220 lines
6.7 KiB
C++
220 lines
6.7 KiB
C++
// Includes and Namespaces
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#include "CoreKMS.h"
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#include "Crypto.h"
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#include "Hash.h"
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#pragma region Tables
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// Precomputed Key Schedule
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static const BYTE AesKeyV4[] = {
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0x05, 0x3D, 0x83, 0x07, 0xF9, 0xE5, 0xF0, 0x88, 0xEB, 0x5E, 0xA6, 0x68, 0x6C, 0xF0, 0x37, 0xC7,
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0xE4, 0xEF, 0xD2, 0xD6, 0xDB, 0x88, 0x75, 0x6E, 0x22, 0x6D, 0x85, 0xE6, 0xC9, 0x33, 0x23, 0x8E,
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0xA5, 0xC3, 0x14, 0x49, 0x41, 0x2C, 0xC6, 0x9F, 0xA8, 0x3C, 0xAE, 0xED, 0x8A, 0x51, 0x2B, 0x0B,
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0x43, 0x62, 0x08, 0x85, 0xE6, 0xA1, 0x1C, 0xCC, 0xA7, 0x8D, 0xDA, 0x53, 0xF1, 0x6B, 0x43, 0xB1,
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0x7B, 0x3A, 0x68, 0xBA, 0x38, 0x58, 0x60, 0x3F, 0xDE, 0xF9, 0x7C, 0xF3, 0x79, 0x74, 0xA6, 0xA0,
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0x6B, 0x4F, 0xA3, 0x07, 0x10, 0x75, 0xCB, 0xBD, 0x28, 0x2D, 0xAB, 0x82, 0xF6, 0xD4, 0xD7, 0x71,
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0x8F, 0xA0, 0x71, 0xD1, 0x9B, 0xEC, 0x9D, 0x74, 0x8B, 0x99, 0x56, 0xC9, 0xA3, 0xB4, 0xFD, 0x4B,
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0x55, 0x60, 0x2A, 0x3A, 0xDA, 0xC0, 0x5B, 0xEB, 0x01, 0xD5, 0x74, 0x23, 0x8A, 0x4C, 0x22, 0xEA,
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0x29, 0xF8, 0xDF, 0xA1, 0x7C, 0x98, 0xF5, 0x9B, 0xA6, 0x58, 0xAE, 0x70, 0x2B, 0x31, 0x25, 0x07,
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0xA1, 0x7D, 0x07, 0xED, 0x88, 0x85, 0xD8, 0x4C, 0xF4, 0x1D, 0x2D, 0xD7, 0x52, 0x45, 0x83, 0xA7,
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0xC5, 0xDD, 0x79, 0x07, 0x64, 0xA0, 0x7E, 0xEA, 0xEC, 0x25, 0xA6, 0xA6, 0x18, 0x38, 0x8B, 0x71,
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0x4A, 0x7D, 0x08, 0xD6, 0x21, 0xED, 0x8F, 0xD1, 0x45, 0x4D, 0xF1, 0x3B, 0xA9, 0x68, 0x57, 0x9D
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};
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// Rijndael SBox
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static const BYTE SubTable[256] =
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{
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0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
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0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
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0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
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0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
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0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
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0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
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0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
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0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
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0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
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0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
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0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
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0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
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0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
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0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
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0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
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0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
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};
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#pragma endregion
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#pragma region Structs
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HMAC_KEYBLOB Hmac_keyblob = {
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// Type, Version, Algorithm
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{PLAINTEXTKEYBLOB, CUR_BLOB_VERSION, NULL, CALG_RC2},
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// Key length
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16,
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// Key
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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#pragma endregion
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#pragma region Helpers
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// Rijndael AddRoundKey
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void HashAddRoundKey(PBYTE const hash, DWORD round)
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{
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for (DWORD i = 0; i < 16; i++)
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hash[i] ^= AesKeyV4[(round << 4) + i];
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}
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// Xor Buffer
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void HashXorBuffer(PBYTE const source, PBYTE const destination, DWORD size)
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{
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for (DWORD i = 0; i < size; i++)
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destination[i] ^= source[i];
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}
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// Rijndael SBox
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void HashSubBytes(PBYTE const pBytes)
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{
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for(DWORD i = 0; i < 16; i++)
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pBytes[i] = SubTable[pBytes[i]];
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}
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// Rijndael ShiftRows
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void HashShiftRows(PBYTE const pBytes)
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{
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BYTE bIn[16];
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memcpy(bIn, pBytes, 16);
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for (DWORD i = 0; i < 16; i++)
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pBytes[i] = bIn[(i + ((i & 3) << 2)) & 0xf];
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}
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// Rijndael MixColumns
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void HashMixColumns(PBYTE const pBytes)
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{
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BYTE column[5];
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for (DWORD i = 0; i < 16; i += 4)
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{
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*(PDWORD) column = *(PDWORD) &pBytes[i];
