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1088 lines
45 KiB
1088 lines
45 KiB
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR) |
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#pragma warning disable |
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using System; |
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using System.Collections; |
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters; |
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Utilities; |
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities; |
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines |
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{ |
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/** |
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* implementation of DSTU 7624 (Kalyna) |
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*/ |
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public class Dstu7624Engine |
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: IBlockCipher |
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{ |
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private ulong[] internalState; |
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private ulong[] workingKey; |
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private ulong[][] roundKeys; |
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/* Number of 64-bit words in block */ |
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private int wordsInBlock; |
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/* Number of 64-bit words in key */ |
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private int wordsInKey; |
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/* Number of encryption rounds depending on key length */ |
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private const int ROUNDS_128 = 10; |
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private const int ROUNDS_256 = 14; |
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private const int ROUNDS_512 = 18; |
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private int roundsAmount; |
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private bool forEncryption; |
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public Dstu7624Engine(int blockSizeBits) |
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{ |
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/* DSTU7624 supports 128 | 256 | 512 key/block sizes */ |
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if (blockSizeBits != 128 && blockSizeBits != 256 && blockSizeBits != 512) |
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{ |
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throw new ArgumentException("unsupported block length: only 128/256/512 are allowed"); |
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} |
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wordsInBlock = blockSizeBits / 64; |
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internalState = new ulong[wordsInBlock]; |
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} |
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#region INITIALIZATION |
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public virtual void Init(bool forEncryption, ICipherParameters parameters) |
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{ |
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if (!(parameters is KeyParameter)) |
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throw new ArgumentException("Invalid parameter passed to Dstu7624Engine Init"); |
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this.forEncryption = forEncryption; |
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byte[] keyBytes = ((KeyParameter)parameters).GetKey(); |
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int keyBitLength = keyBytes.Length << 3; |
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int blockBitLength = wordsInBlock << 6; |
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if (keyBitLength != 128 && keyBitLength != 256 && keyBitLength != 512) |
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{ |
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throw new ArgumentException("unsupported key length: only 128/256/512 are allowed"); |
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} |
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/* Limitations on key lengths depending on block lengths. See table 6.1 in standard */ |
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if (keyBitLength != blockBitLength && keyBitLength != (2 * blockBitLength)) |
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{ |
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throw new ArgumentException("Unsupported key length"); |
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} |
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switch (keyBitLength) |
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{ |
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case 128: |
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roundsAmount = ROUNDS_128; |
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break; |
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case 256: |
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roundsAmount = ROUNDS_256; |
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break; |
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case 512: |
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roundsAmount = ROUNDS_512; |
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break; |
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} |
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wordsInKey = keyBitLength / 64; |
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/* +1 round key as defined in standard */ |
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roundKeys = new ulong[roundsAmount + 1][]; |
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for (int roundKeyIndex = 0; roundKeyIndex < roundKeys.Length; roundKeyIndex++) |
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{ |
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roundKeys[roundKeyIndex] = new ulong[wordsInBlock]; |
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} |
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workingKey = new ulong[wordsInKey]; |
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if (keyBytes.Length != wordsInKey * 8) |
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{ |
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throw new ArgumentException("Invalid key parameter passed to Dstu7624Engine Init"); |
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} |
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/* Unpack encryption key bytes to words */ |
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Pack.LE_To_UInt64(keyBytes, 0, workingKey); |
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ulong[] tempKeys = new ulong[wordsInBlock]; |
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/* KSA in DSTU7624 is strengthened to mitigate known weaknesses in AES KSA (eprint.iacr.org/2012/260.pdf) */ |
