Initial Commit
This commit is contained in:
HikikoMarmy
454
misc/AES.cpp
Normal file
454
misc/AES.cpp
Normal file
@@ -0,0 +1,454 @@
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#include "AES.h"
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AES::AES(const AESKeyLength keyLength) {
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switch (keyLength) {
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case AESKeyLength::AES_128:
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this->Nk = 4;
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this->Nr = 10;
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break;
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case AESKeyLength::AES_192:
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this->Nk = 6;
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this->Nr = 12;
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break;
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case AESKeyLength::AES_256:
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this->Nk = 8;
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this->Nr = 14;
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break;
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}
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}
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unsigned char *AES::EncryptECB(const unsigned char in[], unsigned int inLen,
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const unsigned char key[]) {
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CheckLength(inLen);
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unsigned char *out = new unsigned char[inLen];
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unsigned char *roundKeys = new unsigned char[4 * Nb * (Nr + 1)];
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KeyExpansion(key, roundKeys);
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for (unsigned int i = 0; i < inLen; i += blockBytesLen) {
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EncryptBlock(in + i, out + i, roundKeys);
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}
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delete[] roundKeys;
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return out;
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}
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unsigned char *AES::DecryptECB(const unsigned char in[], unsigned int inLen,
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const unsigned char key[]) {
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CheckLength(inLen);
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unsigned char *out = new unsigned char[inLen];
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unsigned char *roundKeys = new unsigned char[4 * Nb * (Nr + 1)];
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KeyExpansion(key, roundKeys);
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for (unsigned int i = 0; i < inLen; i += blockBytesLen) {
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DecryptBlock(in + i, out + i, roundKeys);
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}
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delete[] roundKeys;
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return out;
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}
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unsigned char *AES::EncryptCBC(const unsigned char in[], unsigned int inLen,
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const unsigned char key[],
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const unsigned char *iv) {
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CheckLength(inLen);
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unsigned char *out = new unsigned char[inLen];
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unsigned char block[blockBytesLen];
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unsigned char *roundKeys = new unsigned char[4 * Nb * (Nr + 1)];
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KeyExpansion(key, roundKeys);
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memcpy(block, iv, blockBytesLen);
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for (unsigned int i = 0; i < inLen; i += blockBytesLen) {
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XorBlocks(block, in + i, block, blockBytesLen);
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EncryptBlock(block, out + i, roundKeys);
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memcpy(block, out + i, blockBytesLen);
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}
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delete[] roundKeys;
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return out;
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}
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unsigned char *AES::DecryptCBC(const unsigned char in[], unsigned int inLen,
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const unsigned char key[],
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const unsigned char *iv) {
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CheckLength(inLen);
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unsigned char *out = new unsigned char[inLen];
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unsigned char block[blockBytesLen];
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unsigned char *roundKeys = new unsigned char[4 * Nb * (Nr + 1)];
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KeyExpansion(key, roundKeys);
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memcpy(block, iv, blockBytesLen);
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for (unsigned int i = 0; i < inLen; i += blockBytesLen) {
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DecryptBlock(in + i, out + i, roundKeys);
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XorBlocks(block, out + i, out + i, blockBytesLen);
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memcpy(block, in + i, blockBytesLen);
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}
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delete[] roundKeys;
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return out;
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}
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unsigned char *AES::EncryptCFB(const unsigned char in[], unsigned int inLen,
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const unsigned char key[],
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const unsigned char *iv) {
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CheckLength(inLen);
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unsigned char *out = new unsigned char[inLen];
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unsigned char block[blockBytesLen];
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unsigned char encryptedBlock[blockBytesLen];
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unsigned char *roundKeys = new unsigned char[4 * Nb * (Nr + 1)];
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KeyExpansion(key, roundKeys);
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memcpy(block, iv, blockBytesLen);
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for (unsigned int i = 0; i < inLen; i += blockBytesLen) {
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EncryptBlock(block, encryptedBlock, roundKeys);
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XorBlocks(in + i, encryptedBlock, out + i, blockBytesLen);
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memcpy(block, out + i, blockBytesLen);
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}
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delete[] roundKeys;
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return out;
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}
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unsigned char *AES::DecryptCFB(const unsigned char in[], unsigned int inLen,
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const unsigned char key[],
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const unsigned char *iv) {
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CheckLength(inLen);
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unsigned char *out = new unsigned char[inLen];
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unsigned char block[blockBytesLen];
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unsigned char encryptedBlock[blockBytesLen];
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unsigned char *roundKeys = new unsigned char[4 * Nb * (Nr + 1)];
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KeyExpansion(key, roundKeys);
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memcpy(block, iv, blockBytesLen);
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for (unsigned int i = 0; i < inLen; i += blockBytesLen) {
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EncryptBlock(block, encryptedBlock, roundKeys);
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XorBlocks(in + i, encryptedBlock, out + i, blockBytesLen);
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memcpy(block, in + i, blockBytesLen);
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}
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delete[] roundKeys;
