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- OpenBSD CVS Sync 

- provos@cvs.openbsd.org 2001/03/28 22:04:57
     [dh.c]
     more sanity checking on primes file
This commit is contained in:
Damien Miller 2001-03-30 10:47:43 +10:00
parent 2557bfc5d7
commit 23e526e271
2 changed files with 17 additions and 11 deletions
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5
ChangeLog
View File

@ -4,6 +4,9 @@
- provos@cvs.openbsd.org 2001/03/28 21:59:41
[kex.c kex.h sshconnect2.c sshd.c]
forgot to include min and max params in hash, okay markus@
- provos@cvs.openbsd.org 2001/03/28 22:04:57
[dh.c]
more sanity checking on primes file
20010329
- OpenBSD CVS Sync
@ -4774,4 +4777,4 @@
- Wrote replacements for strlcpy and mkdtemp
- Released 1.0pre1
$Id: ChangeLog,v 1.1036 2001/03/30 00:47:14 djm Exp $
$Id: ChangeLog,v 1.1037 2001/03/30 00:47:43 djm Exp $

23
dh.c
View File

@ -23,7 +23,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: dh.c,v 1.9 2001/03/27 17:46:49 provos Exp $");
RCSID("$OpenBSD: dh.c,v 1.10 2001/03/28 22:04:57 provos Exp $");
#include "xmalloc.h"
@ -79,18 +79,21 @@ parse_prime(int linenum, char *line, struct dhgroup *dhg)
goto fail;
dhg->g = BN_new();
if (BN_hex2bn(&dhg->g, gen) < 0) {
BN_free(dhg->g);
goto fail;
}
dhg->p = BN_new();
if (BN_hex2bn(&dhg->p, prime) < 0) {
BN_free(dhg->g);
BN_free(dhg->p);
goto fail;
}
if (BN_hex2bn(&dhg->g, gen) < 0)
goto failclean;
if (BN_hex2bn(&dhg->p, prime) < 0)
goto failclean;
if (BN_num_bits(dhg->p) != dhg->size)
goto failclean;
return (1);
failclean:
BN_free(dhg->g);
BN_free(dhg->p);
fail:
error("Bad prime description in line %d", linenum);
return (0);