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column[4] = column[0] ^ column[1] ^ column[2] ^ column[3];
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pBytes[i] = MULx2(column[0] ^ column[1]) ^ column[4];
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pBytes[i | 1] = MULx2(column[1] ^ column[2]) ^ column[4];
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pBytes[i | 2] = MULx2(column[2] ^ column[3]) ^ column[4];
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pBytes[i | 3] = MULx2(column[3] ^ column[0]) ^ column[4];
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*(PDWORD) &pBytes[i] ^= *(PDWORD) column;
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}
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}
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// Rijndael Block
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void Hash(PBYTE const hash)
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{
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HashAddRoundKey(hash, 0);
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for (DWORD i = 1; i < 11; i++){
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HashSubBytes(hash);
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HashShiftRows(hash);
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HashMixColumns(hash);
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HashAddRoundKey(hash, i);
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}
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HashSubBytes(hash);
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HashShiftRows(hash);
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HashAddRoundKey(hash, 11);
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}
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#pragma endregion
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// Get Hash
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void GetHash(DWORD MessageSize, PBYTE const Message, PBYTE const hash)
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{
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DWORD i, j, k;
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// MessageSize / Blocksize
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j = MessageSize >> 4;
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// Remainding Bytes
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k = MessageSize & 0xf;
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// Hash
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for (i = 0; i < j; i++){
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HashXorBuffer(&Message[i << 4], hash, 16);
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Hash(hash);
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}
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// Bit Padding
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hash[k] ^= 0x80;
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HashXorBuffer(&Message[i << 4], hash, k);
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Hash(hash);
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}
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// Generate SHA-256 Hash with Win32 Crypt API Provider
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void GetHashSHA256(DWORD dataSize, PBYTE const data, PBYTE const Hash)
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{
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HCRYPTPROV hProv = NULL;
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HCRYPTHASH hHash = NULL;
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DWORD HashSize = HASH_SIZE_SHA256;
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if(!CryptAcquireContextW(&hProv, NULL, NULL, PROV_RSA_AES, CRYPT_VERIFYCONTEXT))
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return;
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CryptCreateHash(hProv, CALG_SHA_256, NULL, NULL, &hHash);
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CryptHashData(hHash, data, dataSize, NULL);
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CryptGetHashParam(hHash, HP_HASHVAL, Hash, &HashSize, NULL);
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if(hHash)
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CryptDestroyHash(hHash);
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if(hProv)
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CryptReleaseContext(hProv, NULL);
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}
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// Generate time based HMAC key
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void GetHmacKey(FILETIME* timestamp, PBYTE hmackey)
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{
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BYTE Sha256Hash[32];
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QWORD t, c1, c2, c3, seed;
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t = *(PQWORD)timestamp;
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c1 = 0x00000022816889BD;
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c2 = 0x000000208CBAB5ED;
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c3 = 0x3156CD5AC628477A;
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seed = ((t / c1) * c2) + c3;
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GetHashSHA256(8, (PBYTE)&seed, Sha256Hash);
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memcpy(hmackey, Sha256Hash+16, 16);
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}
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// Generate HMAC-SHA-256
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void GetHmacSHA256(DWORD dwDataLen, PBYTE const pbData, PBYTE const pbHash)
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{
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HCRYPTPROV hProv = NULL;
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HCRYPTKEY hKey = NULL;
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HCRYPTHASH hHmacHash = NULL;
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HMAC_INFO HmacInfo = {0};
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DWORD dwHmacSize = 32;
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HmacInfo.HashAlgid = CALG_SHA_256;
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if(!CryptAcquireContextW(&hProv, NULL, NULL, PROV_RSA_AES, CRYPT_VERIFYCONTEXT))
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return;
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CryptImportKey(hProv, (PBYTE)&Hmac_keyblob, sizeof(HMAC_KEYBLOB), NULL, NULL, &hKey);
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CryptCreateHash(hProv, CALG_HMAC, hKey, NULL, &hHmacHash);
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CryptSetHashParam(hHmacHash, HP_HMAC_INFO, (PBYTE)&HmacInfo, NULL);
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CryptHashData(hHmacHash, pbData, dwDataLen, NULL);
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CryptGetHashParam(hHmacHash, HP_HASHVAL, pbHash, &dwHmacSize, NULL);
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if(hKey)
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CryptDestroyKey(hKey);
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if(hHmacHash)
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CryptDestroyHash(hHmacHash);
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if(hProv)
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CryptReleaseContext(hProv, NULL);
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} |