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return out;
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}
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void AES::CheckLength(unsigned int len) {
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if (len % blockBytesLen != 0) {
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throw std::length_error("Plaintext length must be divisible by " +
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std::to_string(blockBytesLen));
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}
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}
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void AES::EncryptBlock(const unsigned char in[], unsigned char out[],
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unsigned char *roundKeys) {
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unsigned char state[4][Nb];
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unsigned int i, j, round;
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for (i = 0; i < 4; i++) {
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for (j = 0; j < Nb; j++) {
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state[i][j] = in[i + 4 * j];
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}
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}
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AddRoundKey(state, roundKeys);
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for (round = 1; round <= Nr - 1; round++) {
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SubBytes(state);
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ShiftRows(state);
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MixColumns(state);
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AddRoundKey(state, roundKeys + round * 4 * Nb);
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}
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SubBytes(state);
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ShiftRows(state);
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AddRoundKey(state, roundKeys + Nr * 4 * Nb);
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for (i = 0; i < 4; i++) {
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for (j = 0; j < Nb; j++) {
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out[i + 4 * j] = state[i][j];
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}
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}
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}
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void AES::DecryptBlock(const unsigned char in[], unsigned char out[],
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unsigned char *roundKeys) {
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unsigned char state[4][Nb];
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unsigned int i, j, round;
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for (i = 0; i < 4; i++) {
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for (j = 0; j < Nb; j++) {
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state[i][j] = in[i + 4 * j];
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}
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}
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AddRoundKey(state, roundKeys + Nr * 4 * Nb);
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for (round = Nr - 1; round >= 1; round--) {
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InvSubBytes(state);
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InvShiftRows(state);
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AddRoundKey(state, roundKeys + round * 4 * Nb);
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InvMixColumns(state);
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}
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InvSubBytes(state);
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InvShiftRows(state);
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AddRoundKey(state, roundKeys);
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for (i = 0; i < 4; i++) {
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for (j = 0; j < Nb; j++) {
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out[i + 4 * j] = state[i][j];
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}
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}
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}
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void AES::SubBytes(unsigned char state[4][Nb]) {
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unsigned int i, j;
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unsigned char t;
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for (i = 0; i < 4; i++) {
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for (j = 0; j < Nb; j++) {
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t = state[i][j];
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state[i][j] = sbox[t / 16][t % 16];
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}
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}
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}
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void AES::ShiftRow(unsigned char state[4][Nb], unsigned int i,
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unsigned int n) // shift row i on n write_positions
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{
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unsigned char tmp[Nb];
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for (unsigned int j = 0; j < Nb; j++) {
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tmp[j] = state[i][(j + n) % Nb];
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}
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memcpy(state[i], tmp, Nb * sizeof(unsigned char));
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}
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void AES::ShiftRows(unsigned char state[4][Nb]) {
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ShiftRow(state, 1, 1);
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ShiftRow(state, 2, 2);
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ShiftRow(state, 3, 3);
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}
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unsigned char AES::xtime(unsigned char b) // multiply on x
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{
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return (b << 1) ^ (((b >> 7) & 1) * 0x1b);
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}
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void AES::MixColumns(unsigned char state[4][Nb]) {
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unsigned char temp_state[4][Nb];
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for (size_t i = 0; i < 4; ++i) {
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memset(temp_state[i], 0, 4);
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}
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for (size_t i = 0; i < 4; ++i) {
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for (size_t k = 0; k < 4; ++k) {
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for (size_t j = 0; j < 4; ++j) {
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if (CMDS[i][k] == 1)
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temp_state[i][j] ^= state[k][j];
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else
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temp_state[i][j] ^= GF_MUL_TABLE[CMDS[i][k]][state[k][j]];
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}
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}
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}
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for (size_t i = 0; i < 4; ++i) {
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memcpy(state[i], temp_state[i], 4);
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}
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}
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void AES::AddRoundKey(unsigned char state[4][Nb], unsigned char *key) {
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unsigned int i, j;
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for (i = 0; i < 4; i++) {
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for (j = 0; j < Nb; j++) {
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state[i][j] = state[i][j] ^ key[i + 4 * j];
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}
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}
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}
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void AES::SubWord(unsigned char *a) {
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int i;
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for (i = 0; i < 4; i++) {
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a[i] = sbox[a[i] / 16][a[i] % 16];
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}
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}
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void AES::RotWord(unsigned char *a) {
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unsigned char c = a[0];
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a[0] = a[1];
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a[1] = a[2];
