fumiama/simple-dict
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fix

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fumiama
2021-12-12 20:42:27 +08:00
parent 8e9cb10297
commit 4a0ae560c0
4 changed files with 111 additions and 63 deletions
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13
crypto.c
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@@ -3,8 +3,6 @@
#include <time.h>
#include "crypto.h"
//#define DEBUG
// TEA encoding sumtable
static const uint32_t sumtable[0x10] = {
0x9e3579b9,
@@ -74,7 +72,11 @@ char* raw_decrypt(const char* buf, off_t* len, int index, const char pwd[64]) {
((uint8_t*)tea)[15] = seqs[index];
TEADAT* tout = tea_decrypt_native_endian(tea, sumtable, &tin);
if(!tout) return NULL;
else seqs[index]++;
else if(tout->len <= 0) {
free(tout->ptr);
free(tout);
return NULL;
} else seqs[index]++;
*len = tout->len;
char* decbuf = (char*)malloc(*len);
@@ -149,6 +151,11 @@ int cmdpacket_decrypt(CMDPACKET* p, int index, const char pwd[64]) {
TEADAT* tout = tea_decrypt_native_endian(tea, sumtable, &tin);
if(!tout) return 0;
if(tout->len <= 0) {
free(tout->ptr);
free(tout);
return 0;
}
uint8_t* datamd5 = md5(tout->data, tout->len);
#ifdef DEBUG