xref: /freebsd/crypto/openssl/crypto/aes/aes_misc.c (revision 1c05a6ea6b849ff95e539c31adea887c644a6a01)
1 /* crypto/aes/aes_misc.c */
2 /* ====================================================================
3  * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in
14  *    the documentation and/or other materials provided with the
15  *    distribution.
16  *
17  * 3. All advertising materials mentioning features or use of this
18  *    software must display the following acknowledgment:
19  *    "This product includes software developed by the OpenSSL Project
20  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21  *
22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23  *    endorse or promote products derived from this software without
24  *    prior written permission. For written permission, please contact
25  *    openssl-core@openssl.org.
26  *
27  * 5. Products derived from this software may not be called "OpenSSL"
28  *    nor may "OpenSSL" appear in their names without prior written
29  *    permission of the OpenSSL Project.
30  *
31  * 6. Redistributions of any form whatsoever must retain the following
32  *    acknowledgment:
33  *    "This product includes software developed by the OpenSSL Project
34  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35  *
36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47  * OF THE POSSIBILITY OF SUCH DAMAGE.
48  * ====================================================================
49  *
50  */
51 
52 #include <openssl/opensslv.h>
53 #include <openssl/crypto.h>
54 #include <openssl/aes.h>
55 #include "aes_locl.h"
56 
57 const char AES_version[] = "AES" OPENSSL_VERSION_PTEXT;
58 
59 const char *AES_options(void)
60 {
61 #ifdef FULL_UNROLL
62     return "aes(full)";
63 #else
64     return "aes(partial)";
65 #endif
66 }
67 
68 /* FIPS wrapper functions to block low level AES calls in FIPS mode */
69 
70 int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
71                         AES_KEY *key)
72 {
73 #ifdef OPENSSL_FIPS
74     fips_cipher_abort(AES);
75 #endif
76     return private_AES_set_encrypt_key(userKey, bits, key);
77 }
78 
79 int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
80                         AES_KEY *key)
81 {
82 #ifdef OPENSSL_FIPS
83     fips_cipher_abort(AES);
84 #endif
85     return private_AES_set_decrypt_key(userKey, bits, key);
86 }
87