- markus@cvs.openbsd.org 2002/02/14 23:41:01
[authfile.c cipher.c cipher.h kex.c kex.h packet.c]
hide some more implementation details of cipher.[ch] and prepares for move
to EVP, ok deraadt@
diff --git a/kex.c b/kex.c
index 02c9780..e9f944b 100644
--- a/kex.c
+++ b/kex.c
@@ -23,7 +23,7 @@
*/
#include "includes.h"
-RCSID("$OpenBSD: kex.c,v 1.44 2002/02/11 16:10:15 markus Exp $");
+RCSID("$OpenBSD: kex.c,v 1.45 2002/02/14 23:41:01 markus Exp $");
#include <openssl/crypto.h>
@@ -232,13 +232,14 @@
char *name = match_list(client, server, NULL);
if (name == NULL)
fatal("no matching cipher found: client %s server %s", client, server);
- enc->cipher = cipher_by_name(name);
- if (enc->cipher == NULL)
+ if ((enc->cipher = cipher_by_name(name)) == NULL)
fatal("matching cipher is not supported: %s", name);
enc->name = name;
enc->enabled = 0;
enc->iv = NULL;
enc->key = NULL;
+ enc->key_len = cipher_keylen(enc->cipher);
+ enc->block_size = cipher_blocksize(enc->cipher);
}
static void
choose_mac(Mac *mac, char *client, char *server)
@@ -341,10 +342,10 @@
need = 0;
for (mode = 0; mode < MODE_MAX; mode++) {
newkeys = kex->newkeys[mode];
- if (need < newkeys->enc.cipher->key_len)
- need = newkeys->enc.cipher->key_len;
- if (need < newkeys->enc.cipher->block_size)
- need = newkeys->enc.cipher->block_size;
+ if (need < newkeys->enc.key_len)
+ need = newkeys->enc.key_len;
+ if (need < newkeys->enc.block_size)
+ need = newkeys->enc.block_size;
if (need < newkeys->mac.key_len)
need = newkeys->mac.key_len;
}