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- markus@cvs.openbsd.org 2002/03/18 17:23:31 

[key.c key.h]
     add key_demote() for ssh-privsep
This commit is contained in:
Ben Lindstrom 2002-03-22 01:45:53 +00:00
parent f6027d3407
commit a674e8df80
3 changed files with 50 additions and 3 deletions
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5
ChangeLog
View File

@ -50,6 +50,9 @@
- markus@cvs.openbsd.org 2002/03/18 17:16:38
[packet.c packet.h]
export/import cipher state, iv and ssh2 seqnr; needed by ssh-privsep
- markus@cvs.openbsd.org 2002/03/18 17:23:31
[key.c key.h]
add key_demote() for ssh-privsep
20020317
- (tim) [configure.ac] Assume path given with --with-pid-dir=PATH is wanted,
@ -7896,4 +7899,4 @@
- Wrote replacements for strlcpy and mkdtemp
- Released 1.0pre1
$Id: ChangeLog,v 1.1939 2002/03/22 01:42:04 mouring Exp $
$Id: ChangeLog,v 1.1940 2002/03/22 01:45:53 mouring Exp $

45
key.c
View File

@ -32,7 +32,7 @@
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "includes.h"
RCSID("$OpenBSD: key.c,v 1.41 2002/02/28 15:46:33 markus Exp $");
RCSID("$OpenBSD: key.c,v 1.42 2002/03/18 17:23:31 markus Exp $");
#include <openssl/evp.h>
@ -801,3 +801,46 @@ key_verify(
break;
}
}
/* Converts a private to a public key */
Key *
key_demote(Key *k)
{
Key *pk;
pk = xmalloc(sizeof(*pk));
pk->type = k->type;
pk->flags = k->flags;
pk->dsa = NULL;
pk->rsa = NULL;
switch (k->type) {
case KEY_RSA1:
case KEY_RSA:
if ((pk->rsa = RSA_new()) == NULL)
fatal("key_demote: RSA_new failed");
if ((pk->rsa->e = BN_dup(k->rsa->e)) == NULL)
fatal("key_demote: BN_dup failed");
if ((pk->rsa->n = BN_dup(k->rsa->n)) == NULL)
fatal("key_demote: BN_dup failed");
break;
case KEY_DSA:
if ((pk->dsa = DSA_new()) == NULL)
fatal("key_demote: DSA_new failed");
if ((pk->dsa->p = BN_dup(k->dsa->p)) == NULL)
fatal("key_demote: BN_dup failed");
if ((pk->dsa->q = BN_dup(k->dsa->q)) == NULL)
fatal("key_demote: BN_dup failed");
if ((pk->dsa->g = BN_dup(k->dsa->g)) == NULL)
fatal("key_demote: BN_dup failed");
if ((pk->dsa->pub_key = BN_dup(k->dsa->pub_key)) == NULL)
fatal("key_demote: BN_dup failed");
break;
default:
fatal("key_free: bad key type %d", k->type);
break;
}
return (pk);
}

3
key.h
View File

@ -1,4 +1,4 @@
/* $OpenBSD: key.h,v 1.18 2002/02/24 19:14:59 markus Exp $ */
/* $OpenBSD: key.h,v 1.19 2002/03/18 17:23:31 markus Exp $ */
/*
* Copyright (c) 2000, 2001 Markus Friedl. All rights reserved.
@ -58,6 +58,7 @@ struct Key {
Key *key_new(int);
Key *key_new_private(int);
void key_free(Key *);
Key *key_demote(Key *);
int key_equal(Key *, Key *);
char *key_fingerprint(Key *, enum fp_type, enum fp_rep);
char *key_type(Key *);