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Fixed rsa pad

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vvaltman 2014-09-09 20:50:07 +04:00
parent 55ce5bac99
commit 8f84df8789
1 changed files with 6 additions and 1 deletions
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7
mtproto-client.c
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@ -617,7 +617,12 @@ static int process_dh_answer (struct connection *c, char *packet, int len, int t
l = BN_num_bytes (&auth_key_num);
assert (l >= 250 && l <= 256);
assert (BN_bn2bin (&auth_key_num, (unsigned char *)(temp_key ? D->temp_auth_key : D->auth_key)));
memset (temp_key ? D->temp_auth_key + l : D->auth_key + l, 0, 256 - l);
if (l < 256) {
char *key = temp_key ? D->temp_auth_key : D->auth_key;
memmove (key + 256 - l, key, l);
memset (key, 0, 256 - l);
}
BN_free (dh_power);
BN_free (&auth_key_num);
BN_free (&dh_g);