17c478bd9Sstevel@tonic-gate /*
2*159d09a2SMark Phalan * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
37c478bd9Sstevel@tonic-gate * Use is subject to license terms.
47c478bd9Sstevel@tonic-gate */
57c478bd9Sstevel@tonic-gate
67c478bd9Sstevel@tonic-gate /*
77c478bd9Sstevel@tonic-gate * Copyright (C) 1998 by the FundsXpress, INC.
87c478bd9Sstevel@tonic-gate *
97c478bd9Sstevel@tonic-gate * All rights reserved.
107c478bd9Sstevel@tonic-gate *
117c478bd9Sstevel@tonic-gate * Export of this software from the United States of America may require
127c478bd9Sstevel@tonic-gate * a specific license from the United States Government. It is the
137c478bd9Sstevel@tonic-gate * responsibility of any person or organization contemplating export to
147c478bd9Sstevel@tonic-gate * obtain such a license before exporting.
157c478bd9Sstevel@tonic-gate *
167c478bd9Sstevel@tonic-gate * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
177c478bd9Sstevel@tonic-gate * distribute this software and its documentation for any purpose and
187c478bd9Sstevel@tonic-gate * without fee is hereby granted, provided that the above copyright
197c478bd9Sstevel@tonic-gate * notice appear in all copies and that both that copyright notice and
207c478bd9Sstevel@tonic-gate * this permission notice appear in supporting documentation, and that
217c478bd9Sstevel@tonic-gate * the name of FundsXpress. not be used in advertising or publicity pertaining
227c478bd9Sstevel@tonic-gate * to distribution of the software without specific, written prior
237c478bd9Sstevel@tonic-gate * permission. FundsXpress makes no representations about the suitability of
247c478bd9Sstevel@tonic-gate * this software for any purpose. It is provided "as is" without express
257c478bd9Sstevel@tonic-gate * or implied warranty.
267c478bd9Sstevel@tonic-gate *
277c478bd9Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
287c478bd9Sstevel@tonic-gate * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
297c478bd9Sstevel@tonic-gate * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
307c478bd9Sstevel@tonic-gate */
317c478bd9Sstevel@tonic-gate
32*159d09a2SMark Phalan #include "k5-int.h"
33*159d09a2SMark Phalan #include "etypes.h"
347c478bd9Sstevel@tonic-gate
357c478bd9Sstevel@tonic-gate krb5_error_code KRB5_CALLCONV
36505d05c7Sgtb krb5_c_string_to_key_with_params(krb5_context context,
37505d05c7Sgtb krb5_enctype enctype,
38505d05c7Sgtb const krb5_data *string,
39505d05c7Sgtb const krb5_data *salt,
40505d05c7Sgtb const krb5_data *params,
41505d05c7Sgtb krb5_keyblock *key);
42505d05c7Sgtb
43505d05c7Sgtb /*ARGSUSED*/
44505d05c7Sgtb krb5_error_code KRB5_CALLCONV
krb5_c_string_to_key(krb5_context context,krb5_enctype enctype,const krb5_data * string,const krb5_data * salt,krb5_keyblock * key)45505d05c7Sgtb krb5_c_string_to_key(krb5_context context, krb5_enctype enctype,
46505d05c7Sgtb const krb5_data *string, const krb5_data *salt,
47505d05c7Sgtb krb5_keyblock *key)
48505d05c7Sgtb {
49505d05c7Sgtb return krb5_c_string_to_key_with_params(context, enctype, string, salt,
