fumiama/simple-dict
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add mutex

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源文雨
2022-04-04 18:03:18 +08:00
parent fdeb306c9b
commit a1af0a7e8e
6 changed files with 152 additions and 149 deletions
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14
crypto.c
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@@ -108,14 +108,12 @@ void cmdpacket_encrypt(CMDPACKET* p, int index, const char pwd[64]) {
TEADAT* tout = tea_encrypt_native_endian(tea, sumtable, &tin);
uint8_t* datamd5 = md5(p->data, p->datalen);
md5(p->data, p->datalen, p->md5);
#ifdef DEBUG
printf("encrypt md5: ");
for(int i = 0; i < 16; i++) printf("%02x", datamd5[i]);
for(int i = 0; i < 16; i++) printf("%02x", p->md5[i]);
putchar('\n');
#endif
memcpy(p->md5, datamd5, 16);
free(datamd5);
p->datalen = tout->len;
memcpy(p->data, tout->data, p->datalen);
@@ -156,8 +154,8 @@ int cmdpacket_decrypt(CMDPACKET* p, int index, const char pwd[64]) {
free(tout);
return 0;
}
uint8_t* datamd5 = md5(tout->data, tout->len);
uint8_t datamd5[16];
md5(tout->data, tout->len, datamd5);
#ifdef DEBUG
printf("decrypt md5: ");
for(int i = 0; i < 16; i++) printf("%02x", datamd5[i]);
@@ -166,16 +164,14 @@ int cmdpacket_decrypt(CMDPACKET* p, int index, const char pwd[64]) {
for(int i = 0; i < tout->len; i++) printf("%02x", tout->data[i]);
putchar('\n');
#endif
if(is_md5_equal(datamd5, p->md5)) {
if(is_md5_equal((uint8_t*)datamd5, p->md5)) {
seqs[index]++;
p->datalen = tout->len;
memcpy(p->data, tout->data, p->datalen);
free(datamd5);
free(tout->ptr);
free(tout);
return 1;
}
free(datamd5);
free(tout->ptr);
free(tout);
return 0;