From 7bd2fa7ab8aef2608121dcd4bea4dae2d7308069 Mon Sep 17 00:00:00 2001 From: wangyu Date: Sat, 5 Aug 2017 17:58:41 +0800 Subject: [PATCH] changed djb2 to xor version --- encrypt.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/encrypt.cpp b/encrypt.cpp index 6c38745..a274651 100755 --- a/encrypt.cpp +++ b/encrypt.cpp @@ -57,7 +57,7 @@ unsigned int crc32h(unsigned char *message,int len) { return ; }*/ -void simple_hash(unsigned char *str,int len,unsigned char* res) //djb2+ sdbm +void simple_hash(unsigned char *str,int len,unsigned char res[8]) //djb2+ sdbm { u32_t hash = 5381; u32_t hash2 = 0; @@ -65,7 +65,8 @@ void simple_hash(unsigned char *str,int len,unsigned char* res) //djb2+ sdbm int i=0; while(c = *str++,i++!=len) { - hash = ((hash << 5) + hash) + c; /* hash * 33 + c */ + // hash = ((hash << 5) + hash) + c; /* hash * 33 + c */ + hash = ((hash << 5) + hash)^c; /* (hash * 33) ^ c */ hash2 = c + (hash2 << 6) + (hash2 << 16) - hash2; }