sha512.h (2585B)
1 #ifndef SHA512_H 2 #define SHA512_H 3 #include <string> 4 5 class SHA512 6 { 7 protected: 8 typedef unsigned char uint8; 9 typedef unsigned int uint32; 10 typedef unsigned long long uint64; 11 12 const static uint64 sha512_k[]; 13 static const unsigned int SHA384_512_BLOCK_SIZE = (1024/8); 14 15 public: 16 void init(); 17 void update(const unsigned char *message, unsigned int len); 18 void final(unsigned char *digest); 19 static const unsigned int DIGEST_SIZE = ( 512 / 8); 20 21 protected: 22 void transform(const unsigned char *message, unsigned int block_nb); 23 unsigned int m_tot_len; 24 unsigned int m_len; 25 unsigned char m_block[2 * SHA384_512_BLOCK_SIZE]; 26 uint64 m_h[8]; 27 }; 28 29 30 std::string sha512(std::string input); 31 32 #define SHA2_SHFR(x, n) (x >> n) 33 #define SHA2_ROTR(x, n) ((x >> n) | (x << ((sizeof(x) << 3) - n))) 34 #define SHA2_ROTL(x, n) ((x << n) | (x >> ((sizeof(x) << 3) - n))) 35 #define SHA2_CH(x, y, z) ((x & y) ^ (~x & z)) 36 #define SHA2_MAJ(x, y, z) ((x & y) ^ (x & z) ^ (y & z)) 37 #define SHA512_F1(x) (SHA2_ROTR(x, 28) ^ SHA2_ROTR(x, 34) ^ SHA2_ROTR(x, 39)) 38 #define SHA512_F2(x) (SHA2_ROTR(x, 14) ^ SHA2_ROTR(x, 18) ^ SHA2_ROTR(x, 41)) 39 #define SHA512_F3(x) (SHA2_ROTR(x, 1) ^ SHA2_ROTR(x, 8) ^ SHA2_SHFR(x, 7)) 40 #define SHA512_F4(x) (SHA2_ROTR(x, 19) ^ SHA2_ROTR(x, 61) ^ SHA2_SHFR(x, 6)) 41 #define SHA2_UNPACK32(x, str) \ 42 { \ 43 *((str) + 3) = (uint8) ((x) ); \ 44 *((str) + 2) = (uint8) ((x) >> 8); \ 45 *((str) + 1) = (uint8) ((x) >> 16); \ 46 *((str) + 0) = (uint8) ((x) >> 24); \ 47 } 48 #define SHA2_UNPACK64(x, str) \ 49 { \ 50 *((str) + 7) = (uint8) ((x) ); \ 51 *((str) + 6) = (uint8) ((x) >> 8); \ 52 *((str) + 5) = (uint8) ((x) >> 16); \ 53 *((str) + 4) = (uint8) ((x) >> 24); \ 54 *((str) + 3) = (uint8) ((x) >> 32); \ 55 *((str) + 2) = (uint8) ((x) >> 40); \ 56 *((str) + 1) = (uint8) ((x) >> 48); \ 57 *((str) + 0) = (uint8) ((x) >> 56); \ 58 } 59 #define SHA2_PACK64(str, x) \ 60 { \ 61 *(x) = ((uint64) *((str) + 7) ) \ 62 | ((uint64) *((str) + 6) << 8) \ 63 | ((uint64) *((str) + 5) << 16) \ 64 | ((uint64) *((str) + 4) << 24) \ 65 | ((uint64) *((str) + 3) << 32) \ 66 | ((uint64) *((str) + 2) << 40) \ 67 | ((uint64) *((str) + 1) << 48) \ 68 | ((uint64) *((str) + 0) << 56); \ 69 } 70 71 #endif