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a[2] = a[3];
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a[3] = c;
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}
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void AES::XorWords(unsigned char *a, unsigned char *b, unsigned char *c) {
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int i;
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for (i = 0; i < 4; i++) {
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c[i] = a[i] ^ b[i];
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}
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}
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void AES::Rcon(unsigned char *a, unsigned int n) {
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unsigned int i;
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unsigned char c = 1;
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for (i = 0; i < n - 1; i++) {
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c = xtime(c);
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}
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a[0] = c;
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a[1] = a[2] = a[3] = 0;
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}
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void AES::KeyExpansion(const unsigned char key[], unsigned char w[]) {
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unsigned char temp[4];
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unsigned char rcon[4];
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unsigned int i = 0;
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while (i < 4 * Nk) {
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w[i] = key[i];
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i++;
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}
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i = 4 * Nk;
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while (i < 4 * Nb * (Nr + 1)) {
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temp[0] = w[i - 4 + 0];
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temp[1] = w[i - 4 + 1];
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temp[2] = w[i - 4 + 2];
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temp[3] = w[i - 4 + 3];
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if (i / 4 % Nk == 0) {
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RotWord(temp);
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SubWord(temp);
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Rcon(rcon, i / (Nk * 4));
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XorWords(temp, rcon, temp);
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} else if (Nk > 6 && i / 4 % Nk == 4) {
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SubWord(temp);
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}
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w[i + 0] = w[i - 4 * Nk] ^ temp[0];
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w[i + 1] = w[i + 1 - 4 * Nk] ^ temp[1];
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w[i + 2] = w[i + 2 - 4 * Nk] ^ temp[2];
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w[i + 3] = w[i + 3 - 4 * Nk] ^ temp[3];
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i += 4;
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}
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}
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void AES::InvSubBytes(unsigned char state[4][Nb]) {
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unsigned int i, j;
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unsigned char t;
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for (i = 0; i < 4; i++) {
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for (j = 0; j < Nb; j++) {
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t = state[i][j];
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state[i][j] = inv_sbox[t / 16][t % 16];
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}
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}
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}
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void AES::InvMixColumns(unsigned char state[4][Nb]) {
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unsigned char temp_state[4][Nb];
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for (size_t i = 0; i < 4; ++i) {
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memset(temp_state[i], 0, 4);
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}
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for (size_t i = 0; i < 4; ++i) {
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for (size_t k = 0; k < 4; ++k) {
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for (size_t j = 0; j < 4; ++j) {
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temp_state[i][j] ^= GF_MUL_TABLE[INV_CMDS[i][k]][state[k][j]];
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}
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}
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}
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for (size_t i = 0; i < 4; ++i) {
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memcpy(state[i], temp_state[i], 4);
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}
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}
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void AES::InvShiftRows(unsigned char state[4][Nb]) {
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ShiftRow(state, 1, Nb - 1);
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ShiftRow(state, 2, Nb - 2);
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ShiftRow(state, 3, Nb - 3);
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}
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void AES::XorBlocks(const unsigned char *a, const unsigned char *b,
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unsigned char *c, unsigned int len) {
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for (unsigned int i = 0; i < len; i++) {
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c[i] = a[i] ^ b[i];
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}
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}
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void AES::printHexArray(unsigned char a[], unsigned int n) {
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for (unsigned int i = 0; i < n; i++) {
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printf("%02x ", a[i]);
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}
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}
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void AES::printHexVector(std::vector<unsigned char> a) {
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for (unsigned int i = 0; i < a.size(); i++) {
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printf("%02x ", a[i]);
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}
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}
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std::vector<unsigned char> AES::ArrayToVector(unsigned char *a,
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unsigned int len) {
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std::vector<unsigned char> v(a, a + len * sizeof(unsigned char));
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return v;
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}
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unsigned char *AES::VectorToArray(std::vector<unsigned char> &a) {
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return a.data();
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}
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std::vector<unsigned char> AES::EncryptECB(std::vector<unsigned char> in,
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std::vector<unsigned char> key) {
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unsigned char *out = EncryptECB(VectorToArray(in), (unsigned int)in.size(),
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VectorToArray(key));
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std::vector<unsigned char> v = ArrayToVector(out, in.size());
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delete[] out;
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return v;
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}
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std::vector<unsigned char> AES::DecryptECB(std::vector<unsigned char> in,
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std::vector<unsigned char> key) {
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unsigned char *out = DecryptECB(VectorToArray(in), (unsigned int)in.size(),
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VectorToArray(key));
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std::vector<unsigned char> v = ArrayToVector(out, (unsigned int)in.size());
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delete[] out;
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return v;
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}
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std::vector<unsigned char> AES::EncryptCBC(std::vector<unsigned char> in,
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std::vector<unsigned char> key,