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WorkingKeyExpandKT(workingKey, tempKeys); |
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WorkingKeyExpandEven(workingKey, tempKeys); |
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WorkingKeyExpandOdd(); |
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} |
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private void WorkingKeyExpandKT(ulong[] workingKey, ulong[] tempKeys) |
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{ |
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ulong[] k0 = new ulong[wordsInBlock]; |
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ulong[] k1 = new ulong[wordsInBlock]; |
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internalState = new ulong[wordsInBlock]; |
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internalState[0] += (ulong)(wordsInBlock + wordsInKey + 1); |
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if (wordsInBlock == wordsInKey) |
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{ |
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Array.Copy(workingKey, 0, k0, 0, k0.Length); |
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Array.Copy(workingKey, 0, k1, 0, k1.Length); |
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} |
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else |
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{ |
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Array.Copy(workingKey, 0, k0, 0, wordsInBlock); |
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Array.Copy(workingKey, wordsInBlock, k1, 0, wordsInBlock); |
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} |
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for (int wordIndex = 0; wordIndex < internalState.Length; wordIndex++) |
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{ |
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internalState[wordIndex] += k0[wordIndex]; |
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} |
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EncryptionRound(); |
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for (int wordIndex = 0; wordIndex < internalState.Length; wordIndex++) |
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{ |
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internalState[wordIndex] ^= k1[wordIndex]; |
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} |
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EncryptionRound(); |
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for (int wordIndex = 0; wordIndex < internalState.Length; wordIndex++) |
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{ |
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internalState[wordIndex] += k0[wordIndex]; |
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} |
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EncryptionRound(); |
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Array.Copy(internalState, 0, tempKeys, 0, wordsInBlock); |
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} |
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private void WorkingKeyExpandEven(ulong[] workingKey, ulong[] tempKey) |
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{ |
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ulong[] initialData = new ulong[wordsInKey]; |
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ulong[] tempRoundKey = new ulong[wordsInBlock]; |
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int round = 0; |
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Array.Copy(workingKey, 0, initialData, 0, wordsInKey); |
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ulong tmv = 0x0001000100010001UL; |
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while (true) |
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{ |
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for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) |
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{ |
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tempRoundKey[wordIndex] = tempKey[wordIndex] + tmv; |
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} |
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for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) |
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{ |
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internalState[wordIndex] = initialData[wordIndex] + tempRoundKey[wordIndex]; |
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} |
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EncryptionRound(); |
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for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) |
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{ |
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internalState[wordIndex] ^= tempRoundKey[wordIndex]; |
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} |
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EncryptionRound(); |
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for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) |
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{ |
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internalState[wordIndex] += tempRoundKey[wordIndex]; |
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} |
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Array.Copy(internalState, 0, roundKeys[round], 0, wordsInBlock); |
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if (roundsAmount == round) |
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{ |
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break; |
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} |
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if (wordsInKey != wordsInBlock) |
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{ |
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round += 2; |
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tmv <<= 1; |
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for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) |
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{ |
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tempRoundKey[wordIndex] = tempKey[wordIndex] + tmv; |
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} |
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for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) |
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{ |
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internalState[wordIndex] = initialData[wordsInBlock + wordIndex] + tempRoundKey[wordIndex]; |
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} |
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EncryptionRound(); |
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for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) |
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{ |
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internalState[wordIndex] ^= tempRoundKey[wordIndex]; |
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} |
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EncryptionRound(); |
