aboutsummaryrefslogtreecommitdiff
path: root/src/lib/crypto/nss/enc_provider/des3.c
blob: df79d0e706295b6e888cd948b207bcc1093e3423 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
/* lib/crypto/nss/enc_provider/des3.c
 *
 * Copyright (C) 2009 by the Massachusetts Institute of Technology.
 * Copyright (C) 2010 Red Hat, Inc.
 * All rights reserved.
 *
 * Export of this software from the United States of America may
 *   require a specific license from the United States Government.
 *   It is the responsibility of any person or organization contemplating
 *   export to obtain such a license before exporting.
 *
 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
 * distribute this software and its documentation for any purpose and
 * without fee is hereby granted, provided that the above copyright
 * notice appear in all copies and that both that copyright notice and
 * this permission notice appear in supporting documentation, and that
 * the name of M.I.T. not be used in advertising or publicity pertaining
 * to distribution of the software without specific, written prior
 * permission.  Furthermore if you modify this software you must label
 * your software as modified software and not distribute it in such a
 * fashion that it might be confused with the original M.I.T. software.
 * M.I.T. makes no representations about the suitability of
 * this software for any purpose.  It is provided "as is" without express
 * or implied warranty.
 */

/*
 * Copyright (C) 1998 by the FundsXpress, INC.
 *
 * All rights reserved.
 *
 * Export of this software from the United States of America may require
 * a specific license from the United States Government.  It is the
 * responsibility of any person or organization contemplating export to
 * obtain such a license before exporting.
 *
 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
 * distribute this software and its documentation for any purpose and
 * without fee is hereby granted, provided that the above copyright
 * notice appear in all copies and that both that copyright notice and
 * this permission notice appear in supporting documentation, and that
 * the name of FundsXpress. not be used in advertising or publicity pertaining
 * to distribution of the software without specific, written prior
 * permission.  FundsXpress makes no representations about the suitability of
 * this software for any purpose.  It is provided "as is" without express
 * or implied warranty.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#include "k5-int.h"
#include "nss_gen.h"
#include <aead.h>
#include <rand2key.h>
#include "des_int.h"


static krb5_error_code
k5_des3_encrypt_iov(krb5_key key,
            const krb5_data *ivec,
            krb5_crypto_iov *data,
            size_t num_data)
{
   int ret;
   ret = k5_nss_gen_import(key, CKM_DES3_CBC, CKA_ENCRYPT);
   if (ret != 0) {
	return ret;
   }
   return k5_nss_gen_block_iov(key, CKM_DES3_CBC, CKA_ENCRYPT, 
		ivec, data, num_data);
}

static krb5_error_code
k5_des3_decrypt_iov(krb5_key key,
           const krb5_data *ivec,
           krb5_crypto_iov *data,
           size_t num_data)
{
   int ret;
   ret = k5_nss_gen_import(key, CKM_DES3_CBC, CKA_ENCRYPT);
   if (ret != 0) {
	return ret;
   }
   return k5_nss_gen_block_iov(key, CKM_DES3_CBC, CKA_DECRYPT, 
		ivec, data, num_data);
}

const struct krb5_enc_provider krb5int_enc_des3 = {
    8,
    21, KRB5_MIT_DES3_KEYSIZE,
    k5_des3_encrypt_iov,
    k5_des3_decrypt_iov,
    NULL,
    krb5int_des3_make_key,
    krb5int_des_init_state,
    krb5int_default_free_state,
    k5_nss_gen_cleanup
};