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std::vector<unsigned char> iv) {
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unsigned char *out = EncryptCBC(VectorToArray(in), (unsigned int)in.size(),
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VectorToArray(key), VectorToArray(iv));
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std::vector<unsigned char> v = ArrayToVector(out, in.size());
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delete[] out;
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return v;
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}
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std::vector<unsigned char> AES::DecryptCBC(std::vector<unsigned char> in,
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std::vector<unsigned char> key,
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std::vector<unsigned char> iv) {
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unsigned char *out = DecryptCBC(VectorToArray(in), (unsigned int)in.size(),
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VectorToArray(key), VectorToArray(iv));
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std::vector<unsigned char> v = ArrayToVector(out, (unsigned int)in.size());
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delete[] out;
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return v;
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}
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std::vector<unsigned char> AES::EncryptCFB(std::vector<unsigned char> in,
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std::vector<unsigned char> key,
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std::vector<unsigned char> iv) {
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unsigned char *out = EncryptCFB(VectorToArray(in), (unsigned int)in.size(),
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VectorToArray(key), VectorToArray(iv));
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std::vector<unsigned char> v = ArrayToVector(out, in.size());
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delete[] out;
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return v;
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}
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std::vector<unsigned char> AES::DecryptCFB(std::vector<unsigned char> in,
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std::vector<unsigned char> key,
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std::vector<unsigned char> iv) {
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unsigned char *out = DecryptCFB(VectorToArray(in), (unsigned int)in.size(),
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VectorToArray(key), VectorToArray(iv));
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std::vector<unsigned char> v = ArrayToVector(out, (unsigned int)in.size());
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delete[] out;
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return v;
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}
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348
misc/AES.h
Normal file
348
misc/AES.h
Normal file
@@ -0,0 +1,348 @@
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#ifndef _AES_H_
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#define _AES_H_
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#include <cstdio>
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#include <cstring>
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#include <iostream>
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#include <stdexcept>
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#include <string>
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#include <vector>
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enum class AESKeyLength { AES_128, AES_192, AES_256 };
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class AES {
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private:
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static constexpr unsigned int Nb = 4;
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static constexpr unsigned int blockBytesLen = 4 * Nb * sizeof(unsigned char);
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unsigned int Nk;
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unsigned int Nr;
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void SubBytes(unsigned char state[4][Nb]);
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void ShiftRow(unsigned char state[4][Nb], unsigned int i,
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unsigned int n); // shift row i on n write_positions
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|
||||
void ShiftRows(unsigned char state[4][Nb]);
|
||||
|
||||
unsigned char xtime(unsigned char b); // multiply on x
|
||||
|
||||
void MixColumns(unsigned char state[4][Nb]);
|
||||
|
||||
void AddRoundKey(unsigned char state[4][Nb], unsigned char *key);
|
||||
|
||||
void SubWord(unsigned char *a);
|
||||
|
||||
void RotWord(unsigned char *a);
|
||||
|
||||
void XorWords(unsigned char *a, unsigned char *b, unsigned char *c);
|
||||
|
||||
void Rcon(unsigned char *a, unsigned int n);
|
||||
|
||||
void InvSubBytes(unsigned char state[4][Nb]);
|
||||
|
||||
void InvMixColumns(unsigned char state[4][Nb]);
|
||||
|
||||
void InvShiftRows(unsigned char state[4][Nb]);
|
||||
|
||||
void CheckLength(unsigned int len);
|
||||
|
||||
void KeyExpansion(const unsigned char key[], unsigned char w[]);
|
||||
|
||||
void EncryptBlock(const unsigned char in[], unsigned char out[],
|
||||
unsigned char *roundKeys);
|
||||
|
||||
void DecryptBlock(const unsigned char in[], unsigned char out[],
|
||||
unsigned char *roundKeys);
|
||||
|
||||
void XorBlocks(const unsigned char *a, const unsigned char *b,
|
||||
unsigned char *c, unsigned int len);
|
||||
|
||||
std::vector<unsigned char> ArrayToVector(unsigned char *a, unsigned int len);
|
||||
|
||||
unsigned char *VectorToArray(std::vector<unsigned char> &a);
|
||||
|
||||
public:
|
||||
explicit AES(const AESKeyLength keyLength = AESKeyLength::AES_256);
|
||||
|
||||
unsigned char *EncryptECB(const unsigned char in[], unsigned int inLen,
|
||||
const unsigned char key[]);
|
||||
|
||||
unsigned char *DecryptECB(const unsigned char in[], unsigned int inLen,
|
||||
const unsigned char key[]);
|
||||
|
||||
unsigned char *EncryptCBC(const unsigned char in[], unsigned int inLen,
|
||||
const unsigned char key[], const unsigned char *iv);
|
||||
|
||||
unsigned char *DecryptCBC(const unsigned char in[], unsigned int inLen,
|
||||
const unsigned char key[], const unsigned char *iv);
|
||||
|
||||
unsigned char *EncryptCFB(const unsigned char in[], unsigned int inLen,
|
||||
const unsigned char key[], const unsigned char *iv);
|
||||
|
||||
unsigned char *DecryptCFB(const unsigned char in[], unsigned int inLen,
|
||||
const unsigned char key[], const unsigned char *iv);
|
||||
|
||||
std::vector<unsigned char> EncryptECB(std::vector<unsigned char> in,
|
||||
std::vector<unsigned char> key);
|
||||
|
||||
std::vector<unsigned char> DecryptECB(std::vector<unsigned char> in,
|
||||
std::vector<unsigned char> key);
|
||||
|
||||
std::vector<unsigned char> EncryptCBC(std::vector<unsigned char> in,
|
||||
std::vector<unsigned char> key,
|
||||
std::vector<unsigned char> iv);
|
||||
|
||||
std::vector<unsigned char> DecryptCBC(std::vector<unsigned char> in,
|
||||
std::vector<unsigned char> key,
|
||||
std::vector<unsigned char> iv);
|
||||
|
||||
std::vector<unsigned char> EncryptCFB(std::vector<unsigned char> in,
|
||||
std::vector<unsigned char> key,
|
||||
std::vector<unsigned char> iv);
|
||||
|
||||
std::vector<unsigned char> DecryptCFB(std::vector<unsigned char> in,
|
||||
std::vector<unsigned char> key,
|
||||
std::vector<unsigned char> iv);
|
||||
|
||||
void printHexArray(unsigned char a[], unsigned int n);
|
||||
|
||||
void printHexVector(std::vector<unsigned char> a);
|
||||
};
|
||||
|
||||
const unsigned char sbox[16][16] = {
|
||||
{0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b,
|
||||
0xfe, 0xd7, 0xab, 0x76},
|
||||
{0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf,
|
||||
0x9c, 0xa4, 0x72, 0xc0},
|
||||
{0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1,
|
||||
0x71, 0xd8, 0x31, 0x15},
|
||||
{0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2,
|
||||
0xeb, 0x27, 0xb2, 0x75},
|
||||
{0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3,
|
||||
0x29, 0xe3, 0x2f, 0x84},
|
||||
{0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39,
|
||||
0x4a, 0x4c, 0x58, 0xcf},
|
||||
{0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f,
|
||||
0x50, 0x3c, 0x9f, 0xa8},
|
||||
{0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21,
|
||||
0x10, 0xff, 0xf3, 0xd2},
|
||||
{0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d,
|
||||
0x64, 0x5d, 0x19, 0x73},
|
||||
{0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14,
|
||||
0xde, 0x5e, 0x0b, 0xdb},
|
||||
{0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62,
|
||||
0x91, 0x95, 0xe4, 0x79},
|
||||
{0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea,
|
||||
0x65, 0x7a, 0xae, 0x08},
|
||||
{0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f,
|
||||
0x4b, 0xbd, 0x8b, 0x8a},
|
||||
{0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9,
|
||||
