*/
#include "includes.h"
-RCSID("$OpenBSD: dh.c,v 1.17 2001/06/23 15:12:18 itojun Exp $");
+RCSID("$OpenBSD: dh.c,v 1.22 2002/06/27 08:49:44 markus Exp $");
#include "xmalloc.h"
/* Ignore leading whitespace */
if (*arg == '\0')
arg = strdelim(&cp);
- if (!*arg || *arg == '#')
+ if (!arg || !*arg || *arg == '#')
return 0;
/* time */
if (cp != NULL || *prime == '\0')
goto fail;
- dhg->g = BN_new();
- dhg->p = BN_new();
+ if ((dhg->g = BN_new()) == NULL)
+ fatal("parse_prime: BN_new failed");
+ if ((dhg->p = BN_new()) == NULL)
+ fatal("parse_prime: BN_new failed");
if (BN_hex2bn(&dhg->g, gen) == 0)
goto failclean;
return (1);
failclean:
- BN_free(dhg->g);
- BN_free(dhg->p);
+ BN_clear_free(dhg->g);
+ BN_clear_free(dhg->p);
fail:
error("Bad prime description in line %d", linenum);
return (0);
linenum++;
if (!parse_prime(linenum, line, &dhg))
continue;
- BN_free(dhg.g);
- BN_free(dhg.p);
+ BN_clear_free(dhg.g);
+ BN_clear_free(dhg.p);
if (dhg.size > max || dhg.size < min)
continue;
if ((dhg.size > max || dhg.size < min) ||
dhg.size != best ||
linenum++ != which) {
- BN_free(dhg.g);
- BN_free(dhg.p);
+ BN_clear_free(dhg.g);
+ BN_clear_free(dhg.p);
continue;
}
break;
BN_num_bits(dh->p), 2*need);
do {
if (dh->priv_key != NULL)
- BN_free(dh->priv_key);
- dh->priv_key = BN_new();
- if (dh->priv_key == NULL)
+ BN_clear_free(dh->priv_key);
+ if ((dh->priv_key = BN_new()) == NULL)
fatal("dh_gen_key: BN_new failed");
/* generate a 2*need bits random private exponent */
if (!BN_rand(dh->priv_key, 2*need, 0, 0))
{
DH *dh;
- dh = DH_new();
- if (dh == NULL)
- fatal("DH_new");
+ if ((dh = DH_new()) == NULL)
+ fatal("dh_new_group_asc: DH_new");
if (BN_hex2bn(&dh->p, modulus) == 0)
fatal("BN_hex2bn p");
{
DH *dh;
- dh = DH_new();
- if (dh == NULL)
- fatal("DH_new");
+ if ((dh = DH_new()) == NULL)
+ fatal("dh_new_group: DH_new");
dh->p = modulus;
dh->g = gen;