diff options
| author |   markus <markus@openbsd.org> | 2002-03-18 17:23:31 +0000 |
|---|---|---|
| committer | markus <markus@openbsd.org> | 2002-03-18 17:23:31 +0000 |
| commit | 6b2fb6740b4463c3a67085cb77e9a0bf09390e1f (patch) | |
| tree | 4b615b4462c6f6aca3576fb5fdd9a703a6d541e4 /usr.bin/ssh/key.c | |
| parent | export/import cipher state, iv and ssh2 seqnr; needed by ssh-privsep (diff) | |
| download | wireguard-openbsd-6b2fb6740b4463c3a67085cb77e9a0bf09390e1f.tar.xz wireguard-openbsd-6b2fb6740b4463c3a67085cb77e9a0bf09390e1f.zip | |
add key_demote() for ssh-privsep
Diffstat (limited to 'usr.bin/ssh/key.c')
| -rw-r--r-- | usr.bin/ssh/key.c | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/usr.bin/ssh/key.c b/usr.bin/ssh/key.c index cda91571aff..51902ea257f 100644 --- a/usr.bin/ssh/key.c +++ b/usr.bin/ssh/key.c @@ -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); +} |