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for (int wordIndex = 0; wordIndex < wordsInBlock; wordIndex++) |
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{ |
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internalState[wordIndex] += tempRoundKey[wordIndex]; |
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} |
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Array.Copy(internalState, 0, roundKeys[round], 0, wordsInBlock); |
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if (roundsAmount == round) |
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{ |
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break; |
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} |
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} |
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round += 2; |
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tmv <<= 1; |
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ulong temp = initialData[0]; |
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for (int i = 1; i < initialData.Length; ++i) |
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{ |
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initialData[i - 1] = initialData[i]; |
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} |
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initialData[initialData.Length - 1] = temp; |
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} |
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} |
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private void WorkingKeyExpandOdd() |
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{ |
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for (int roundIndex = 1; roundIndex < roundsAmount; roundIndex += 2) |
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{ |
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RotateLeft(roundKeys[roundIndex - 1], roundKeys[roundIndex]); |
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} |
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} |
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#endregion |
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public virtual int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff) |
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{ |
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if (workingKey == null) |
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throw new InvalidOperationException("Dstu7624Engine not initialised"); |
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Check.DataLength(input, inOff, GetBlockSize(), "input buffer too short"); |
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Check.OutputLength(output, outOff, GetBlockSize(), "output buffer too short"); |
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if (forEncryption) |
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{ |
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/* Encrypt */ |
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switch (wordsInBlock) |
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{ |
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case 2: |
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{ |
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EncryptBlock_128(input, inOff, output, outOff); |
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break; |
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} |
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default: |
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{ |
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Pack.LE_To_UInt64(input, inOff, internalState); |
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AddRoundKey(0); |
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for (int round = 0;;) |
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{ |
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EncryptionRound(); |
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if (++round == roundsAmount) |
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{ |
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break; |
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} |
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XorRoundKey(round); |
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} |
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AddRoundKey(roundsAmount); |
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Pack.UInt64_To_LE(internalState, output, outOff); |
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break; |
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} |
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} |
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} |
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else |
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{ |
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/* Decrypt */ |
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switch (wordsInBlock) |
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{ |
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case 2: |
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{ |
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DecryptBlock_128(input, inOff, output, outOff); |
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break; |
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} |
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default: |
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{ |
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Pack.LE_To_UInt64(input, inOff, internalState); |
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SubRoundKey(roundsAmount); |
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for (int round = roundsAmount;;) |
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{ |
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DecryptionRound(); |
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if (--round == 0) |
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{ |
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break; |
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} |
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XorRoundKey(round); |
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} |
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SubRoundKey(0); |
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Pack.UInt64_To_LE(internalState, output, outOff); |
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break; |
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} |
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} |
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} |
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return GetBlockSize(); |
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} |
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private void EncryptionRound() |
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{ |
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SubBytes(); |
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ShiftRows(); |
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MixColumns(); |
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} |
