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- markus@cvs.openbsd.org 2006/10/31 16:33:12 

[kexdhc.c kexdhs.c kexgexc.c kexgexs.c]
     check DH_compute_key() for -1 even if it should not happen because of
     earlier calls to dh_pub_is_valid(); report krahmer at suse.de; ok djm
This commit is contained in:
Damien Miller 2006-11-05 05:32:02 +11:00
parent 3975ee2c3c
commit 570c2ab1b6
5 changed files with 25 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
ChangeLog
View File

@ -3,6 +3,10 @@
- otto@cvs.openbsd.org 2006/10/28 18:08:10 - otto@cvs.openbsd.org 2006/10/28 18:08:10
[ssh.1] [ssh.1]
correct/expand example of usage of -w; ok jmc@ stevesk@ correct/expand example of usage of -w; ok jmc@ stevesk@
- markus@cvs.openbsd.org 2006/10/31 16:33:12
[kexdhc.c kexdhs.c kexgexc.c kexgexs.c]
check DH_compute_key() for -1 even if it should not happen because of
earlier calls to dh_pub_is_valid(); report krahmer at suse.de; ok djm
20061101 20061101
- (dtucker) [openbsd-compat/port-solaris.c] Bug #1255: Make only hwerr - (dtucker) [openbsd-compat/port-solaris.c] Bug #1255: Make only hwerr
@ -2584,4 +2588,4 @@
OpenServer 6 and add osr5bigcrypt support so when someone migrates OpenServer 6 and add osr5bigcrypt support so when someone migrates
passwords between UnixWare and OpenServer they will still work. OK dtucker@ passwords between UnixWare and OpenServer they will still work. OK dtucker@
$Id: ChangeLog,v 1.4582 2006/11/04 18:31:33 djm Exp $ $Id: ChangeLog,v 1.4583 2006/11/04 18:32:02 djm Exp $

8
kexdhc.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: kexdhc.c,v 1.9 2006/08/03 03:34:42 deraadt Exp $ */ /* $OpenBSD: kexdhc.c,v 1.10 2006/10/31 16:33:12 markus Exp $ */
/* /*
* Copyright (c) 2001 Markus Friedl. All rights reserved. * Copyright (c) 2001 Markus Friedl. All rights reserved.
* *
@ -50,7 +50,8 @@ kexdh_client(Kex *kex)
Key *server_host_key; Key *server_host_key;
u_char *server_host_key_blob = NULL, *signature = NULL; u_char *server_host_key_blob = NULL, *signature = NULL;
u_char *kbuf, *hash; u_char *kbuf, *hash;
u_int klen, kout, slen, sbloblen, hashlen; u_int klen, slen, sbloblen, hashlen;
int kout;
/* generate and send 'e', client DH public key */ /* generate and send 'e', client DH public key */
switch (kex->kex_type) { switch (kex->kex_type) {
@ -112,7 +113,8 @@ kexdh_client(Kex *kex)
klen = DH_size(dh); klen = DH_size(dh);
kbuf = xmalloc(klen); kbuf = xmalloc(klen);
kout = DH_compute_key(kbuf, dh_server_pub, dh); if ((kout = DH_compute_key(kbuf, dh_server_pub, dh)) < 0)
fatal("DH_compute_key: failed");
#ifdef DEBUG_KEXDH #ifdef DEBUG_KEXDH
dump_digest("shared secret", kbuf, kout); dump_digest("shared secret", kbuf, kout);
#endif #endif

