1 files changed, 6 insertions, 6 deletions

diff --git a/mpaux.c b/mpaux.c
index 7bc7c13b8..24e9ce138 100644
--- a/mpaux.c
+++ b/mpaux.c
@@ -15,7 +15,7 @@
 */
 
 #include "includes.h"
-RCSID("$Id: mpaux.c,v 1.7 1999/11/24 13:26:22 damien Exp $");
+RCSID("$Id: mpaux.c,v 1.8 1999/12/13 23:47:16 damien Exp $");
 
 #include "getput.h"
 #include "xmalloc.h"
@@ -35,17 +35,17 @@ compute_session_id(unsigned char session_id[16],
                    BIGNUM* host_key_n,
                    BIGNUM* session_key_n)
 {
-        unsigned int host_key_bits = BN_num_bits(host_key_n);
-        unsigned int session_key_bits = BN_num_bits(session_key_n);
-        unsigned int bytes = (host_key_bits + 7) / 8 + (session_key_bits + 7) / 8 + 8;
+        unsigned int host_key_bytes = BN_num_bytes(host_key_n);
+        unsigned int session_key_bytes = BN_num_bytes(session_key_n);
+        unsigned int bytes = host_key_bytes + session_key_bytes;
         unsigned char *buf = xmalloc(bytes);
         MD5_CTX md;
 
         BN_bn2bin(host_key_n, buf);
-        BN_bn2bin(session_key_n, buf + (host_key_bits + 7) / 8);
-        memcpy(buf + (host_key_bits + 7) / 8 + (session_key_bits + 7) / 8, cookie, 8);
+        BN_bn2bin(session_key_n, buf + host_key_bytes);
         MD5_Init(&md);
         MD5_Update(&md, buf, bytes);
+        MD5_Update(&md, cookie, 8);
         MD5_Final(session_id, &md);
         memset(buf, 0, bytes);
         xfree(buf);