50, 0x4e, 0xa9, 0x80, 0xd9, 0xef, 0x64, 0x41, 0xcf, 0x3c, 0xee, 0x2e, 0x13, 0x29, 0xba,
0x34, 0x5a, 0xae, 0x8a, 0x61, 0x33, 0x12, 0xb9, 0x55, 0xa8, 0x15, 0x05, 0xf6, 0x03, 0x06, 0x49,
0xb5, 0x25, 0x09, 0x16, 0x0c, 0x2a, 0x38, 0xfc, 0x20, 0xf4, 0xe5, 0x7f, 0xd7, 0x31, 0x2b, 0x66,
0x6f, 0xff, 0x72, 0x86, 0xf0, 0xa3, 0x2f, 0x78, 0x00, 0xbc, 0xcc, 0xe2, 0xb0, 0xf1, 0x42, 0xb4,
0x30, 0x5f, 0x60, 0x04, 0xec, 0xa5, 0xe3, 0x8b, 0xe7, 0x1d, 0xbf, 0x84, 0x7b, 0xe6, 0x81, 0xf8,
0xde, 0xd8, 0xd2, 0x17, 0xce, 0x4b, 0x47, 0xd6, 0x69, 0x6c, 0x19, 0x99, 0x9a, 0x01, 0xb3, 0x85,
0xb1, 0xf9, 0x59, 0xc2, 0x37, 0xe9, 0xc8, 0xa0, 0xed, 0x4f, 0x89, 0x68, 0x6d, 0xd5, 0x26, 0x91,
0x87, 0x58, 0xbd, 0xc9, 0x98, 0xdc, 0x75, 0xc0, 0x76, 0xf5, 0x67, 0x6b, 0x7e, 0xeb, 0x52, 0xcb,
0xd1, 0x5b, 0x9f, 0x0b, 0xdb, 0x40, 0x92, 0x1a, 0xfa, 0xac, 0xe4, 0xe1, 0x71, 0x1f, 0x65, 0x8d,
0x97, 0x9e, 0x95, 0x90, 0x5d, 0xb7, 0xc1, 0xaf, 0x54, 0xfb, 0x02, 0xe0, 0x35, 0xbb, 0x3a, 0x4d,
0xad, 0x2c, 0x3d, 0x56, 0x08, 0x1b, 0x4a, 0x93, 0x6a, 0xab, 0xb8, 0x7a, 0xf2, 0x7d, 0xda, 0x3f,
0xfe, 0x3e, 0xbe, 0xea, 0xaa, 0x44, 0xc6, 0xd0, 0x36, 0x48, 0x70, 0x96, 0x77, 0x24, 0x53, 0xdf,
0xf3, 0x83, 0x28, 0x32, 0x45, 0x1e, 0xa4, 0xd3, 0xa2, 0x46, 0x6e, 0x9c, 0xdd, 0x63, 0xd4, 0x9d
};
#endregion
public virtual string AlgorithmName
{
get { return "DSTU7624"; }
}
public virtual int GetBlockSize()
{
return wordsInBlock << 3;
}
public virtual bool IsPartialBlockOkay
{
get { return false; }
}
public virtual void Reset()
{
Array.Clear(internalState, 0, internalState.Length);
}
}
}
#pragma warning restore
#endif