9
kexdhs.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: kexdhs.c,v 1.7 2006/08/03 03:34:42 deraadt Exp $ */ /* $OpenBSD: kexdhs.c,v 1.8 2006/10/31 16:33:12 markus Exp $ */
/* /*
* Copyright (c) 2001 Markus Friedl. All rights reserved. * Copyright (c) 2001 Markus Friedl. All rights reserved.
* *
@ -52,8 +52,8 @@ kexdh_server(Kex *kex)
DH *dh; DH *dh;
Key *server_host_key; Key *server_host_key;
u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL; u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL;
u_int sbloblen, klen, kout, hashlen; u_int sbloblen, klen, hashlen, slen;
u_int slen; int kout;
/* generate server DH public key */ /* generate server DH public key */
switch (kex->kex_type) { switch (kex->kex_type) {
@ -101,7 +101,8 @@ kexdh_server(Kex *kex)
klen = DH_size(dh); klen = DH_size(dh);
kbuf = xmalloc(klen); kbuf = xmalloc(klen);
kout = DH_compute_key(kbuf, dh_client_pub, dh); if ((kout = DH_compute_key(kbuf, dh_client_pub, dh)) < 0)
fatal("DH_compute_key: failed");
#ifdef DEBUG_KEXDH #ifdef DEBUG_KEXDH
dump_digest("shared secret", kbuf, kout); dump_digest("shared secret", kbuf, kout);
#endif #endif

8
kexgexc.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: kexgexc.c,v 1.9 2006/08/03 03:34:42 deraadt Exp $ */ /* $OpenBSD: kexgexc.c,v 1.10 2006/10/31 16:33:12 markus Exp $ */
/* /*
* Copyright (c) 2000 Niels Provos. All rights reserved. * Copyright (c) 2000 Niels Provos. All rights reserved.
* Copyright (c) 2001 Markus Friedl. All rights reserved. * Copyright (c) 2001 Markus Friedl. All rights reserved.
@ -51,7 +51,8 @@ kexgex_client(Kex *kex)
BIGNUM *p = NULL, *g = NULL; BIGNUM *p = NULL, *g = NULL;
Key *server_host_key; Key *server_host_key;
u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL; u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL;
u_int klen, kout, slen, sbloblen, hashlen; u_int klen, slen, sbloblen, hashlen;
int kout;
int min, max, nbits; int min, max, nbits;
DH *dh; DH *dh;
@ -150,7 +151,8 @@ kexgex_client(Kex *kex)
klen = DH_size(dh); klen = DH_size(dh);
kbuf = xmalloc(klen); kbuf = xmalloc(klen);
kout = DH_compute_key(kbuf, dh_server_pub, dh); if ((kout = DH_compute_key(kbuf, dh_server_pub, dh)) < 0)
fatal("DH_compute_key: failed");
#ifdef DEBUG_KEXDH #ifdef DEBUG_KEXDH
dump_digest("shared secret", kbuf, kout); dump_digest("shared secret", kbuf, kout);
#endif #endif

9
kexgexs.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: kexgexs.c,v 1.8 2006/08/03 03:34:42 deraadt Exp $ */ /* $OpenBSD: kexgexs.c,v 1.9 2006/10/31 16:33:12 markus Exp $ */
/* /*
* Copyright (c) 2000 Niels Provos. All rights reserved. * Copyright (c) 2000 Niels Provos. All rights reserved.
* Copyright (c) 2001 Markus Friedl. All rights reserved. * Copyright (c) 2001 Markus Friedl. All rights reserved.
@ -55,8 +55,8 @@ kexgex_server(Kex *kex)
Key *server_host_key; Key *server_host_key;
DH *dh; DH *dh;
u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL; u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL;
u_int sbloblen, klen, kout, slen, hashlen; u_int sbloblen, klen, slen, hashlen;
int min = -1, max = -1, nbits = -1, type; int min = -1, max = -1, nbits = -1, type, kout;
if (kex->load_host_key == NULL) if (kex->load_host_key == NULL)
fatal("Cannot load hostkey"); fatal("Cannot load hostkey");
@ -134,7 +134,8 @@ kexgex_server(Kex *kex)
klen = DH_size(dh); klen = DH_size(dh);
kbuf = xmalloc(klen); kbuf = xmalloc(klen);
kout = DH_compute_key(kbuf, dh_client_pub, dh); if ((kout = DH_compute_key(kbuf, dh_client_pub, dh)) < 0)
fatal("DH_compute_key: failed");
#ifdef DEBUG_KEXDH #ifdef DEBUG_KEXDH
dump_digest("shared secret", kbuf, kout); dump_digest("shared secret", kbuf, kout);
#endif #endif