Home | History | Annotate | Download | only in dist

Lines Matching refs:ahc

909 static void ip_short(uhash_ctx_t ahc, UINT8 *nh_res, u_char *res)
914     t  = ip_aux(0,ahc->ip_keys, nhp[0]);
915     STORE_UINT32_BIG((UINT32 *)res+0, ip_reduce_p36(t) ^ ahc->ip_trans[0]);
917     t  = ip_aux(0,ahc->ip_keys+4, nhp[1]);
918     STORE_UINT32_BIG((UINT32 *)res+1, ip_reduce_p36(t) ^ ahc->ip_trans[1]);
921     t  = ip_aux(0,ahc->ip_keys+8, nhp[2]);
922     STORE_UINT32_BIG((UINT32 *)res+2, ip_reduce_p36(t) ^ ahc->ip_trans[2]);
925     t  = ip_aux(0,ahc->ip_keys+12, nhp[3]);
926     STORE_UINT32_BIG((UINT32 *)res+3, ip_reduce_p36(t) ^ ahc->ip_trans[3]);
934 static void ip_long(uhash_ctx_t ahc, u_char *res)
941         if (ahc->poly_accum[i] >= p64)
942             ahc->poly_accum[i] -= p64;
943         t  = ip_aux(0,ahc->ip_keys+(i*4), ahc->poly_accum[i]);
945                          ip_reduce_p36(t) ^ ahc->ip_trans[i]);
979 static void uhash_init(uhash_ctx_t ahc, aes_int_key prf_key)
985     memset(ahc, 0, sizeof(uhash_ctx));
988     nh_init(&ahc->hash, prf_key);
997         memcpy(ahc->poly_key_8+i, buf+24*i, 8);
998         endian_convert_if_le(ahc->poly_key_8+i, 8, 8);
1000         ahc->poly_key_8[i] &= ((UINT64)0x01ffffffu << 32) + 0x01ffffffu;
1001         ahc->poly_accum[i] = 1;  /* Our polyhash prepends a non-zero word */
1007           memcpy(ahc->ip_keys+4*i, buf+(8*i+4)*sizeof(UINT64),
1009     endian_convert_if_le(ahc->ip_keys, sizeof(UINT64),
1010                                                   sizeof(ahc->ip_keys));
1012         ahc->ip_keys[i] %= p36;  /* Bring into Z_p36 */
1016     kdf(ahc->ip_trans, prf_key, 4, STREAMS * sizeof(UINT32));
1017     endian_convert_if_le(ahc->ip_trans, sizeof(UINT32),
1146 static int uhash(uhash_ctx_t ahc, u_char *msg, long len, u_char *res)
1164         nh(&ahc->hash, (UINT8 *)msg, nh_len, len, nh_result);
1165         ip_short(ahc,nh_result, res);
1171             nh(&ahc->hash, (UINT8 *)msg, L1_KEY_LEN, L1_KEY_LEN, nh_result);
1172             poly_hash(ahc,(UINT32 *)nh_result);
1180             nh(&ahc->hash, (UINT8 *)msg, nh_len, len, nh_result);
1181             poly_hash(ahc,(UINT32 *)nh_result);
1184         ip_long(ahc, res);
1187     uhash_reset(ahc);