50505d05c7Sgtb NULL, key);
51505d05c7Sgtb }
52505d05c7Sgtb
53505d05c7Sgtb krb5_error_code KRB5_CALLCONV
krb5_c_string_to_key_with_params(krb5_context context,krb5_enctype enctype,const krb5_data * string,const krb5_data * salt,const krb5_data * params,krb5_keyblock * key)54505d05c7Sgtb krb5_c_string_to_key_with_params(krb5_context context, krb5_enctype enctype,
55505d05c7Sgtb const krb5_data *string,
56505d05c7Sgtb const krb5_data *salt,
57505d05c7Sgtb const krb5_data *params, krb5_keyblock *key)
587c478bd9Sstevel@tonic-gate {
597c478bd9Sstevel@tonic-gate int i;
607c478bd9Sstevel@tonic-gate krb5_error_code ret;
617c478bd9Sstevel@tonic-gate const struct krb5_enc_provider *enc;
627c478bd9Sstevel@tonic-gate size_t keybytes, keylength;
637c478bd9Sstevel@tonic-gate
647c478bd9Sstevel@tonic-gate for (i=0; i<krb5_enctypes_length; i++) {
657c478bd9Sstevel@tonic-gate if (krb5_enctypes_list[i].etype == enctype)
667c478bd9Sstevel@tonic-gate break;
677c478bd9Sstevel@tonic-gate }
687c478bd9Sstevel@tonic-gate
697c478bd9Sstevel@tonic-gate if (i == krb5_enctypes_length)
707c478bd9Sstevel@tonic-gate return(KRB5_BAD_ENCTYPE);
717c478bd9Sstevel@tonic-gate
727c478bd9Sstevel@tonic-gate enc = krb5_enctypes_list[i].enc;
73505d05c7Sgtb /* xxx AFS string2key function is indicated by a special length in
74505d05c7Sgtb * the salt in much of the code. However only the DES enctypes can
75505d05c7Sgtb * deal with this. Using s2kparams would be a much better solution.*/
76505d05c7Sgtb if (salt && salt->length == SALT_TYPE_AFS_LENGTH) {
77505d05c7Sgtb switch (enctype) {
78505d05c7Sgtb case ENCTYPE_DES_CBC_CRC:
79505d05c7Sgtb case ENCTYPE_DES_CBC_MD4:
80505d05c7Sgtb case ENCTYPE_DES_CBC_MD5:
81505d05c7Sgtb break;
82505d05c7Sgtb default:
83505d05c7Sgtb return (KRB5_CRYPTO_INTERNAL);
84505d05c7Sgtb }
85505d05c7Sgtb }
867c478bd9Sstevel@tonic-gate
87505d05c7Sgtb keybytes = enc->keybytes;
88505d05c7Sgtb keylength = enc->keylength;
897c478bd9Sstevel@tonic-gate
907c478bd9Sstevel@tonic-gate if ((key->contents = (krb5_octet *) malloc(keylength)) == NULL)
917c478bd9Sstevel@tonic-gate return(ENOMEM);
927c478bd9Sstevel@tonic-gate
937c478bd9Sstevel@tonic-gate key->magic = KV5M_KEYBLOCK;
947c478bd9Sstevel@tonic-gate key->enctype = enctype;
957c478bd9Sstevel@tonic-gate key->length = keylength;
96*159d09a2SMark Phalan /* Solaris Kerberos */
977c478bd9Sstevel@tonic-gate key->dk_list = NULL;
987c478bd9Sstevel@tonic-gate key->hKey = CK_INVALID_HANDLE;
997c478bd9Sstevel@tonic-gate
100*159d09a2SMark Phalan /* Solaris Kerberos */
1017c478bd9Sstevel@tonic-gate ret = (*krb5_enctypes_list[i].str2key)(context, enc, string, salt,
1027c478bd9Sstevel@tonic-gate params, key);
1037c478bd9Sstevel@tonic-gate if (ret) {
1047c478bd9Sstevel@tonic-gate memset(key->contents, 0, keylength);
1057c478bd9Sstevel@tonic-gate free(key->contents);
106*159d09a2SMark Phalan /* Solaris Kerberos */
1077c478bd9Sstevel@tonic-gate key->contents = NULL;
1087c478bd9Sstevel@tonic-gate }
1097c478bd9Sstevel@tonic-gate
1107c478bd9Sstevel@tonic-gate return(ret);
1117c478bd9Sstevel@tonic-gate }
112