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

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Diff for /src/usr.bin/ssh/packet.c between version 1.94 and 1.95

version 1.94, 2002/06/04 23:02:06

version 1.95, 2002/06/19 18:01:00

Line 60

#include "log.h"

#include "canohost.h"

#include "misc.h"

#include "ssh.h"

#ifdef PACKET_DEBUG

#define DBG(x) x

Line 118

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static u_int32_t read_seqnr = 0;

static u_int32_t send_seqnr = 0;

/* Session key for protocol v1 */

static u_char ssh1_key[SSH_SESSION_KEY_LENGTH];

static u_int ssh1_keylen;

/* roundup current message to extra_pad bytes */

static u_char extra_pad = 0;

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* key is used for both sending and reception. However, both directions are

* encrypted independently of each other.

void

packet_set_encryption_key(const u_char *key, u_int keylen,

int number)

Line 395

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fatal("packet_set_encryption_key: unknown cipher number %d", number);

if (keylen < 20)

fatal("packet_set_encryption_key: keylen too small: %d", keylen);

if (keylen > SSH_SESSION_KEY_LENGTH)

fatal("packet_set_encryption_key: keylen too big: %d", keylen);

memcpy(ssh1_key, key, keylen);

ssh1_keylen = keylen;

cipher_init(&send_context, cipher, key, keylen, NULL, 0, CIPHER_ENCRYPT);

cipher_init(&receive_context, cipher, key, keylen, NULL, 0, CIPHER_DECRYPT);

}

u_int

packet_get_encryption_key(u_char *key)

{

if (key == NULL)

return (ssh1_keylen);

memcpy(key, ssh1_key, ssh1_keylen);

return (ssh1_keylen);

}

/* Start constructing a packet to send. */