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- ray@cvs.openbsd.org 2007/09/27 00:15:57 

[dh.c]
     Don't return -1 on error in dh_pub_is_valid(), since it evaluates
     to true.
     Also fix a typo.
     Initial diff from Matthew Dempsky, input from djm.
     OK djm, markus.
This commit is contained in:
Damien Miller 2007-10-26 14:25:55 +10:00
parent 4c7728c651
commit 603077ab4c
2 changed files with 14 additions and 5 deletions
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9
ChangeLog
View File

@ -20,6 +20,13 @@
[ssh-agent.c]
When adding a key that already exists, update the properties
(time, confirm, comment) instead of discarding them. ok djm@ markus@
- ray@cvs.openbsd.org 2007/09/27 00:15:57
[dh.c]
Don't return -1 on error in dh_pub_is_valid(), since it evaluates
to true.
Also fix a typo.
Initial diff from Matthew Dempsky, input from djm.
OK djm, markus.
20070927
- (dtucker) [configure.ac atomicio.c] Fall back to including <sys/poll.h> if
@ -3291,4 +3298,4 @@
OpenServer 6 and add osr5bigcrypt support so when someone migrates
passwords between UnixWare and OpenServer they will still work. OK dtucker@
$Id: ChangeLog,v 1.4764 2007/10/26 04:25:31 djm Exp $
$Id: ChangeLog,v 1.4765 2007/10/26 04:25:55 djm Exp $

10
dh.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: dh.c,v 1.44 2006/11/07 13:02:07 markus Exp $ */
/* $OpenBSD: dh.c,v 1.45 2007/09/27 00:15:57 ray Exp $ */
/*
* Copyright (c) 2000 Niels Provos. All rights reserved.
*
@ -185,7 +185,7 @@ dh_pub_is_valid(DH *dh, BIGNUM *dh_pub)
BIGNUM *tmp;
if (dh_pub->neg) {
logit("invalid public DH value: negativ");
logit("invalid public DH value: negative");
return 0;
}
if (BN_cmp(dh_pub, BN_value_one()) != 1) { /* pub_exp <= 1 */
@ -193,8 +193,10 @@ dh_pub_is_valid(DH *dh, BIGNUM *dh_pub)
return 0;
}
if ((tmp = BN_new()) == NULL)
return (-1);
if ((tmp = BN_new()) == NULL) {
error("%s: BN_new failed", __func__);
return 0;
}
if (!BN_sub(tmp, dh->p, BN_value_one()) ||
BN_cmp(dh_pub, tmp) != -1) { /* pub_exp > p-2 */
BN_clear_free(tmp);