1 /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 /* lib/krb5/krb/gen_save_subkey.c */
3 /*
4 * Copyright 2009 by the Massachusetts Institute of Technology.
5 * All Rights Reserved.
6 *
7 * Export of this software from the United States of America may
8 * require a specific license from the United States Government.
9 * It is the responsibility of any person or organization contemplating
10 * export to obtain such a license before exporting.
11 *
12 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
13 * distribute this software and its documentation for any purpose and
14 * without fee is hereby granted, provided that the above copyright
15 * notice appear in all copies and that both that copyright notice and
16 * this permission notice appear in supporting documentation, and that
17 * the name of M.I.T. not be used in advertising or publicity pertaining
18 * to distribution of the software without specific, written prior
19 * permission. Furthermore if you modify this software you must label
20 * your software as modified software and not distribute it in such a
21 * fashion that it might be confused with the original M.I.T. software.
22 * M.I.T. makes no representations about the suitability of
23 * this software for any purpose. It is provided "as is" without express
24 * or implied warranty.
25 */
26
27 #include "k5-int.h"
28 #include "int-proto.h"
29 #include "auth_con.h"
30
31 krb5_error_code
k5_generate_and_save_subkey(krb5_context context,krb5_auth_context auth_context,krb5_keyblock * keyblock,krb5_enctype enctype)32 k5_generate_and_save_subkey(krb5_context context,
33 krb5_auth_context auth_context,
34 krb5_keyblock *keyblock, krb5_enctype enctype)
35 {
36 krb5_error_code retval;
37 krb5_keyblock *kb = NULL;
38
39 retval = krb5_generate_subkey_extended(context, keyblock, enctype, &kb);
40 if (retval)
41 return retval;
42 retval = krb5_auth_con_setsendsubkey(context, auth_context, kb);
43 if (retval)
44 goto cleanup;
45 retval = krb5_auth_con_setrecvsubkey(context, auth_context, kb);
46 if (retval)
47 goto cleanup;
48
49 cleanup:
50 if (retval) {
51 (void) krb5_auth_con_setsendsubkey(context, auth_context, NULL);
52 (void) krb5_auth_con_setrecvsubkey(context, auth_context, NULL);
53 }
54 krb5_free_keyblock(context, kb);
55 return retval;
56 }
57