diff options
| -rw-r--r-- | crypto/src/crypto/engines/Dstu7624Engine.cs | 1283 |
1 files changed, 809 insertions, 474 deletions
diff --git a/crypto/src/crypto/engines/Dstu7624Engine.cs b/crypto/src/crypto/engines/Dstu7624Engine.cs index 534a23bbf..4242d3a7a 100644 --- a/crypto/src/crypto/engines/Dstu7624Engine.cs +++ b/crypto/src/crypto/engines/Dstu7624Engine.cs @@ -13,9 +13,6 @@ namespace Org.BouncyCastle.Crypto.Engines public class Dstu7624Engine : IBlockCipher { - private static readonly int BITS_IN_WORD = 64; - private static readonly int BITS_IN_BYTE = 8; - private ulong[] internalState; private ulong[] workingKey; private ulong[][] roundKeys; @@ -27,126 +24,91 @@ namespace Org.BouncyCastle.Crypto.Engines private int wordsInKey; /* Number of encryption rounds depending on key length */ - private static int ROUNDS_128 = 10; - private static int ROUNDS_256 = 14; - private static int ROUNDS_512 = 18; + private const int ROUNDS_128 = 10; + private const int ROUNDS_256 = 14; + private const int ROUNDS_512 = 18; - private int blockSizeBits; private int roundsAmount; private bool forEncryption; - private byte[] internalStateBytes; - private byte[] tempInternalStateBytes; - 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"); + throw new ArgumentException("unsupported block length: only 128/256/512 are allowed"); } - this.blockSizeBits = blockSizeBits; - wordsInBlock = blockSizeBits / BITS_IN_WORD; + wordsInBlock = blockSizeBits / 64; internalState = new ulong[wordsInBlock]; - - internalStateBytes = new byte[internalState.Length * 64 / BITS_IN_BYTE]; - tempInternalStateBytes = new byte[internalState.Length * 64 / BITS_IN_BYTE]; } #region INITIALIZATION + public virtual void Init(bool forEncryption, ICipherParameters parameters) { - if (parameters is KeyParameter) - { - this.forEncryption = forEncryption; - - byte[] keyBytes = ((KeyParameter)parameters).GetKey(); - int keyBitLength = keyBytes.Length * BITS_IN_BYTE; - int blockBitLength = wordsInBlock * BITS_IN_WORD; - - 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 (blockBitLength == 128) - { - if (keyBitLength == 512) - { - throw new ArgumentException("Unsupported key length"); - } - } - - if (blockBitLength == 256) - { - if (keyBitLength == 128) - { - throw new ArgumentException("Unsupported key length"); - } - } - - if (blockBitLength == 512) - { - if (keyBitLength != 512) - { - throw new ArgumentException("Unsupported key length"); - } - } + if (!(parameters is KeyParameter)) + throw new ArgumentException("Invalid parameter passed to Dstu7624Engine Init"); - switch (keyBitLength) - { - case 128: - roundsAmount = ROUNDS_128; - break; - case 256: - roundsAmount = ROUNDS_256; - break; - case 512: - roundsAmount = ROUNDS_512; - break; - } - - wordsInKey = keyBitLength / BITS_IN_WORD; - - /* +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]; - } + this.forEncryption = forEncryption; - workingKey = new ulong[wordsInKey]; + byte[] keyBytes = ((KeyParameter)parameters).GetKey(); + int keyBitLength = keyBytes.Length << 3; + int blockBitLength = wordsInBlock << 6; - if (keyBytes.Length != wordsInKey * BITS_IN_WORD / BITS_IN_BYTE) - { - throw new ArgumentException("Invalid key parameter passed to DSTU7624Engine init"); - } + if (keyBitLength != 128 && keyBitLength != 256 && keyBitLength != 512) + { + throw new ArgumentException("unsupported key length: only 