diff options
Diffstat (limited to 'mpaux.c')
| -rw-r--r-- | mpaux.c | 12 |
1 files changed, 6 insertions, 6 deletions
@@ -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); |