ecc_sign_hash max_iterations

This commit is contained in:
Karel Miko 2017-06-21 13:25:06 +02:00
parent cdf04b6140
commit fff832091f

View File

@ -22,7 +22,7 @@ static int _ecc_sign_hash(const unsigned char *in, unsigned long inlen,
{
ecc_key pubkey;
void *r, *s, *e, *p;
int err;
int err, max_iterations = 20;
unsigned long pbits, pbytes, i, shift_right;
unsigned char ch, buf[MAXBLOCKSIZE];
@ -71,7 +71,7 @@ static int _ecc_sign_hash(const unsigned char *in, unsigned long inlen,
}
/* make up a key and export the public copy */
for (;;) {
do {
if ((err = ecc_make_key_ex(prng, wprng, &pubkey, key->dp)) != CRYPT_OK) {
goto errnokey;
}
@ -93,6 +93,10 @@ static int _ecc_sign_hash(const unsigned char *in, unsigned long inlen,
break;
}
}
} while (--max_iterations > 0);
if (max_iterations == 0) {
goto errnokey;
}
if (sigformat == 1) {