128/256/512 are allowed"); + } - /* Unpack encryption key bytes to words */ - Pack.LE_To_UInt64(keyBytes, 0, workingKey); + /* 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"); + } - ulong[] kt = new ulong[wordsInBlock]; + switch (keyBitLength) + { + case 128: + roundsAmount = ROUNDS_128; + break; + case 256: + roundsAmount = ROUNDS_256; + break; + case 512: + roundsAmount = ROUNDS_512; + break; + } - KeyExpandKT(workingKey, kt); + wordsInKey = keyBitLength / 64; - KeyExpandEven(workingKey, kt); + /* +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]; + } - KeyExpandOdd(); + workingKey = new ulong[wordsInKey]; - } - else if (parameters != null) + if (keyBytes.Length != wordsInKey * 8) { - throw new ArgumentException("invalid parameter passed to Dstu7624 init - " - + Platform.GetTypeName(parameters)); + throw new ArgumentException("Invalid key parameter passed to Dstu7624Engine Init"); } - this.forEncryption = forEncryption; + /* 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 KeyExpandKT(ulong[] key, ulong[] kt) + private void WorkingKeyExpandKT(ulong[] workingKey, ulong[] tempKeys) { ulong[] k0 = new ulong[wordsInBlock]; ulong[] k1 = new ulong[wordsInBlock]; @@ -156,96 +118,114 @@ namespace Org.BouncyCastle.Crypto.Engines if (wordsInBlock == wordsInKey) { - Array.Copy(key, k0, k0.Length); - Array.Copy(key, k1, k1.Length); + Array.Copy(workingKey, 0, k0, 0, k0.Length); + Array.Copy(workingKey, 0, k1, 0, k1.Length); } else { - Array.Copy(key, 0, k0, 0, wordsInBlock); - Array.Copy(key, wordsInBlock, k1, 0, wordsInBlock); + Array.Copy(workingKey, 0, k0, 0, wordsInBlock); + Array.Copy(workingKey, wordsInBlock, k1, 0, wordsInBlock); } - AddRoundKeyExpand(k0); + + for (int wordIndex = 0; wordIndex < internalState.Length; wordIndex++) + { + internalState[wordIndex] += k0[wordIndex]; + } EncryptionRound(); - XorRoundKeyExpand(k1); + for (int wordIndex = 0; wordIndex < internalState.Length; wordIndex++) + { + internalState[wordIndex] ^= k1[wordIndex]; + } EncryptionRound(); - AddRoundKeyExpand(k0); + for (int wordIndex = 0; wordIndex < internalState.Length; wordIndex++) + { + internalState[wordIndex] += k0[wordIndex]; + } EncryptionRound(); - Array.Copy(internalState, kt, wordsInBlock); + Array.Copy(internalState, 0, tempKeys, 0, wordsInBlock); } - private void KeyExpandEven(ulong[] key, ulong[] kt) + private void WorkingKeyExpandEven(ulong[] workingKey, ulong[] tempKey) { - ulong[] initial_data = new ulong[wordsInKey]; - - ulong[] kt_round = new ulong[wordsInBlock]; - - ulong[] tmv = new ulong[wordsInBlock]; + ulong[] initialData = new ulong[wordsInKey]; + ulong[] tempRoundKey = new ulong[wordsInBlock]; int round = 0; - Array.Copy(key, initial_data, wordsInKey); + Array.Copy(workingKey, 0, initialData, 0, wordsInKey); - for (int i = 0; i < wordsInBlock; i++) - { - tmv[i] = 0x0001000100010001; - } + ulong tmv = 0x0001000100010001UL; while (true) { - Array.Copy(kt, internalState, wordsInBlock); - - AddRoundKeyExpand(tmv); - - Array.Copy(internalState, kt_round, wordsInBlock); - Array.Copy(initial_data, internalState, wordsInBlock); + for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) + { + tempRoundKey[wordIndex] = tempKey[wordIndex] + tmv; + } - AddRoundKeyExpand(kt_round); + for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) + { + internalState[wordIndex] = initialData[wordIndex] + tempRoundKey[wordIndex]; + } EncryptionRound(); - XorRoundKeyExpand(kt_round); + for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) + { + internalState[wordIndex] ^= tempRoundKey[wordIndex]; + } EncryptionRound(); - AddRoundKeyExpand(kt_round); + for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) + { + internalState[wordIndex] += tempRoundKey[wordIndex]; + } - Array.Copy(internalState, roundKeys[round], wordsInBlock); + Array.Copy(internalState, 