enoch/n2n
1
0
Fork 0
mirror of https://github.com/ntop/n2n.git synced 2024-09-19 16:41:11 +02:00
Code Issues Actions Packages Projects Releases 1 Wiki Activity

added aes-ni support to pearson hashing

Browse Source
This commit is contained in:
Logan007 2020-09-06 18:42:04 +05:45
parent fac5aa7d20
commit 5ed8560503
1 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/pearson.c
View File

@ -65,12 +65,6 @@ static const uint8_t t[256] ={
*/
static uint16_t t16[65536]; // 16-bit look-up table
#define ROR64(x,r) (((x)>>(r))|((x)<<(64-(r))))
#define ROR32(x,r) (((x)>>(r))|((x)<<(32-(r))))
#if defined (__AES__) && defined (__SSSE3__) // AES-NI & SSSE3 ----------------------------
@ -184,6 +178,12 @@ uint16_t pearson_hash_16 (const uint8_t *in, size_t len) {
#else // plain C --------------------------------------------------------------------------
static uint16_t t16[65536]; // 16-bit look-up table
#define ROR64(x,r) (((x)>>(r))|((x)<<(64-(r))))
#define ROR32(x,r) (((x)>>(r))|((x)<<(32-(r))))
void pearson_hash_256 (uint8_t *out, const uint8_t *in, size_t len) {
size_t i;
@ -360,8 +360,12 @@ uint16_t pearson_hash_16 (const uint8_t *in, size_t len) {
void pearson_hash_init () {
#if defined (__AES__) && (__SSSE3__)
#else
size_t i;
for (i = 0; i < 65536; i++)
t16[i] = (t[i >> 8] << 8) + t[(uint8_t)i];
#endif
}