1 #ifndef CRC32_P_H_ 2 #define CRC32_P_H_ 3 4 #define GF2_DIM 32 /* dimension of GF(2) vectors (length of CRC) */ 5 6 gf2_matrix_times(const uint32_t * mat,uint32_t vec)7static inline uint32_t gf2_matrix_times(const uint32_t *mat, uint32_t vec) { 8 uint32_t sum = 0; 9 while (vec) { 10 if (vec & 1) 11 sum ^= *mat; 12 vec >>= 1; 13 mat++; 14 } 15 return sum; 16 } 17 18 19 #endif /* CRC32_P_H_ */ 20