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

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version 1.7.2.1, 2006/10/06 03:19:32

version 1.8, 2006/03/19 18:51:18

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/* $OpenBSD$ */

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

#include <sys/types.h>

#include "includes.h"

#include <openssl/hmac.h>

#include <string.h>

#include <signal.h>

#include "xmalloc.h"

#include "getput.h"

#include "log.h"

#include "cipher.h"

#include "buffer.h"

#include "key.h"

#include "kex.h"

#include "mac.h"

#include "misc.h"

struct {

char *name;

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if (mac->mac_len > sizeof(m))

fatal("mac_compute: mac too long");

HMAC_Init(&c, mac->key, mac->key_len, mac->md);

put_u32(b, seqno);

PUT_32BIT(b, seqno);

HMAC_Update(&c, b, sizeof(b));

HMAC_Update(&c, data, datalen);

HMAC_Final(&c, m, NULL);