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private void DecryptionRound() |
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{ |
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MixColumnsInv(); |
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InvShiftRows(); |
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InvSubBytes(); |
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} |
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private void DecryptBlock_128(byte[] input, int inOff, byte[] output, int outOff) |
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{ |
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ulong c0 = Pack.LE_To_UInt64(input, inOff); |
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ulong c1 = Pack.LE_To_UInt64(input, inOff + 8); |
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ulong[] roundKey = roundKeys[roundsAmount]; |
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c0 -= roundKey[0]; |
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c1 -= roundKey[1]; |
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for (int round = roundsAmount;;) |
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{ |
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c0 = MixColumnInv(c0); |
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c1 = MixColumnInv(c1); |
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uint lo0 = (uint)c0, hi0 = (uint)(c0 >> 32); |
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uint lo1 = (uint)c1, hi1 = (uint)(c1 >> 32); |
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{ |
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byte t0 = T0[lo0 & 0xFF]; |
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byte t1 = T1[(lo0 >> 8) & 0xFF]; |
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byte t2 = T2[(lo0 >> 16) & 0xFF]; |
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byte t3 = T3[lo0 >> 24]; |
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lo0 = (uint)t0 | ((uint)t1 << 8) | ((uint)t2 << 16) | ((uint)t3 << 24); |
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byte t4 = T0[hi1 & 0xFF]; |
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byte t5 = T1[(hi1 >> 8) & 0xFF]; |
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byte t6 = T2[(hi1 >> 16) & 0xFF]; |
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byte t7 = T3[hi1 >> 24]; |
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hi1 = (uint)t4 | ((uint)t5 << 8) | ((uint)t6 << 16) | ((uint)t7 << 24); |
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c0 = (ulong)lo0 | ((ulong)hi1 << 32); |
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} |
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{ |
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byte t0 = T0[lo1 & 0xFF]; |
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byte t1 = T1[(lo1 >> 8) & 0xFF]; |
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byte t2 = T2[(lo1 >> 16) & 0xFF]; |
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byte t3 = T3[lo1 >> 24]; |
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lo1 = (uint)t0 | ((uint)t1 << 8) | ((uint)t2 << 16) | ((uint)t3 << 24); |
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byte t4 = T0[hi0 & 0xFF]; |
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byte t5 = T1[(hi0 >> 8) & 0xFF]; |
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byte t6 = T2[(hi0 >> 16) & 0xFF]; |
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byte t7 = T3[hi0 >> 24]; |
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hi0 = (uint)t4 | ((uint)t5 << 8) | ((uint)t6 << 16) | ((uint)t7 << 24); |
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c1 = (ulong)lo1 | ((ulong)hi0 << 32); |
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} |
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if (--round == 0) |
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{ |
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break; |
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} |
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roundKey = roundKeys[round]; |
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c0 ^= roundKey[0]; |
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c1 ^= roundKey[1]; |
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} |
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roundKey = roundKeys[0]; |
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c0 -= roundKey[0]; |
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c1 -= roundKey[1]; |
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Pack.UInt64_To_LE(c0, output, outOff); |
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Pack.UInt64_To_LE(c1, output, outOff + 8); |
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} |
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private void EncryptBlock_128(byte[] input, int inOff, byte[] output, int outOff) |
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{ |
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ulong c0 = Pack.LE_To_UInt64(input, inOff); |
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ulong c1 = Pack.LE_To_UInt64(input, inOff + 8); |
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ulong[] roundKey = roundKeys[0]; |
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c0 += roundKey[0]; |
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c1 += roundKey[1]; |
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for (int round = 0;;) |
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{ |
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uint lo0 = (uint)c0, hi0 = (uint)(c0 >> 32); |
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uint lo1 = (uint)c1, hi1 = (uint)(c1 >> 32); |
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{ |
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byte t0 = S0[lo0 & 0xFF]; |
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byte t1 = S1[(lo0 >> 8) & 0xFF]; |
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byte t2 = S2[(lo0 >> 16) & 0xFF]; |
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byte t3 = S3[lo0 >> 24]; |
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lo0 = (uint)t0 | ((uint)t1 << 8) | ((uint)t2 << 16) | ((uint)t3 << 24); |
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byte t4 = S0[hi1 & 0xFF]; |
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byte t5 = S1[(hi1 >> 8) & 0xFF]; |
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byte t6 = S2[(hi1 >> 16) & 0xFF]; |
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byte t7 = S3[hi1 >> 24]; |
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hi1 = (uint)t4 | ((uint)t5 << 8) | ((uint)t6 << 16) | ((uint)t7 << 24); |
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c0 = (ulong)lo0 | ((ulong)hi1 << 32); |
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} |
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{ |
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byte t0 = S0[lo1 & 0xFF]; |
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byte t1 = S1[(lo1 >> 8) & 0xFF]; |
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byte t2 = S2[(lo1 >> 16) & 0xFF]; |