0x86, 0xc1, 0x1d, 0x9e},
|
||||
{0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9,
|
||||
0xce, 0x55, 0x28, 0xdf},
|
||||
{0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f,
|
||||
0xb0, 0x54, 0xbb, 0x16}};
|
||||
|
||||
const unsigned char inv_sbox[16][16] = {
|
||||
{0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e,
|
||||
0x81, 0xf3, 0xd7, 0xfb},
|
||||
{0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44,
|
||||
0xc4, 0xde, 0xe9, 0xcb},
|
||||
{0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b,
|
||||
0x42, 0xfa, 0xc3, 0x4e},
|
||||
{0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49,
|
||||
0x6d, 0x8b, 0xd1, 0x25},
|
||||
{0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc,
|
||||
0x5d, 0x65, 0xb6, 0x92},
|
||||
{0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57,
|
||||
0xa7, 0x8d, 0x9d, 0x84},
|
||||
{0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05,
|
||||
0xb8, 0xb3, 0x45, 0x06},
|
||||
{0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03,
|
||||
0x01, 0x13, 0x8a, 0x6b},
|
||||
{0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce,
|
||||
0xf0, 0xb4, 0xe6, 0x73},
|
||||
{0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8,
|
||||
0x1c, 0x75, 0xdf, 0x6e},
|
||||
{0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e,
|
||||
0xaa, 0x18, 0xbe, 0x1b},
|
||||
{0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe,
|
||||
0x78, 0xcd, 0x5a, 0xf4},
|
||||
{0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59,
|
||||
0x27, 0x80, 0xec, 0x5f},
|
||||
{0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f,
|
||||
0x93, 0xc9, 0x9c, 0xef},
|
||||
{0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c,
|
||||
0x83, 0x53, 0x99, 0x61},
|
||||
{0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63,
|
||||
0x55, 0x21, 0x0c, 0x7d}};
|
||||
|
||||
/// Galois Multiplication lookup tables
|
||||
static const unsigned char GF_MUL_TABLE[15][256] = {
|
||||
{},
|
||||
{},
|
||||
|
||||
// mul 2
|
||||
{0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16,
|
||||
0x18, 0x1a, 0x1c, 0x1e, 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e,
|
||||
0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e, 0x40, 0x42, 0x44, 0x46,
|
||||
0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
|
||||
0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76,
|
||||
0x78, 0x7a, 0x7c, 0x7e, 0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e,
|
||||
0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e, 0xa0, 0xa2, 0xa4, 0xa6,
|
||||
0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe,
|
||||
0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6,
|
||||
0xd8, 0xda, 0xdc, 0xde, 0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee,
|
||||
0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe, 0x1b, 0x19, 0x1f, 0x1d,
|
||||
0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05,
|
||||
0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d,
|
||||
0x23, 0x21, 0x27, 0x25, 0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55,
|
||||
0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45, 0x7b, 0x79, 0x7f, 0x7d,
|
||||
0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65,
|
||||
0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d,
|
||||
0x83, 0x81, 0x87, 0x85, 0xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5,
|
||||
0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5, 0xdb, 0xd9, 0xdf, 0xdd,
|
||||
0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
|
||||
0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed,
|
||||
0xe3, 0xe1, 0xe7, 0xe5},
|
||||
|
||||
// mul 3
|
||||
{0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d,
|
||||
0x14, 0x17, 0x12, 0x11, 0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39,
|
||||
0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21, 0x60, 0x63, 0x66, 0x65,
|
||||
0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71,
|
||||
0x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d,
|
||||
0x44, 0x47, 0x42, 0x41, 0xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9,
|
||||
0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1, 0xf0, 0xf3, 0xf6, 0xf5,
|
||||
0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1,
|
||||
0xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd,
|
||||
0xb4, 0xb7, 0xb2, 0xb1, 0x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99,
|
||||
0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81, 0x9b, 0x98, 0x9d, 0x9e,
|
||||
0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a,
|
||||
0xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6,
|
||||
0xbf, 0xbc, 0xb9, 0xba, 0xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2,
|
||||
0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea, 0xcb, 0xc8, 0xcd, 0xce,
|
||||
0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda,
|
||||
0x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46,
|
||||
0x4f, 0x4c, 0x49, 0x4a, 0x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62,
|
||||
0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a, 0x3b, 0x38, 0x3d, 0x3e,
|
||||
0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a,
|
||||
0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16,
|
||||
0x1f, 0x1c, 0x19, 0x1a},
|
||||
|
||||
{},
|
||||
{},
|
||||
{},
|
||||
{},
|
||||
{},
|
||||
|
||||
// mul 9
|
||||
{0x00, 0x09, 0x12, 0x1b, 0x24, 0x2d, 0x36, 0x3f, 0x48, 0x41, 0x5a, 0x53,
|
||||
0x6c, 0x65, 0x7e, 0x77, 0x90, 0x99, 0x82, 0x8b, 0xb4, 0xbd, 0xa6, 0xaf,
|
||||
0xd8, 0xd1, 0xca, 0xc3, 0xfc, 0xf5, 0xee, 0xe7, 0x3b, 0x32, 0x29, 0x20,
|
||||
0x1f, 0x16, 0x0d, 0x04, 0x73, 0x7a, 0x61, 0x68, 0x57, 0x5e, 0x45, 0x4c,
|
||||
0xab, 0xa2, 0xb9, 0xb0, 0x8f, 0x86, 0x9d, 0x94, 0xe3, 0xea, 0xf1, 0xf8,
|
||||
0xc7, 0xce, 0xd5, 0xdc, 0x76, 0x7f, 0x64, 0x6d, 0x52, 0x5b, 0x40, 0x49,
|
||||
0x3e, 0x37, 0x2c, 0x25, 0x1a, 0x13, 0x08, 0x01, 0xe6, 0xef, 0xf4, 0xfd,
|
||||
0xc2, 0xcb, 0xd0, 0xd9, 0xae, 0xa7, 0xbc, 0xb5, 0x8a, 0x83, 0x98, 0x91,
|
||||
0x4d, 0x44, 0x5f, 0x56, 0x69, 0x60, 0x7b, 0x72, 0x05, 0x0c, 0x17, 0x1e,
|
||||
0x21, 0x28, 0x33, 0x3a, 0xdd, 0xd4, 0xcf, 0xc6, 0xf9, 0xf0, 0xeb, 0xe2,
|
||||
0x95, 0x9c, 0x87, 0x8e, 0xb1, 0xb8, 0xa3, 0xaa, 0xec, 0xe5, 0xfe, 0xf7,
|
||||
0xc8, 0xc1, 0xda, 0xd3, 0xa4, 0xad, 0xb6, 0xbf, 0x80, 0x89, 0x92, 0x9b,
|
||||
0x7c, 0x75, 0x6e, 0x67, 0x58, 0x51, 0x4a, 0x43, 0x34, 0x3d, 0x26, 0x2f,
|
||||
0x10, 0x19, 0x02, 0x0b, 0xd7, 0xde, 0xc5, 0xcc, 0xf3, 0xfa, 0xe1, 0xe8,
|
||||
0x9f, 0x96, 0x8d, 0x84, 0xbb, 0xb2, 0xa9, 0xa0, 0x47, 0x4e, 0x55, 0x5c,
|
||||
0x63, 0x6a, 0x71, 0x78, 0x0f, 0x06, 0x1d, 0x14, 0x2b, 0x22, 0x39, 0x30,
|
||||
0x9a, 0x93, 0x88, 0x81, 0xbe, 0xb7, 0xac, 0xa5, 0xd2, 0xdb, 0xc0, 0xc9,
|
||||
0xf6, 0xff, 0xe4, 0xed, 0x0a, 0x03, 0x18, 0x11, 0x2e, 0x27, 0x3c, 0x35,
|
||||
0x42, 0x4b, 0x50, 0x59, 0x66, 0x6f, 0x74, 0x7d, 0xa1, 0xa8, 0xb3, 0xba,
|
||||
0x85, 0x8c, 0x97, 0x9e, 0xe9, 0xe0, 0xfb, 0xf2, 0xcd, 0xc4, 0xdf, 0xd6,
|
||||
0x31, 0x38, 0x23, 0x2a, 0x15, 0x1c, 0x07, 0x0e, 0x79, 0x70, 0x6b, 0x62,
|
||||
0x5d, 0x54, 0x4f, 0x46},
|
||||
|
||||
{},
|
||||
|
||||
// mul 11
|
||||
{0x00, 0x0b, 0x16, 0x1d, 0x2c, 0x27, 0x3a, 0x31, 0x58, 0x53, 0x4e, 0x45,
|
||||
0x74, 0x7f, 0x62, 0x69, 0xb0, 0xbb, 0xa6, 0xad, 0x9c, 0x97, 0x8a, 0x81,
|
||||
0xe8, 0xe3, 0xfe, 0xf5, 0xc4, 0xcf, 0xd2, 0xd9, 0x7b, 0x70, 0x6d, 0x66,
|
||||
0x57, 0x5c, 0x41, 0x4a, 0x23, 0x28, 0x35, 0x3e, 0x0f, 0x04, 0x19, 0x12,
|
||||
0xcb, 0xc0, 0xdd, 0xd6, 0xe7, 0xec, 0xf1, 0xfa, 0x93, 0x98, 0x85, 0x8e,
|
||||
0xbf, 0xb4, 0xa9, 0xa2, 0xf6, 0xfd, 0xe0, 0xeb, 0xda, 0xd1, 0xcc, 0xc7,
|
||||
0xae, 0xa5, 0xb8, 0xb3, 0x82, 0x89, 0x94, 0x9f, 0x46, 0x4d, 0x50, 0x5b,
|
||||
0x6a, 0x61, 0x7c, 0x77, 0x1e, 0x15, 0x08, 0x03, 0x32, 0x39, 0x24, 0x2f,
|
||||
0x8d, 0x86, 0x9b, 0x90, 0xa1, 0xaa, 0xb7, 0xbc, 0xd5, 0xde, 0xc3, 0xc8,
|
||||
0xf9, 0xf2, 0xef, 0xe4, 0x3d, 0x36, 0x2b, 0x20, 0x11, 0x1a, 0x07, 0x0c,
|
||||
0x65, 0x6e, 0x73, 0x78, 0x49, 0x42, 0x5f, 0x54, 0xf7, 0xfc, 0xe1, 0xea,
|
||||
0xdb, 0xd0, 0xcd, 0xc6, 0xaf, 0xa4, 0xb9, 0xb2, 0x83, 0x88, 0x95, 0x9e,
|
||||
0x47, 0x4c, 0x51, 0x5a, 0x6b, 0x60, 0x7d, 0x76, 0x1f, 0x14, 0x09, 0x02,
|
||||
0x33, 0x38, 0x25, 0x2e, 0x8c, 0x87, 0x9a, 0x91, 0xa0, 0xab, 0xb6, 0xbd,
|
||||
0xd4, 0xdf, 0xc2, 0xc9, 0xf8, 0xf3, 0xee, 0xe5, 0x3c, 0x37, 0x2a, 0x21,
|
||||
0x10, 0x1b, 0x06, 0x0d, 0x64, 0x6f, 0x72, 0x79, 0x48, 0x43, 0x5e, 0x55,
|
||||
0x01, 0x0a, 0x17, 0x1c, 0x2d, 0x26, 0x3b, 0x30, 0x59, 0x52, 0x4f, 0x44,
|
||||
0x75, 0x7e, 0x63, 0x68, 0xb1, 0xba, 0xa7, 0xac, 0x9d, 0x96, 0x8b, 0x80,
|
||||
0xe9, 0xe2, 0xff, 0xf4, 0xc5, 0xce, 0xd3, 0xd8, 0x7a, 0x71, 0x6c, 0x67,
|
||||
0x56, 0x5d, 0x40, 0x4b, 0x22, 0x29, 0x34, 0x3f, 0x0e, 0x05, 0x18, 0x13,
|
||||
0xca, 0xc1, 0xdc, 0xd7, 0xe6, 0xed, 0xf0, 0xfb, 0x92, 0x99, 0x84, 0x8f,
|
||||
0xbe, 0xb5, 0xa8, 0xa3},
|
||||
|
||||
{},
|
||||
|
||||
// mul 13
|
||||
{0x00, 0x0d, 0x1a, 0x17, 0x34, 0x39, 0x2e, 0x23, 0x68, 0x65, 0x72, 0x7f,
|
||||
0x5c, 0x51, 0x46, 0x4b, 0xd0, 0xdd, 0xca, 0xc7, 0xe4, 0xe9, 0xfe, 0xf3,
|
||||
0xb8, 0xb5, 0xa2, 0xaf, 0x8c, 0x81, 0x96, 0x9b, 0xbb, 0xb6, 0xa1, 0xac,
|
||||
0x8f, 0x82, 0x95, 0x98, 0xd3, 0xde, 0xc9, 0xc4, 0xe7, 0xea, 0xfd, 0xf0,
|
||||
0x6b, 0x66, 0x71, 0x7c, 0x5f, 0x52, 0x45, 0x48, 0x03, 0x0e, 0x19, 0x14,
|
||||
0x37, 0x3a, 0x2d, 0x20, 0x6d, 0x60, 0x77, 0x7a, 0x59, 0x54, 0x43, 0x4e,
|
||||
0x05, 0x08, 0x1f, 0x12, 0x31, 0x3c, 0x2b, 0x26, 0xbd, 0xb0, 0xa7, 0xaa,
|
||||
0x89, 0x84, 0x93, 0x9e, 0xd5, 0xd8, 0xcf, 0xc2, 0xe1, 0xec, 0xfb, 0xf6,