0, roundKeys[round], 0, wordsInBlock); if (roundsAmount == round) { break; } + if (wordsInKey != wordsInBlock) { round += 2; + tmv <<= 1; - ShiftLeft(tmv); - - Array.Copy(kt, internalState, wordsInBlock); - - AddRoundKeyExpand(tmv); - - Array.Copy(internalState, kt_round, wordsInBlock); - Array.Copy(initial_data, wordsInBlock, internalState, 0, wordsInBlock); + for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) + { + tempRoundKey[wordIndex] = tempKey[wordIndex] + tmv; + } - AddRoundKeyExpand(kt_round); + for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) + { + internalState[wordIndex] = initialData[wordsInBlock + wordIndex] + tempRoundKey[wordIndex]; + } EncryptionRound(); - XorRoundKeyExpand(kt_round); + for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) + { + internalState[wordIndex] ^= tempRoundKey[wordIndex]; + } EncryptionRound(); - AddRoundKeyExpand(kt_round); + for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) + { + internalState[wordIndex] += tempRoundKey[wordIndex]; + } - Array.Copy(internalState, roundKeys[round], wordsInBlock); + Array.Copy(internalState, 0, roundKeys[round], 0, wordsInBlock); if (roundsAmount == round) { @@ -254,89 +234,99 @@ namespace Org.BouncyCastle.Crypto.Engines } round += 2; - ShiftLeft(tmv); + tmv <<= 1; - //Rotate initial data array on 1 element left - ulong temp = initial_data[0]; - Array.Copy(initial_data, 1, initial_data, 0, initial_data.Length - 1); - initial_data[initial_data.Length - 1] = temp; + ulong temp = initialData[0]; + for (int i = 1; i < initialData.Length; ++i) + { + initialData[i - 1] = initialData[i]; + } + initialData[initialData.Length - 1] = temp; } } - private void KeyExpandOdd() + + private void WorkingKeyExpandOdd() { - for (int i = 1; i < roundsAmount; i += 2) + for (int roundIndex = 1; roundIndex < roundsAmount; roundIndex += 2) { - Array.Copy(roundKeys[i - 1], roundKeys[i], wordsInBlock); - RotateLeft(roundKeys[i]); + RotateLeft(roundKeys[roundIndex - 1], roundKeys[roundIndex]); } } - #endregion + #endregion public virtual int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff) { if (workingKey == null) - throw new InvalidOperationException("Dstu7624 engine not initialised"); + 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(input, inOff, output, outOff); - } - else - { - Decrypt(input, inOff, output, outOff); - } - - return GetBlockSize(); - } - - private void Encrypt(byte[] plain, int inOff, byte[] cipherText, int outOff) - { - Pack.LE_To_UInt64(plain, inOff, internalState); + /* 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(); - int round = 0; - AddRoundKey(round); + if (++round == roundsAmount) + { + break; + } - while (++round < roundsAmount) - { - EncryptionRound(); - XorRoundKey(round); + XorRoundKey(round); + } + AddRoundKey(roundsAmount); + Pack.UInt64_To_LE(internalState, output, outOff); + break; + } + } } - - EncryptionRound(); - AddRoundKey(round); - - Pack.UInt64_To_LE(internalState, cipherText, outOff); - } - - private