summaryrefslogtreecommitdiffstats
path: root/src/lib/crypto/openssl/pbkdf2.c
blob: 2681739a5cf73c5b166b2809ed1a016342f72436 (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
/*
 * lib/crypto/openssl/pbkdf2.c
 *
 * Copyright 2002, 2008, 2009 by the Massachusetts Institute of Technology.
 * 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.
 *
 *
 * Implementation of PBKDF2 from RFC 2898.
 * Not currently used; likely to be used when we get around to AES support.
 */

#include <ctype.h>
#include "k5-int.h"
#include "hash_provider.h"

#include <openssl/x509.h>
#include <openssl/evp.h>
#include <openssl/hmac.h>


krb5_error_code
krb5int_pbkdf2_hmac_sha1 (const krb5_data *out, unsigned long count,
			  const krb5_data *pass, const krb5_data *salt)
{
/*
 * This is an implementation of PKCS#5 v2.0
 * Does not return an error
 */
   PKCS5_PBKDF2_HMAC_SHA1(pass->data, pass->length,
                           (unsigned char *)salt->data, salt->length, count,
                           out->length, (unsigned char *)out->data);
    return 0;
}