src/usr.bin/ssh/kexdhs.c - diff

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Diff for /src/usr.bin/ssh/Attic/kexdhs.c between version 1.3 and 1.3.2.2

version 1.3, 2005/11/04 05:15:59

version 1.3.2.2, 2006/11/08 00:17:14

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/* $OpenBSD$ */

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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "includes.h"

RCSID("$OpenBSD$");

#include <sys/types.h>

#include <string.h>

#include <signal.h>

#include "xmalloc.h"

#include "buffer.h"

#include "key.h"

#include "cipher.h"

#include "kex.h"

#include "log.h"

#include "packet.h"

#include "dh.h"

#include "ssh2.h"

#ifdef GSSAPI

#include "ssh-gss.h"

#endif

#include "monitor_wrap.h"

void

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DH *dh;

Key *server_host_key;

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 */

switch (kex->kex_type) {

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klen = DH_size(dh);

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

dump_digest("shared secret", kbuf, kout);

#endif

if ((shared_secret = BN_new()) == NULL)

fatal("kexdh_server: BN_new failed");

BN_bin2bn(kbuf, kout, shared_secret);

if (BN_bin2bn(kbuf, kout, shared_secret) == NULL)

fatal("kexdh_server: BN_bin2bn failed");

memset(kbuf, 0, klen);

xfree(kbuf);