void Decrypt(byte[] cipherText, int inOff, byte[] decryptedText, int outOff) - { - Pack.LE_To_UInt64(cipherText, inOff, internalState); - - int round = roundsAmount; - SubRoundKey(round); - - while (--round > 0) + else { - DecryptionRound(); - XorRoundKey(round); + /* 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; + } + } } - DecryptionRound(); - SubRoundKey(round); - - Pack.UInt64_To_LE(internalState, decryptedText, outOff); - } - - private void AddRoundKeyExpand(ulong[] value) - { - for (int i = 0; i < wordsInBlock; i++) - { - internalState[i] += value[i]; - } + return GetBlockSize(); } private void EncryptionRound() @@ -348,393 +338,737 @@ namespace Org.BouncyCastle.Crypto.Engines private void DecryptionRound() { - InvMixColumns(); + MixColumnsInv(); InvShiftRows(); InvSubBytes(); } - private void RotateLeft(ulong[] state_value) + private void DecryptBlock_128(byte[] input, int inOff, byte[] output, int outOff) { - int rotateBytesLength = 2 * state_value.Length + 3; - int bytesLength = state_value.Length * (BITS_IN_WORD / BITS_IN_BYTE); + ulong c0 = Pack.LE_To_UInt64(input, inOff); + ulong c1 = Pack.LE_To_UInt64(input, inOff + 8); - byte[] bytes = Pack.UInt64_To_LE(state_value); - byte[] buffer = new byte[rotateBytesLength]; + 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); + } - Array.Copy(bytes, buffer, rotateBytesLength); + if (--round == 0) + { + break; + } - Buffer.BlockCopy(bytes, rotateBytesLength, bytes, 0, bytesLength - rotateBytesLength); + roundKey = roundKeys[round]; + c0 ^= roundKey[0]; + c1 ^= roundKey[1]; + } - Array.Copy(buffer, 0, bytes, bytesLength - rotateBytesLength, rotateBytesLength); + roundKey = roundKeys[0]; + c0 -= roundKey[0]; + c1 -= roundKey[1]; - Pack.LE_To_UInt64(bytes, 0, state_value); + Pack.UInt64_To_LE(c0, output, outOff); + Pack.UInt64_To_LE(c1, output, outOff + 8); } - private void ShiftLeft(ulong[] state_value) + private void EncryptBlock_128(byte[] input, int inOff, byte[] output, int outOff) { - for (int i = 0; i < state_value.Length; i++) + 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;;) { - state_value[i] <<= 1; + 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]; } - Array.Reverse(state_value); + + 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 XorRoundKeyExpand(ulong[] value) + private void SubBytes() { for (int i = 0; i < wordsInBlock; i++) { - internalState[i] ^= value[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 XorRoundKey(int round) + private void InvSubBytes() { - ulong[] roundKey = roundKeys[round]; for (int i = 0; i < wordsInBlock; i++) { - internalState[i] ^= roundKey[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() { - int row, col; - int shift = -1; + switch (wordsInBlock) + { + case 2: + { + ulong c0 = internalState[0], c1 = internalState[1]; + ulong d; - byte[] stateBytes = Pack.UInt64_To_LE(internalState); - byte[] nstate = new byte[wordsInBlock * 8]; + d = (c0 ^ c1) & 0xFFFFFFFF00000000UL; c0 ^= d; c1 ^= d; - for (row = 0; row < 8; row++) + internalState[0] = c0; + internalState[1] = c1; + break; + } + case 4: { - if (row % (8 / wordsInBlock) == 0) - { - shift += 1; - } + ulong c0 = internalState[0], c1 = internalState[1], c2 = internalState[2], c3 = internalState[3]; + ulong d; - for (col = 0; col < wordsInBlock; col++) - { - nstate[row + ((col + shift) % wordsInBlock) * 8] = stateBytes[row + col * 8]; - } - } + d = (c0 ^ c2) & 0xFFFFFFFF00000000UL; c0 ^= d; c2 ^= d; + d = (c1 ^ c3) & 0x0000FFFFFFFF0000UL; c1 ^= d; c3 ^= d; - Pack.LE_To_UInt64(nstate, 0, internalState); + 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() { - int row, col; - int shift = -1; + switch (wordsInBlock) + { + case 2: + { + ulong c0 = internalState[0], c1 = internalState[1]; + ulong d; - byte[] stateBytes = Pack.UInt64_To_LE(internalState); - byte[] nstate = new byte[wordsInBlock * 8]; + d = (c0 ^ c1) & 0xFFFFFFFF00000000UL; c0 ^= d; c1 ^= d; - for (row = 0; row < 8; row++) + internalState[0] = c0; + internalState[1] = c1; + break; + } + case 4: { - if (row % (8 / wordsInBlock) == 0) - { - shift += 1; - } + ulong c0 = internalState[0], c1 = internalState[1], c2 = internalState[2], c3 = internalState[3]; + ulong d; - for (col = 0; col < wordsInBlock; col++) - { - nstate[row + col * 8] = stateBytes[row + ((col + shift) % wordsInBlock) * 8]; - } - } + 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; - Pack.LE_To_UInt64(nstate, 0, internalState); + 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] += roundKeys[round][i]; + internalState[i] += roundKey[i]; } } private void SubRoundKey(int round) { + ulong[] roundKey = roundKeys[round]; for (int i = 0; i < wordsInBlock; ++i) { - internalState[i] -= roundKeys[round][i]; + internalState[i] -= roundKey[i]; } } - private void MixColumns() + private void XorRoundKey(int round) { - MatrixMultiply(mdsMatrix); + ulong[] roundKey = roundKeys[round]; + for (int i = 0; i < wordsInBlock; i++) + { + internalState[i] ^= roundKey[i]; + } } - private void InvMixColumns() + private static ulong MixColumn(ulong c) { - MatrixMultiply(mdsInvMatrix); + //// 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 MatrixMultiply(ulong matrix) + private void MixColumns() { for (int col = 0; col < wordsInBlock; ++col) { - ulong colVal = internalState[col]; - ulong colEven = colVal & 0x00FF00FF00FF00FFUL; - ulong colOdd = (colVal >> 8) & 0x00FF00FF00FF00FFUL; - - //ulong rowMatrix = (matrix >> 8) | (matrix << 56); - ulong rowMatrix = matrix; - - ulong result = 0; - for (int row = 7; row >= 0; --row) - { - ulong product = MultiplyGFx4(colEven, rowMatrix & 0x00FF00FF00FF00FFUL); - - rowMatrix = (rowMatrix >> 8) | (rowMatrix << 56); - - product ^= MultiplyGFx4(colOdd, rowMatrix & 0x00FF00FF00FF00FFUL); - - product ^= (product >> 32); - product ^= (product >> 16); - - result <<= 8; - result |= (product & 0xFFUL); - } - - internalState[col] = result; + internalState[col] = MixColumn(internalState[col]); } } - /* Pair-wise GF multiplication of 4 byte-pairs (at bits 0, 16, 32, 48 within x, y) */ - private static ulong MultiplyGFx4(ulong u, ulong v) + private static ulong MixColumnInv(ulong c) { - ulong r = u & ((v & 0x0001000100010001UL) * 0xFFFFUL); +/* + // 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; + } - for (int i = 1; i < 8; ++i) + private void MixColumnsInv() + { + for (int col = 0; col < wordsInBlock; ++col) { - u <<= 1; - v >>= 1; - r ^= u & ((v & 0x0001000100010001L) * 0xFFFFL); + internalState[col] = MixColumnInv(internalState[col]); } + } - // REDUCTION_POLYNOMIAL = 0x011d; /* x^8 + x^4 + x^3 + x^2 + 1 */ + private static ulong MulX(ulong n) + { + return ((n & 0x7F7F7F7F7F7F7F7FUL) << 1) ^ (((n & 