xref: /titanic_41/usr/src/uts/common/gssapi/mechs/krb5/crypto/raw/raw_encrypt.c (revision 159d09a20817016f09b3ea28d1bdada4a336bb91)
1 /*
2  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 
7 /*
8  * Copyright (C) 1998 by the FundsXpress, INC.
9  *
10  * All rights reserved.
11  *
12  * Export of this software from the United States of America may require
13  * a specific license from the United States Government.  It is the
14  * responsibility of any person or organization contemplating export to
15  * obtain such a license before exporting.
16  *
17  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
18  * distribute this software and its documentation for any purpose and
19  * without fee is hereby granted, provided that the above copyright
20  * notice appear in all copies and that both that copyright notice and
21  * this permission notice appear in supporting documentation, and that
22  * the name of FundsXpress. not be used in advertising or publicity pertaining
23  * to distribution of the software without specific, written prior
24  * permission.  FundsXpress makes no representations about the suitability of
25  * this software for any purpose.  It is provided "as is" without express
26  * or implied warranty.
27  *
28  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
29  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
30  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
31  */
32 
33 #include "k5-int.h"
34 #include "raw.h"
35 
36 /*ARGSUSED*/
37 void
krb5_raw_encrypt_length(const struct krb5_enc_provider * enc,const struct krb5_hash_provider * hash,size_t inputlen,size_t * length)38 krb5_raw_encrypt_length(const struct krb5_enc_provider *enc,
39 			const struct krb5_hash_provider *hash,
40 			size_t inputlen, size_t *length)
41 {
42     size_t blocksize;
43 
44     blocksize = enc->block_size;
45 
46     *length = krb5_roundup(inputlen, blocksize);
47 }
48 
49 /*ARGSUSED*/
50 krb5_error_code
krb5_raw_encrypt(krb5_context context,const struct krb5_enc_provider * enc,const struct krb5_hash_provider * hash,const krb5_keyblock * key,krb5_keyusage usage,const krb5_data * ivec,const krb5_data * input,krb5_data * output)51 krb5_raw_encrypt(krb5_context context,
52 		 const struct krb5_enc_provider *enc,
53 		 const struct krb5_hash_provider *hash,
54 		 const krb5_keyblock *key, krb5_keyusage usage,
55 		 const krb5_data *ivec, const krb5_data *input,
56 		 krb5_data *output)
57 {
58     return((*(enc->encrypt))(context, key, ivec, input, output));
59 }
60