change to old checksum mode

src/auth.c

@@ -61,7 +61,7 @@ static int make_keep_alive2_pkt2(uint8_t *buf, uint8_t cnt, uint8_t *flag,\
 static void gen_ka1_checksum(uint8_t *checksum, uint8_t *seed, uint8_t mode);
 static void gen_ka2_checksum(uint8_t *data, int len, uint8_t *checksum);
 
-//static int32_t drcomCRC32(char *data, int len);
+static int32_t drcomCRC32(char *data, int len);
 static void print_as_hex(uint8_t *buf, int len);
 /****local functions****/
 
@@ -325,8 +325,6 @@ static void print_as_hex(uint8_t *buf, int len)
     fflush(stdout);
 }
 
-/* unused*/
-/*
 static int32_t drcomCRC32(char *data, int len)
 {
     int ret = 0;
@@ -338,7 +336,6 @@ static int32_t drcomCRC32(char *data, int len)
     }
     return ret;
 }
-*/
 
 static int make_keep_alive1_pkt1(uint8_t *buf, uint8_t cnt)
 {
@@ -390,7 +387,8 @@ static int make_keep_alive1_pkt2(uint8_t *buf, uint8_t *seed,\
     index += 4;
     memcpy(buf+index, seed, 4);
     index += 4;
-    /*
+    /**/
+    int32_t temp_num;
     temp_num = 20000711;
     memcpy(buf+index, (char *)&temp_num, 4);
     index += 4;
@@ -403,7 +401,9 @@ static int make_keep_alive1_pkt2(uint8_t *buf, uint8_t *seed,\
     index += 4;
     memcpy(buf+index, "\x00\x00\x00\x00", 4);
     index += 4;
-    */
+    /**/
+
+    /*
     uint8_t checksum[8] = {0};
     gen_ka1_checksum(checksum, seed, check_mode);
 #ifdef DEBUG
@@ -413,6 +413,7 @@ static int make_keep_alive1_pkt2(uint8_t *buf, uint8_t *seed,\
 #endif
     memcpy(buf+index, checksum, 8);
     index += 8;
+    */
 
     memset(buf+index, 0x00, 16*4);