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byte t3 = S3[lo1 >> 24]; |
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lo1 = (uint)t0 | ((uint)t1 << 8) | ((uint)t2 << 16) | ((uint)t3 << 24); |
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byte t4 = S0[hi0 & 0xFF]; |
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byte t5 = S1[(hi0 >> 8) & 0xFF]; |
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byte t6 = S2[(hi0 >> 16) & 0xFF]; |
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byte t7 = S3[hi0 >> 24]; |
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hi0 = (uint)t4 | ((uint)t5 << 8) | ((uint)t6 << 16) | ((uint)t7 << 24); |
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c1 = (ulong)lo1 | ((ulong)hi0 << 32); |
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} |
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c0 = MixColumn(c0); |
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c1 = MixColumn(c1); |
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|
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if (++round == roundsAmount) |
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{ |
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break; |
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} |
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roundKey = roundKeys[round]; |
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c0 ^= roundKey[0]; |
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c1 ^= roundKey[1]; |
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} |
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roundKey = roundKeys[roundsAmount]; |
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c0 += roundKey[0]; |
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c1 += roundKey[1]; |
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Pack.UInt64_To_LE(c0, output, outOff); |
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Pack.UInt64_To_LE(c1, output, outOff + 8); |
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} |
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|
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private void SubBytes() |
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{ |
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for (int i = 0; i < wordsInBlock; i++) |
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{ |
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ulong u = internalState[i]; |
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uint lo = (uint)u, hi = (uint)(u >> 32); |
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byte t0 = S0[lo & 0xFF]; |
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byte t1 = S1[(lo >> 8) & 0xFF]; |
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byte t2 = S2[(lo >> 16) & 0xFF]; |
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byte t3 = S3[lo >> 24]; |
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lo = (uint)t0 | ((uint)t1 << 8) | ((uint)t2 << 16) | ((uint)t3 << 24); |
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byte t4 = S0[hi & 0xFF]; |
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byte t5 = S1[(hi >> 8) & 0xFF]; |
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byte t6 = S2[(hi >> 16) & 0xFF]; |
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byte t7 = S3[hi >> 24]; |
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hi = (uint)t4 | ((uint)t5 << 8) | ((uint)t6 << 16) | ((uint)t7 << 24); |
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internalState[i] = (ulong)lo | ((ulong)hi << 32); |
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} |
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} |
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|
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private void InvSubBytes() |
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{ |
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for (int i = 0; i < wordsInBlock; i++) |
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{ |
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ulong u = internalState[i]; |
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uint lo = (uint)u, hi = (uint)(u >> 32); |
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byte t0 = T0[lo & 0xFF]; |
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byte t1 = T1[(lo >> 8) & 0xFF]; |
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byte t2 = T2[(lo >> 16) & 0xFF]; |
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byte t3 = T3[lo >> 24]; |
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lo = (uint)t0 | ((uint)t1 << 8) | ((uint)t2 << 16) | ((uint)t3 << 24); |
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byte t4 = T0[hi & 0xFF]; |
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byte t5 = T1[(hi >> 8) & 0xFF]; |
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byte t6 = T2[(hi >> 16) & 0xFF]; |
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byte t7 = T3[hi >> 24]; |
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hi = (uint)t4 | ((uint)t5 << 8) | ((uint)t6 << 16) | ((uint)t7 << 24); |
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internalState[i] = (ulong)lo | ((ulong)hi << 32); |
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} |
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} |
|
|
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private void ShiftRows() |
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{ |
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switch (wordsInBlock) |
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{ |
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case 2: |
|
{ |
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ulong c0 = internalState[0], c1 = internalState[1]; |
|
ulong d; |
|
|
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d = (c0 ^ c1) & 0xFFFFFFFF00000000UL; c0 ^= d; c1 ^= d; |
|
|
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internalState[0] = c0; |
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internalState[1] = c1; |
|
break; |
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} |
|
case 4: |
|
{ |
|
ulong c0 = internalState[0], c1 = internalState[1], c2 = internalState[2], c3 = internalState[3]; |
|
ulong d; |
|
|
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d = (c0 ^ c2) & 0xFFFFFFFF00000000UL; c0 ^= d; c2 ^= d; |
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d = (c1 ^ c3) & 0x0000FFFFFFFF0000UL; c1 ^= d; c3 ^= d; |
|
|
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d = (c0 ^ c1) & 0xFFFF0000FFFF0000UL; c0 ^= d; c1 ^= d; |
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d = (c2 ^ c3) & 0xFFFF0000FFFF0000UL; c2 ^= d; c3 ^= d; |
|
|
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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; |
|
|
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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; |
|
|
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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; |
|
|
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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
|
|
|