|
||||
0xd6, 0xdb, 0xcc, 0xc1, 0xe2, 0xef, 0xf8, 0xf5, 0xbe, 0xb3, 0xa4, 0xa9,
|
||||
0x8a, 0x87, 0x90, 0x9d, 0x06, 0x0b, 0x1c, 0x11, 0x32, 0x3f, 0x28, 0x25,
|
||||
0x6e, 0x63, 0x74, 0x79, 0x5a, 0x57, 0x40, 0x4d, 0xda, 0xd7, 0xc0, 0xcd,
|
||||
0xee, 0xe3, 0xf4, 0xf9, 0xb2, 0xbf, 0xa8, 0xa5, 0x86, 0x8b, 0x9c, 0x91,
|
||||
0x0a, 0x07, 0x10, 0x1d, 0x3e, 0x33, 0x24, 0x29, 0x62, 0x6f, 0x78, 0x75,
|
||||
0x56, 0x5b, 0x4c, 0x41, 0x61, 0x6c, 0x7b, 0x76, 0x55, 0x58, 0x4f, 0x42,
|
||||
0x09, 0x04, 0x13, 0x1e, 0x3d, 0x30, 0x27, 0x2a, 0xb1, 0xbc, 0xab, 0xa6,
|
||||
0x85, 0x88, 0x9f, 0x92, 0xd9, 0xd4, 0xc3, 0xce, 0xed, 0xe0, 0xf7, 0xfa,
|
||||
0xb7, 0xba, 0xad, 0xa0, 0x83, 0x8e, 0x99, 0x94, 0xdf, 0xd2, 0xc5, 0xc8,
|
||||
0xeb, 0xe6, 0xf1, 0xfc, 0x67, 0x6a, 0x7d, 0x70, 0x53, 0x5e, 0x49, 0x44,
|
||||
0x0f, 0x02, 0x15, 0x18, 0x3b, 0x36, 0x21, 0x2c, 0x0c, 0x01, 0x16, 0x1b,
|
||||
0x38, 0x35, 0x22, 0x2f, 0x64, 0x69, 0x7e, 0x73, 0x50, 0x5d, 0x4a, 0x47,
|
||||
0xdc, 0xd1, 0xc6, 0xcb, 0xe8, 0xe5, 0xf2, 0xff, 0xb4, 0xb9, 0xae, 0xa3,
|
||||
0x80, 0x8d, 0x9a, 0x97},
|
||||
|
||||
// mul 14
|
||||
{0x00, 0x0e, 0x1c, 0x12, 0x38, 0x36, 0x24, 0x2a, 0x70, 0x7e, 0x6c, 0x62,
|
||||
0x48, 0x46, 0x54, 0x5a, 0xe0, 0xee, 0xfc, 0xf2, 0xd8, 0xd6, 0xc4, 0xca,
|
||||
0x90, 0x9e, 0x8c, 0x82, 0xa8, 0xa6, 0xb4, 0xba, 0xdb, 0xd5, 0xc7, 0xc9,
|
||||
0xe3, 0xed, 0xff, 0xf1, 0xab, 0xa5, 0xb7, 0xb9, 0x93, 0x9d, 0x8f, 0x81,
|
||||
0x3b, 0x35, 0x27, 0x29, 0x03, 0x0d, 0x1f, 0x11, 0x4b, 0x45, 0x57, 0x59,
|
||||
0x73, 0x7d, 0x6f, 0x61, 0xad, 0xa3, 0xb1, 0xbf, 0x95, 0x9b, 0x89, 0x87,
|
||||
0xdd, 0xd3, 0xc1, 0xcf, 0xe5, 0xeb, 0xf9, 0xf7, 0x4d, 0x43, 0x51, 0x5f,
|
||||
0x75, 0x7b, 0x69, 0x67, 0x3d, 0x33, 0x21, 0x2f, 0x05, 0x0b, 0x19, 0x17,
|
||||
0x76, 0x78, 0x6a, 0x64, 0x4e, 0x40, 0x52, 0x5c, 0x06, 0x08, 0x1a, 0x14,
|
||||
0x3e, 0x30, 0x22, 0x2c, 0x96, 0x98, 0x8a, 0x84, 0xae, 0xa0, 0xb2, 0xbc,
|
||||
0xe6, 0xe8, 0xfa, 0xf4, 0xde, 0xd0, 0xc2, 0xcc, 0x41, 0x4f, 0x5d, 0x53,
|
||||
0x79, 0x77, 0x65, 0x6b, 0x31, 0x3f, 0x2d, 0x23, 0x09, 0x07, 0x15, 0x1b,
|
||||
0xa1, 0xaf, 0xbd, 0xb3, 0x99, 0x97, 0x85, 0x8b, 0xd1, 0xdf, 0xcd, 0xc3,
|
||||
0xe9, 0xe7, 0xf5, 0xfb, 0x9a, 0x94, 0x86, 0x88, 0xa2, 0xac, 0xbe, 0xb0,
|
||||
0xea, 0xe4, 0xf6, 0xf8, 0xd2, 0xdc, 0xce, 0xc0, 0x7a, 0x74, 0x66, 0x68,
|
||||
0x42, 0x4c, 0x5e, 0x50, 0x0a, 0x04, 0x16, 0x18, 0x32, 0x3c, 0x2e, 0x20,
|
||||
0xec, 0xe2, 0xf0, 0xfe, 0xd4, 0xda, 0xc8, 0xc6, 0x9c, 0x92, 0x80, 0x8e,
|
||||
0xa4, 0xaa, 0xb8, 0xb6, 0x0c, 0x02, 0x10, 0x1e, 0x34, 0x3a, 0x28, 0x26,
|
||||
0x7c, 0x72, 0x60, 0x6e, 0x44, 0x4a, 0x58, 0x56, 0x37, 0x39, 0x2b, 0x25,
|
||||
0x0f, 0x01, 0x13, 0x1d, 0x47, 0x49, 0x5b, 0x55, 0x7f, 0x71, 0x63, 0x6d,
|
||||
0xd7, 0xd9, 0xcb, 0xc5, 0xef, 0xe1, 0xf3, 0xfd, 0xa7, 0xa9, 0xbb, 0xb5,
|
||||
0x9f, 0x91, 0x83, 0x8d}};
|
||||
|
||||
/// circulant MDS matrix
|
||||
static const unsigned char CMDS[4][4] = {
|
||||
{2, 3, 1, 1}, {1, 2, 3, 1}, {1, 1, 2, 3}, {3, 1, 1, 2}};
|
||||
|
||||
/// Inverse circulant MDS matrix
|
||||
static const unsigned char INV_CMDS[4][4] = {
|
||||
{14, 11, 13, 9}, {9, 14, 11, 13}, {13, 9, 14, 11}, {11, 13, 9, 14}};
|
||||
|
||||
#endif
|
||||
265
misc/ByteStream.cpp
Normal file
265
misc/ByteStream.cpp
Normal file
@@ -0,0 +1,265 @@
|
||||
|
||||
#include "ByteStream.h"
|
||||
|
||||
|
||||
ByteStream::ByteStream( const std::vector< uint8_t > &data )
|
||||
{
|
||||
this->data = data;
|
||||
this->write_position = 0;
|
||||
}
|
||||
|
||||
ByteStream::ByteStream( const std::string &data )
|
||||
{
|
||||
this->data = std::vector< uint8_t >( data.begin(), data.end() );
|
||||
this->write_position = 0;
|
||||
}
|
||||
|
||||
ByteStream::ByteStream( const uint8_t *data, size_t length )
|
||||
{
|
||||
this->data = std::vector< uint8_t >( data, data + length );
|
||||
this->write_position = 0;
|
||||
}
|
||||
|
||||
ByteStream::ByteStream( size_t length )
|
||||
{
|
||||
this->data = std::vector< uint8_t >( length, 0 );
|
||||
this->write_position = 0;
|
||||
}
|
||||
|
||||
ByteStream::ByteStream()
|
||||
{
|
||||
this->write_position = 0;
|
||||
}
|
||||
|
||||
ByteStream::~ByteStream()
|
||||
{
|
||||
}
|
||||
|
||||
void ByteStream::resize( size_t size )
|
||||
{
|
||||
data.resize( size );
|
||||
}
|
||||
|
||||
void ByteStream::shrink_to_fit()
|
||||
{
|
||||
data.shrink_to_fit();
|
||||
}
|
||||
|
||||
template < typename T >
|
||||
void ByteStream::write( T value )
|
||||
{
|
||||
write_bytes( ( uint8_t * )&value, sizeof( T ) );
|
||||
}
|
||||
|
||||
template < typename T >
|
||||
T ByteStream::read()
|
||||
{
|
||||
T value = *( T * )&data[ write_position ];
|
||||
write_position += sizeof( T );
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
void ByteStream::write_utf8( const std::string &value )
|
||||
{
|
||||
write_bytes( std::vector< uint8_t >( value.begin(), value.end() ) );
|
||||
}
|
||||
|
||||
void ByteStream::write_utf16( const std::wstring &value )
|
||||
{
|
||||
std::vector< uint8_t > utf16;
|
||||
for( auto c : value )
|
||||
{
|
||||
utf16.push_back( c & 0xFF );
|
||||
utf16.push_back( ( c >> 8 ) & 0xFF );
|
||||
}
|
||||
|
||||
write_bytes( utf16 );
|
||||
}
|
||||
|
||||
void ByteStream::write_sz_utf8( const std::string &value )
|
||||
{
|
||||
write_utf8( value );
|
||||
write< uint8_t >( 0 );
|
||||
}
|
||||
|
||||
void ByteStream::write_sz_utf16( const std::wstring &value )
|
||||
{
|
||||
write_utf16( value );
|
||||
write<uint16_t>( 0 );
|
||||
}
|
||||
|
||||
uint8_t ByteStream::read_u8()
|
||||
{
|
||||
return read< uint8_t >();
|
||||
}
|
||||
|
||||
uint16_t ByteStream::read_u16()
|
||||
{
|
||||
return read< uint16_t >();
|
||||
}
|
||||
|
||||
uint32_t ByteStream::read_u32()
|
||||
{
|
||||
return read< uint32_t >();
|
||||
}
|
||||
|
||||
int8_t ByteStream::read_i8()
|
||||
{
|
||||
return read< int8_t >();
|
||||
}
|
||||
|
||||
int16_t ByteStream::read_i16()
|
||||
{
|
||||
return read< int16_t >();
|
||||
}
|
||||
|
||||
int32_t ByteStream::read_i32()
|
||||
{
|
||||
return read< int32_t >();
|
||||
}
|
||||
|
||||
float_t ByteStream::read_f32()
|
||||
{
|
||||
return read< float_t >();
|
||||
}
|
||||
|
||||
std::string ByteStream::read_utf8()
|
||||
{
|
||||
uint32_t length = read_u32();
|
||||
std::string value;
|
||||
for( size_t i = 0; i < length; i++ )
|
||||
{
|
||||
value.push_back( data[ write_position + i ] );
|
||||
}
|
||||
|
||||
write_position += length;
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
std::wstring ByteStream::read_utf16()
|
||||
{
|
||||
std::wstring value;
|
||||
uint32_t length = read_u32() * 2;
|
||||
|
||||
for( size_t i = 0; i < length; i += 2 )
|
||||
{
|
||||
value.push_back( data[ write_position + i ] | ( data[ write_position + i + 1 ] << 8 ) );
|
||||
}
|
||||
|
||||
write_position += length;
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
std::string ByteStream::read_sz_utf8()
|
||||
{
|
||||
std::string value;
|
||||
while( data[ write_position ] != 0 )
|
||||
{
|
||||
value.push_back( data[ write_position ] );
|
||||
write_position++;
|
||||
}
|
||||
|
||||
write_position++;
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
std::wstring ByteStream::read_sz_utf16()
|
||||
{
|
||||
std::wstring value;
|
||||
while( data[ write_position ] != 0 || data[ write_position + 1 ] != 0 )
|
||||
{
|
||||
value.push_back( data[ write_position ] | ( data[ write_position + 1 ] << 8 ) );
|
||||
write_position += 2;
|
||||
}
|
||||
|
||||
write_position += 2;
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
void ByteStream::write_bytes( const std::vector< uint8_t > &value )
|
||||
{
|
||||
std::copy( value.begin(), value.end(), std::back_inserter( data ) );
|
||||
write_position += value.size();
|
||||
}
|
||||
|
||||
void ByteStream::write_bytes( const uint8_t *value, size_t length )
|
||||
{
|
||||
std::copy( value, value + length, std::back_inserter( data ) );
|
||||
write_position += length;
|
||||
}
|
||||
|
||||
std::vector<uint8_t> ByteStream::read_bytes( size_t length )
|
||||
{
|
||||
std::vector<uint8_t> value( length, 0 );
|
||||
|
||||
std::copy( data.begin() + write_position, data.begin() + write_position + length, value.begin() );
|
||||
|
||||
write_position += length;
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
std::vector<uint8_t> ByteStream::get_data() const
|
||||
{
|
||||
return data;
|
||||
}
|
||||
|
||||
size_t ByteStream::get_length() const
|
||||
{
|
||||
return data.size();
|
||||
}
|
||||
|
||||
void ByteStream::set_write_position( size_t write_position )
|
||||
{
|
||||
if( write_position > data.size() )
|
||||
{
|
||||
write_position = data.size();
|
||||
}
|
||||
|
||||
this->write_position = write_position;
|
||||
}
|
||||
|
||||
size_t ByteStream::get_write_position() const
|
||||
{
|
||||
return this->write_position;
|
||||
}
|
||||
|
||||
void ByteStream::write_u8( uint8_t value )
|
||||
{
|
||||
write< uint8_t >( value );
|
||||
}
|
||||
|
||||
void ByteStream::write_u16( uint16_t value )
|
||||
{
|
||||
write< uint16_t >( value );
|
||||
}
|
||||
|
||||
void ByteStream::write_u32( uint32_t value )
|
||||
{
|
||||
write< uint32_t >( value );
|
||||
}
|
||||
|
||||
void ByteStream::write_i8( int8_t value )
|
||||
{
|
||||
write< int8_t >( value );
|
||||
}
|
||||
|
||||
void ByteStream::write_i16( int16_t value )
|
||||
{
|
||||
write< int16_t >( value );
|
||||
}
|
||||
|
||||
void ByteStream::write_i32( int32_t value )
|
||||
{
|
||||
write< int32_t >( value );
|
||||
}
|
