1 /*
2  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 #pragma ident	"%Z%%M%	%I%	%E% SMI"
7 
8 /*
9  * Copyright (C) 1998 by the FundsXpress, INC.
10  *
11  * All rights reserved.
12  *
13  * Export of this software from the United States of America may require
14  * a specific license from the United States Government.  It is the
15  * responsibility of any person or organization contemplating export to
16  * obtain such a license before exporting.
17  *
18  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
19  * distribute this software and its documentation for any purpose and
20  * without fee is hereby granted, provided that the above copyright
21  * notice appear in all copies and that both that copyright notice and
22  * this permission notice appear in supporting documentation, and that
23  * the name of FundsXpress. not be used in advertising or publicity pertaining
24  * to distribution of the software without specific, written prior
25  * permission.  FundsXpress makes no representations about the suitability of
26  * this software for any purpose.  It is provided "as is" without express
27  * or implied warranty.
28  *
29  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
30  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
31  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
32  */
33 
34 #include <k5-int.h>
35 #include <hash_provider.h>
36 
37 static void
38 k5_sha1_hash_size(size_t *output)
39 {
40     KRB5_LOG0(KRB5_INFO, "k5_sha1_hash_size() start");
41     *output = SHS_DIGESTSIZE;
42 }
43 
44 static void
45 k5_sha1_block_size(size_t *output)
46 {
47     KRB5_LOG0(KRB5_INFO, "k5_sha1_block_size() start");
48     *output = SHS_DATASIZE;
49 }
50 
51 static krb5_error_code
52 k5_sha1_hash(krb5_context context,
53 	unsigned int icount, krb5_const krb5_data *input,
54 	krb5_data *output)
55 {
56     CK_MECHANISM mechanism;
57 
58     mechanism.mechanism = CKM_SHA_1;
59     mechanism.pParameter = NULL_PTR;
60     mechanism.ulParameterLen = 0;
61 
62     return(k5_ef_hash(context, &mechanism, icount, input, output));
63 
64     return(0);
65 }
66 
67 const struct krb5_hash_provider krb5_hash_sha1 = {
68     k5_sha1_hash_size,
69     k5_sha1_block_size,
70     k5_sha1_hash
71 };
72