0x8080808080808080UL) >> 7) * 0x1DUL); + } - ulong hi = r & 0xFF00FF00FF00FF00UL; - r ^= hi ^ (hi >> 4) ^ (hi >> 5) ^ (hi >> 6) ^ (hi >> 8); - hi = r & 0x0F000F000F000F00UL; - r ^= hi ^ (hi >> 4) ^ (hi >> 5) ^ (hi >> 6) ^ (hi >> 8); - return r; + private static ulong MulX2(ulong n) + { + return ((n & 0x3F3F3F3F3F3F3F3FUL) << 2) ^ (((n & 0x8080808080808080UL) >> 6) * 0x1DUL) ^ (((n & 0x4040404040404040UL) >> 6) * 0x1DUL); } - private void SubBytes() + //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) { - for (int i = 0; i < wordsInBlock; i++) - { - internalState[i] = sboxesForEncryption[0][internalState[i] & 0x00000000000000FF] | - ((ulong)sboxesForEncryption[1][(internalState[i] & 0x000000000000FF00) >> 8] << 8) | - ((ulong)sboxesForEncryption[2][(internalState[i] & 0x0000000000FF0000) >> 16] << 16) | - ((ulong)sboxesForEncryption[3][(internalState[i] & 0x00000000FF000000) >> 24] << 24) | - ((ulong)sboxesForEncryption[0][(internalState[i] & 0x000000FF00000000) >> 32] << 32) | - ((ulong)sboxesForEncryption[1][(internalState[i] & 0x0000FF0000000000) >> 40] << 40) | - ((ulong)sboxesForEncryption[2][(internalState[i] & 0x00FF000000000000) >> 48] << 48) | - ((ulong)sboxesForEncryption[3][(internalState[i] & 0xFF00000000000000) >> 56] << 56); - } + return (x >> n) | (x << -n); } - private void InvSubBytes() + private void RotateLeft(ulong[] x, ulong[] z) { - for (int i = 0; i < wordsInBlock; i++) + switch (wordsInBlock) { - internalState[i] = sboxesForDecryption[0][internalState[i] & 0x00000000000000FF] | - ((ulong)sboxesForDecryption[1][(internalState[i] & 0x000000000000FF00) >> 8] << 8) | - ((ulong)sboxesForDecryption[2][(internalState[i] & 0x0000000000FF0000) >> 16] << 16) | - ((ulong)sboxesForDecryption[3][(internalState[i] & 0x00000000FF000000) >> 24] << 24) | - ((ulong)sboxesForDecryption[0][(internalState[i] & 0x000000FF00000000) >> 32] << 32) | - ((ulong)sboxesForDecryption[1][(internalState[i] & 0x0000FF0000000000) >> 40] << 40) | - ((ulong)sboxesForDecryption[2][(internalState[i] & 0x00FF000000000000) >> 48] << 48) | - ((ulong)sboxesForDecryption[3][(internalState[i] & 0xFF00000000000000) >> 56] << 56); + 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 const ulong mdsMatrix = 0x0104070608010501UL; - private const ulong mdsInvMatrix = 0xADCAD7492FA87695UL; + 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 byte[][] sboxesForEncryption = - { - 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 - }, - - 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 - }, - - 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 - }, - - 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[] 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 byte[][] sboxesForDecryption = - { - 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 - }, - - 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 - }, - - 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 - }, - - 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 - } + 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"; } + get { return "DSTU7624"; } } public virtual int GetBlockSize() { - return blockSizeBits / BITS_IN_BYTE; + return wordsInBlock << 3; } public virtual bool IsPartialBlockOkay @@ -744,6 +1078,7 @@ namespace Org.BouncyCastle.Crypto.Engines public virtual void Reset() { + Array.Clear(internalState, 0, internalState.Length); } } } |