||||
|
||||
void ByteStream::write_f32( float_t value )
|
||||
{
|
||||
write< float_t >( value );
|
||||
}
|
||||
67
misc/ByteStream.h
Normal file
67
misc/ByteStream.h
Normal file
@@ -0,0 +1,67 @@
|
||||
#pragma once
|
||||
|
||||
#include <vector>
|
||||
#include <string>
|
||||
#include <memory>
|
||||
#include <iterator>
|
||||
|
||||
class ByteStream
|
||||
{
|
||||
public:
|
||||
ByteStream( const std::vector< uint8_t > &data );
|
||||
ByteStream( const std::string &data );
|
||||
ByteStream( const uint8_t *data, size_t length );
|
||||
ByteStream( size_t length );
|
||||
ByteStream();
|
||||
|
||||
~ByteStream();
|
||||
|
||||
void resize( size_t size );
|
||||
void shrink_to_fit();
|
||||
|
||||
template < typename T >
|
||||
void write( T value );
|
||||
|
||||
template < typename T >
|
||||
T read();
|
||||
|
||||
void write_u8( uint8_t value );
|
||||
void write_u16( uint16_t value );
|
||||
void write_u32( uint32_t value );
|
||||
void write_i8( int8_t value );
|
||||
void write_i16( int16_t value );
|
||||
void write_i32( int32_t value );
|
||||
void write_f32( float_t value );
|
||||
|
||||
void write_utf8( const std::string &value );
|
||||
void write_utf16( const std::wstring &value );
|
||||
void write_sz_utf8( const std::string &value );
|
||||
void write_sz_utf16( const std::wstring &value );
|
||||
|
||||
uint8_t read_u8();
|
||||
uint16_t read_u16();
|
||||
uint32_t read_u32();
|
||||
int8_t read_i8();
|
||||
int16_t read_i16();
|
||||
int32_t read_i32();
|
||||
float_t read_f32();
|
||||
|
||||
std::string read_utf8();
|
||||
std::wstring read_utf16();
|
||||
std::string read_sz_utf8();
|
||||
std::wstring read_sz_utf16();
|
||||
|
||||
void write_bytes( const std::vector< uint8_t > &value );
|
||||
void write_bytes( const uint8_t *value, size_t length );
|
||||
|
||||
std::vector< uint8_t > read_bytes( size_t length );
|
||||
std::vector< uint8_t > get_data() const;
|
||||
|
||||
size_t get_length() const;
|
||||
|
||||
void set_write_position( size_t write_position );
|
||||
size_t get_write_position() const;
|
||||
|
||||
std::vector< uint8_t > data;
|
||||
size_t write_position;
|
||||
};
|
||||
153
misc/Encryptor.cpp
Normal file
153
misc/Encryptor.cpp
Normal file
@@ -0,0 +1,153 @@
|
||||
#include "Encryptor.h"
|
||||
#include <ctime>
|
||||
#include <array>
|
||||
|
||||
#include "AES.h"
|
||||
|
||||
bool Encryptor::ms_initialized = false;
|
||||
|
||||
Encryptor::Encryptor()
|
||||
{
|
||||
// Initialize the private key
|
||||
m_privateKey = ""; // Default initialization
|
||||
|
||||
// Initialize basic_str_b
|
||||
basic_str_b = "";
|
||||
|
||||
// Initialize the symmetric key
|
||||
m_symmetricKey.assign( default_sym_key );
|
||||
|
||||
// Static initialization logic
|
||||
if( !ms_initialized )
|
||||
{
|
||||
ms_initialized = true;
|
||||
std::srand( static_cast< unsigned >( std::time( nullptr ) ) );
|
||||
Encryptor::test();
|
||||
}
|
||||
}
|
||||
|
||||
std::string Encryptor::generateSymmetricKey( void )
|
||||
{
|
||||
constexpr size_t KEY_LENGTH = 32;
|
||||
|
||||
std::array<unsigned char, KEY_LENGTH> keyData{ 0 };
|
||||
|
||||
// Generate 32 random bytes
|
||||
for( size_t i = 0; i < KEY_LENGTH; ++i )
|
||||
{
|
||||
keyData[ i ] = static_cast< unsigned char >( rand() % 255 );
|
||||
}
|
||||
|
||||
// Replace the symmetric key with the generated key
|
||||
m_symmetricKey.assign( reinterpret_cast< char * >( keyData.data() ), KEY_LENGTH );
|
||||
|
||||
return m_symmetricKey;
|
||||
}
|
||||
|
||||
std::string Encryptor::generatePrivateSymKey( void )
|
||||
{
|
||||
constexpr size_t KEY_LENGTH = 32;
|
||||
|
||||
std::array<unsigned char, KEY_LENGTH> keyData{ 0 };
|
||||
|
||||
// Generate 32 random bytes
|
||||
for( size_t i = 0; i < KEY_LENGTH; ++i )
|
||||
{
|
||||
keyData[ i ] = static_cast< unsigned char >( rand() % 255 );
|
||||
}
|
||||
|
||||
// Replace the symmetric key with the generated key
|
||||
m_privateKey.assign( reinterpret_cast< char * >( keyData.data() ), KEY_LENGTH );
|
||||
|
||||
// Print the private key as bytes
|
||||
printf( "Private Sym Key: " );
|
||||
for( auto c : m_privateKey )
|
||||
{
|
||||
printf( "%02X", (uint8_t)c );
|
||||
}
|
||||
printf( "\n" );
|
||||
|
||||
// Encrypt the private key
|
||||
AES aes( AESKeyLength::AES_128 );
|
||||
|
||||
auto c = aes.EncryptECB(
|
||||
reinterpret_cast< const uint8_t * >( m_privateKey.c_str() ),
|
||||
m_privateKey.size(),
|
||||
reinterpret_cast< const uint8_t * >( default_public_key.c_str() ) );
|
||||
|
||||
m_encryptedPrivateKey = std::string( reinterpret_cast< const char * >( c ), m_privateKey.size() );
|
||||
|
||||
// Print the encrypted key as bytes
|
||||
printf( "Encrypted Sym Key: " );
|
||||
for( auto c : m_encryptedPrivateKey )
|
||||
{
|
||||
printf( "%02X", ( uint8_t )c );
|
||||
}
|
||||
printf( "\n" );
|
||||
|
||||
return m_encryptedPrivateKey;
|
||||
}
|
||||
|
||||
std::string Encryptor::encryptSymmetric( const std::string &input )
|
||||
{
|
||||
AES aes( AESKeyLength::AES_128 );
|
||||
|
||||
auto result = aes.EncryptECB( reinterpret_cast< const uint8_t * >( input.c_str() ), input.size(), reinterpret_cast< const uint8_t * >( m_privateKey.c_str() ) );
|
||||
|
||||
return std::string( reinterpret_cast< const char * >( result ), input.size() );
|
||||
}
|
||||
|
||||
std::string Encryptor::decryptSymmetric( const std::string &input )
|
||||
{
|
||||
AES aes( AESKeyLength::AES_128 );
|
||||
|
||||
auto result = aes.DecryptECB( reinterpret_cast< const uint8_t * >( input.c_str() ), input.size(), reinterpret_cast< const uint8_t * >( m_privateKey.c_str() ) );
|
||||
|
||||
return std::string( reinterpret_cast< const char * >( result ), input.size() );
|
||||
}
|
||||
|
||||
void Encryptor::test()
|
||||
{
|
||||
/*std::string inputStr = "HelloWorld"; // Input string to encrypt and decrypt
|
||||
std::string intermediateEncryptedStr; // Encrypted intermediate result
|
||||
std::string intermediateDecryptedStr; // Decrypted intermediate result
|
||||
|
||||
// Generate symmetric key
|
||||
std::string symmetricKey;
|
||||
generateSymmetricKey( symmetricKey );
|
||||
|
||||
// Encrypt the input string using the symmetric key
|
||||
encryptor.encryptSymmetric( intermediateEncryptedStr, inputStr );
|
||||
|
||||
// Log intermediate encryption result
|
||||
std::cout << "Encrypted string: " << intermediateEncryptedStr << std::endl;
|
||||
|
||||
// Decrypt the encrypted string using the symmetric key
|
||||
encryptor.decryptSymmetric( intermediateDecryptedStr, intermediateEncryptedStr );
|
||||
|
||||
// Log final decryption result
|
||||
std::cout << "Decrypted string: " << intermediateDecryptedStr << std::endl;
|
||||
|
||||
// Check if decryption matches the original input
|
||||
if( inputStr == intermediateDecryptedStr )
|
||||
{
|
||||
std::cout << "Test passed: Decryption matches original input." << std::endl;
|
||||
}
|
||||
else
|
||||
{
|
||||
std::cout << "Test failed: Decryption does not match original input." << std::endl;
|
||||
}*/
|
||||
}
|
||||
|
||||
int decryptBuffer( const uint8_t *input, int32_t dataSize, uint8_t *output, const uint8_t *symKey )
|
||||
{
|
||||
if( dataSize <= 0 )
|
||||
{
|
||||
return false; // No data to decrypt
|
||||
}
|
||||
|
||||
AES aes( AESKeyLength::AES_128 );
|
||||
output = aes.DecryptECB( input, dataSize, symKey );
|
||||
|
||||
return true;
|
||||
}
|
||||
39
misc/Encryptor.h
Normal file
39
misc/Encryptor.h
Normal file
@@ -0,0 +1,39 @@
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <string>
|
||||
|
||||
int decryptBuffer( const uint8_t *input, int64_t dataSize, uint8_t *output, const uint8_t *symKey );
|
||||
|
||||
class Encryptor
|
||||
{
|
||||
public:
|
||||
const static inline std::string default_public_key = "25B946EBC0B361734A63910E1FF3C9E1";
|
||||
const static inline std::string default_sym_key = "dlfk qs';r+t iqe4t9ueerjKDJ wdaj";
|
||||
|
||||
Encryptor(); // Constructor
|
||||
|
||||
std::string generateSymmetricKey( void );
|
||||
std::string generatePrivateSymKey( void );
|
||||
|
||||
std::string encryptSymmetric( const std::string &input );
|
||||
std::string decryptSymmetric( const std::string &input );
|
||||
|
||||
void setSymmetricKey( const std::string &key );
|
||||
std::string getSymmetricKey( void ) const;
|
||||
|
||||
void setPublicKey( const std::string &key );
|
||||
std::string getPublicKey( void ) const;
|
||||
|
||||
void setPrivateKey( const std::string &key );
|
||||
std::string getPrivateKey( void ) const;
|
||||
|
||||
static void test();
|
||||
|
||||
std::string m_privateKey, m_encryptedPrivateKey;
|
||||
std::string m_symmetricKey;
|
||||
std::string basic_str_b;
|
||||
|
||||
static bool ms_initialized;
|
||||
};
|
||||
|
||||
210
misc/Timer.cpp
Normal file
210
misc/Timer.cpp
Normal file
@@ -0,0 +1,210 @@
|
||||
|
||||
#include "Timer.h"
|
||||
|
||||
CTimer::CTimer()
|
||||
{
|
||||
m_stopped = true;
|
||||
m_inited = false;
|
||||
m_usingQPF = false;
|
||||
|
||||
m_lastElapsedTime = 0.0;
|
||||
m_baseTime = 0.0;
|
||||
m_stopTime = 0.0;
|
||||
m_currSysTime = 0.0;
|
||||
m_currElapsedTime = 0.0;
|
||||
|
||||
m_baseMilliTime = 0.0;
|
||||
m_currSysMilliTime = 0.0;
|
||||
m_currElapsedMilliTime = 0.0;
|
||||
|
||||
m_QPFTicksPerSec = 0;
|
||||
m_QPFStopTime = 0;
|
||||
m_QPFLastElapsedTime = 0;
|
||||
m_QPFBaseTime = 0;
|
||||
}
|
||||
|
||||
CTimer::~CTimer()
|
||||
{
|
||||
}
|
||||
|
||||
void CTimer::Start()
|
||||
{
|
||||
