=================================================================== RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/Attic/kexdhs.c,v retrieving revision 1.2 retrieving revision 1.2.6.1 diff -u -r1.2 -r1.2.6.1 --- src/usr.bin/ssh/Attic/kexdhs.c 2004/06/13 12:53:24 1.2 +++ src/usr.bin/ssh/Attic/kexdhs.c 2006/02/03 03:01:56 1.2.6.1 @@ -23,7 +23,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: kexdhs.c,v 1.2 2004/06/13 12:53:24 djm Exp $"); +RCSID("$OpenBSD: kexdhs.c,v 1.2.6.1 2006/02/03 03:01:56 brad Exp $"); #include "xmalloc.h" #include "key.h" @@ -41,7 +41,7 @@ DH *dh; Key *server_host_key; u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL; - u_int sbloblen, klen, kout; + u_int sbloblen, klen, kout, hashlen; u_int slen; /* generate server DH public key */ @@ -103,7 +103,7 @@ key_to_blob(server_host_key, &server_host_key_blob, &sbloblen); /* calc H */ - hash = kex_dh_hash( + kex_dh_hash( kex->client_version_string, kex->server_version_string, buffer_ptr(&kex->peer), buffer_len(&kex->peer), @@ -111,21 +111,20 @@ server_host_key_blob, sbloblen, dh_client_pub, dh->pub_key, - shared_secret + shared_secret, + &hash, &hashlen ); BN_clear_free(dh_client_pub); /* save session id := H */ - /* XXX hashlen depends on KEX */ if (kex->session_id == NULL) { - kex->session_id_len = 20; + kex->session_id_len = hashlen; kex->session_id = xmalloc(kex->session_id_len); memcpy(kex->session_id, hash, kex->session_id_len); } /* sign H */ - /* XXX hashlen depends on KEX */ - PRIVSEP(key_sign(server_host_key, &signature, &slen, hash, 20)); + PRIVSEP(key_sign(server_host_key, &signature, &slen, hash, hashlen)); /* destroy_sensitive_data(); */ @@ -141,7 +140,7 @@ /* have keys, free DH */ DH_free(dh); - kex_derive_keys(kex, hash, shared_secret); + kex_derive_keys(kex, hash, hashlen, shared_secret); BN_clear_free(shared_secret); kex_finish(kex); }