if( !m_inited )
|
||||
{
|
||||
LARGE_INTEGER qwTicksPerSec;
|
||||
m_usingQPF = QueryPerformanceFrequency( &qwTicksPerSec );
|
||||
if( m_usingQPF )
|
||||
m_QPFTicksPerSec = qwTicksPerSec.QuadPart;
|
||||
|
||||
if( m_usingQPF )
|
||||
{
|
||||
QueryPerformanceCounter( &m_QPFTime );
|
||||
m_QPFBaseTime = m_QPFTime.QuadPart;
|
||||
m_currSysTime = m_QPFBaseTime / ( double )m_QPFTicksPerSec;
|
||||
m_baseTime = m_currSysTime;
|
||||
|
||||
m_currSysMilliTime = m_currSysTime * 1000.0;
|
||||
m_baseMilliTime = m_baseTime * 1000.0;
|
||||
}
|
||||
else
|
||||
{
|
||||
m_currSysTime = GetTickCount() * 0.001;
|
||||
m_baseTime = m_currSysTime;
|
||||
|
||||
m_currSysMilliTime = m_currSysTime * 1000.0;
|
||||
m_baseMilliTime = m_baseTime * 1000.0;
|
||||
}
|
||||
|
||||
m_inited = true;
|
||||
}
|
||||
|
||||
if( m_usingQPF )
|
||||
{
|
||||
QueryPerformanceCounter( &m_QPFTime );
|
||||
m_currSysTime = m_QPFTime.QuadPart / ( double )m_QPFTicksPerSec;
|
||||
m_currSysMilliTime = m_currSysTime * 1000.0;
|
||||
|
||||
m_QPFStopTime = 0;
|
||||
m_QPFLastElapsedTime = m_QPFTime.QuadPart;
|
||||
}
|
||||
else
|
||||
{
|
||||
m_currSysTime = GetTickCount() * 0.001;
|
||||
m_currSysMilliTime = m_currSysTime * 1000.0;
|
||||
|
||||
m_stopTime = 0.0f;
|
||||
m_lastElapsedTime = m_currSysTime;
|
||||
}
|
||||
|
||||
m_stopped = false;
|
||||
}
|
||||
|
||||
void CTimer::Stop()
|
||||
{
|
||||
if( m_stopped ) return;
|
||||
|
||||
if( m_usingQPF )
|
||||
{
|
||||
QueryPerformanceCounter( &m_QPFTime );
|
||||
m_currSysTime = m_QPFTime.QuadPart / ( double )m_QPFTicksPerSec;
|
||||
m_currSysMilliTime = m_currSysTime * 1000.0;
|
||||
|
||||
m_QPFStopTime = m_QPFTime.QuadPart;
|
||||
m_QPFLastElapsedTime = m_QPFTime.QuadPart;
|
||||
}
|
||||
else
|
||||
{
|
||||
m_currSysTime = GetTickCount() * 0.001;
|
||||
m_currSysMilliTime = m_currSysTime * 1000.0;
|
||||
|
||||
m_stopTime = m_currSysTime;
|
||||
m_lastElapsedTime = m_currSysTime;
|
||||
}
|
||||
|
||||
m_stopped = true;
|
||||
}
|
||||
|
||||
void CTimer::Advance()
|
||||
{
|
||||
if( m_usingQPF )
|
||||
m_QPFStopTime += m_QPFTicksPerSec / 10;
|
||||
else
|
||||
m_stopTime += 0.1f;
|
||||
}
|
||||
|
||||
void CTimer::Reset()
|
||||
{
|
||||
if( m_usingQPF )
|
||||
{
|
||||
QueryPerformanceCounter( &m_QPFTime );
|
||||
m_currSysTime = m_QPFTime.QuadPart / ( double )m_QPFTicksPerSec;
|
||||
m_currSysMilliTime = m_currSysTime * 1000.0;
|
||||
|
||||
m_QPFBaseTime = m_QPFTime.QuadPart;
|
||||
m_QPFLastElapsedTime = m_QPFTime.QuadPart;
|
||||
m_QPFStopTime = 0;
|
||||
|
||||
m_baseTime = m_QPFBaseTime / ( double )m_QPFTicksPerSec;
|
||||
}
|
||||
else
|
||||
{
|
||||
m_currSysTime = GetTickCount() * 0.001;
|
||||
m_currSysMilliTime = m_currSysTime * 1000.0;
|
||||
|
||||
m_baseTime = m_currSysTime;
|
||||
m_lastElapsedTime = m_currSysTime;
|
||||
m_stopTime = 0.0;
|
||||
}
|
||||
|
||||
m_stopped = false;
|
||||
}
|
||||
|
||||
double CTimer::Tick()
|
||||
{
|
||||
if( m_stopped )
|
||||
{
|
||||
if( m_usingQPF )
|
||||
{
|
||||
m_currSysTime = m_QPFStopTime / ( double )m_QPFTicksPerSec;
|
||||
m_currSysMilliTime = m_currSysTime * 1000.0;
|
||||
}
|
||||
else
|
||||
{
|
||||
m_currSysTime = m_stopTime;
|
||||
m_currSysMilliTime = m_currSysTime * 1000.0;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if( m_usingQPF )
|
||||
{
|
||||
QueryPerformanceCounter( &m_QPFTime );
|
||||
m_currSysTime = m_QPFTime.QuadPart / ( double )m_QPFTicksPerSec;
|
||||
m_currSysMilliTime = m_currSysTime * 1000.0;
|
||||
|
||||
m_currElapsedTime = ( double )( m_QPFTime.QuadPart - m_QPFLastElapsedTime ) / ( double )m_QPFTicksPerSec;
|
||||
m_QPFLastElapsedTime = m_QPFTime.QuadPart;
|
||||
|
||||
m_currElapsedMilliTime = m_currElapsedTime * 1000.0;
|
||||
}
|
||||
else
|
||||
{
|
||||
m_currSysTime = GetTickCount() * 0.001;
|
||||
m_currSysMilliTime = m_currSysTime * 1000.0;
|
||||
|
||||
m_currElapsedTime = ( double )( m_currSysTime - m_lastElapsedTime );
|
||||
m_lastElapsedTime = m_currSysTime;
|
||||
|
||||
m_currElapsedMilliTime = m_currElapsedTime * 1000.0;
|
||||
}
|
||||
}
|
||||
return ( float )m_currElapsedTime;
|
||||
}
|
||||
|
||||
double CTimer::GetAbsoluteTime()
|
||||
{
|
||||
if( m_stopped )
|
||||
{
|
||||
if( m_usingQPF )
|
||||
{
|
||||
return ( m_QPFStopTime / ( double )m_QPFTicksPerSec );
|
||||
}
|
||||
else
|
||||
{
|
||||
return ( m_stopTime );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if( m_usingQPF )
|
||||
{
|
||||
QueryPerformanceCounter( &m_QPFTime );
|
||||
|
||||
return ( m_QPFTime.QuadPart / ( double )m_QPFTicksPerSec );
|
||||
}
|
||||
else
|
||||
{
|
||||
return ( GetTickCount() * 0.001 );
|
||||
}
|
||||
}
|
||||
}
|
||||
58
misc/Timer.h
Normal file
58
misc/Timer.h
Normal file
@@ -0,0 +1,58 @@
|
||||
#pragma once
|
||||
|
||||
#include <Windows.h>
|
||||
|
||||
class CTimer {
|
||||
int m_stopped;
|
||||
int m_inited;
|
||||
int m_usingQPF;
|
||||
|
||||
double m_lastElapsedTime;
|
||||
double m_baseTime;
|
||||
double m_stopTime;
|
||||
double m_currSysTime;
|
||||
double m_currElapsedTime;
|
||||
double m_baseMilliTime;
|
||||
double m_currSysMilliTime;
|
||||
double m_currElapsedMilliTime;
|
||||
|
||||
long long m_QPFTicksPerSec;
|
||||
long long m_QPFStopTime;
|
||||
long long m_QPFLastElapsedTime;
|
||||
long long m_QPFBaseTime;
|
||||
|
||||
LARGE_INTEGER m_QPFTime;
|
||||
|
||||
public:
|
||||
|
||||
CTimer();
|
||||
~CTimer();
|
||||
|
||||
void Start();
|
||||
void Stop();
|
||||
void Advance();
|
||||
void Reset();
|
||||
double Tick();
|
||||
inline double GetAppTime()
|
||||
{
|
||||
return ( m_currSysTime - m_baseTime );
|
||||
}
|
||||
inline double GetElapsedTime()
|
||||
{
|
||||
return m_currElapsedTime;
|
||||
}
|
||||
inline double GetSysTime()
|
||||
{
|
||||
return m_currSysTime;
|
||||
}
|
||||
inline double GetAppMilliTime()
|
||||
{
|
||||
return ( m_currSysMilliTime - m_baseMilliTime );
|
||||
}
|
||||
inline double GetElapsedMilliTime()
|
||||
{
|
||||
return m_currElapsedMilliTime;
|
||||
}
|
||||
|
||||
double GetAbsoluteTime();
|
||||
};
|
||||
44
misc/math.cpp
Normal file
44
misc/math.cpp
Normal file
@@ -0,0 +1,44 @@
|
||||
#include "..\global_define.h"
|
||||
|
||||
int32_t Math::round_up( int32_t numToRound, int32_t multiple )
|
||||
{
|
||||
if( multiple == 0 )
|
||||
return numToRound;
|
||||
|
||||
int32_t remainder = abs( numToRound ) % multiple;
|
||||
if( remainder == 0 )
|
||||
return numToRound;
|
||||
|
||||
if( numToRound < 0 )
|
||||
return -( abs( numToRound ) - remainder );
|
||||
else
|
||||
return numToRound + multiple - remainder;
|
||||
}
|
||||
|
||||
int32_t Math::round_down( int32_t numToRound, int32_t multiple )
|
||||
{
|
||||
if( multiple == 0 )
|
||||
return numToRound;
|
||||
|
||||
int32_t remainder = abs( numToRound ) % multiple;
|
||||
if( remainder == 0 )
|
||||
return numToRound;
|
||||
|
||||
if( numToRound < 0 )
|
||||
return -( abs( numToRound ) + remainder );
|
||||
else
|
||||
return numToRound - remainder;
|
||||
}
|
||||
|
||||
uint16_t Math::swap_endian( uint16_t val )
|
||||
{
|
||||
return ( val << 8 ) | ( val >> 8 );
|
||||
}
|
||||
|
||||
uint32_t Math::swap_endian( uint32_t val )
|
||||
{
|
||||
return ( ( val << 24 ) & 0xFF000000 ) |
|
||||
( ( val << 8 ) & 0x00FF0000 ) |
|
||||
( ( val >> 8 ) & 0x0000FF00 ) |
|
||||
( ( val >> 24 ) & 0x000000FF );
|
||||
}
|
||||
10
misc/math.h
Normal file
10
misc/math.h
Normal file
@@ -0,0 +1,10 @@
|
||||
#pragma once
|
||||
|
||||
namespace Math
|
||||
{
|
||||
int32_t round_up( int32_t numToRound, int32_t multiple );
|
||||
int32_t round_down( int32_t numToRound, int32_t multiple );
|
||||
|
||||
uint16_t swap_endian( uint16_t val );
|
||||
uint32_t swap_endian( uint32_t val );
|
||||
}
|
||||
87
misc/threadsafe_queue.hpp
Normal file
87
misc/threadsafe_queue.hpp
Normal file
@@ -0,0 +1,87 @@
|
||||
#pragma once
|
||||
|
||||
#include <list>
|
||||
#include <mutex>
|
||||
|
||||
template< typename T >
|
||||
class threadsafe_queue
|
||||
{
|
||||
public:
|
||||
using value_type = T;
|
||||
|
||||
threadsafe_queue() : mutex_(), list_()
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
~threadsafe_queue()
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
size_t size()
|
||||
{
|
||||
return list_.size();
|
||||
}
|
||||
|
||||
bool empty()
|
||||
{
|
||||
return list_.empty();
|
||||
}
|
||||
|
||||
void push( T t )
|
||||
{
|
||||
mutex_.lock();
|
||||
list_.push_back( t );
|
||||
mutex_.unlock();
|
||||
}
|
||||
|
||||
void pop()
|
||||
{
|
||||
mutex_.lock();
|
||||
if( !list_.empty() )
|
||||
{
|
||||
list_.pop_front();
|
||||
}
|
||||
mutex_.unlock();
|
||||
}
|
||||
|
||||
bool front( T& result )
|
||||
{
|
||||
bool ret = false;
|
||||
mutex_.lock();
|
||||
if( !list_.empty() )
|
||||
{
|
||||
result = list_.front();
|
||||
ret = true;
|
||||
}
|
||||
mutex_.unlock();
|
||||
return ret;
|
||||
}
|
||||
|
||||
// Saves time by poping in the same lock that we get front. Only one lock.
|
||||
bool front_and_pop( T& result )
|
||||
{
|
||||
bool ret = false;
|
||||
mutex_.lock();
|
||||
if( !list_.empty() )
|
||||
{
|
||||
result = list_.front();
|
||||
list_.pop_front();
|
||||
ret = true;
|
||||
}
|
||||
mutex_.unlock();
|
||||
return ret;
|
||||
}
|
||||
|
||||
void clear()
|
||||
{
|
||||
mutex_.lock();
|
||||
list_.clear();
|
||||
mutex_.unlock();
|
||||
}
|
||||
|
||||
private:
|
||||
std::mutex mutex_;
|
||||
std::list< T > list_;
|
||||
};
|
||||
Reference in New Issue
Block a user