1 /* $OpenBSD: cmll_ofb.c,v 1.4 2014/11/13 20:01:58 miod Exp $ */
2 /* ====================================================================
3  * Copyright (c) 2006 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 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
52  * All rights reserved.
53  *
54  * This package is an SSL implementation written
55  * by Eric Young (eay@cryptsoft.com).
56  * The implementation was written so as to conform with Netscapes SSL.
57  *
58  * This library is free for commercial and non-commercial use as long as
59  * the following conditions are aheared to.  The following conditions
60  * apply to all code found in this distribution, be it the RC4, RSA,
61  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
62  * included with this distribution is covered by the same copyright terms
63  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
64  *
65  * Copyright remains Eric Young's, and as such any Copyright notices in
66  * the code are not to be removed.
67  * If this package is used in a product, Eric Young should be given attribution
68  * as the author of the parts of the library used.
69  * This can be in the form of a textual message at program startup or
70  * in documentation (online or textual) provided with the package.
71  *
72  * Redistribution and use in source and binary forms, with or without
73  * modification, are permitted provided that the following conditions
74  * are met:
75  * 1. Redistributions of source code must retain the copyright
76  *    notice, this list of conditions and the following disclaimer.
77  * 2. Redistributions in binary form must reproduce the above copyright
78  *    notice, this list of conditions and the following disclaimer in the
79  *    documentation and/or other materials provided with the distribution.
80  * 3. All advertising materials mentioning features or use of this software
81  *    must display the following acknowledgement:
82  *    "This product includes cryptographic software written by
83  *     Eric Young (eay@cryptsoft.com)"
84  *    The word 'cryptographic' can be left out if the rouines from the library
85  *    being used are not cryptographic related :-).
86  * 4. If you include any Windows specific code (or a derivative thereof) from
87  *    the apps directory (application code) you must include an acknowledgement:
88  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
89  *
90  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
91  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
92  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
93  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
94  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
95  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
96  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
97  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
98  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
99  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
100  * SUCH DAMAGE.
101  *
102  * The licence and distribution terms for any publically available version or
103  * derivative of this code cannot be changed.  i.e. this code cannot simply be
104  * copied and put under another distribution licence
105  * [including the GNU Public Licence.]
106  */
107 
108 #include <openssl/camellia.h>
109 #include <openssl/modes.h>
110 
111 /*
112  * The input and output encrypted as though 128bit ofb mode is being
113  * used.  The extra state information to record how much of the
114  * 128bit block we have used is contained in *num;
115  */
116 void
Camellia_ofb128_encrypt(const unsigned char * in,unsigned char * out,size_t length,const CAMELLIA_KEY * key,unsigned char * ivec,int * num)117 Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,
118     size_t length, const CAMELLIA_KEY *key, unsigned char *ivec, int *num)
119 {
120 	CRYPTO_ofb128_encrypt(in, out, length, key, ivec, num,
121 	    (block128_f)Camellia_encrypt);
122 }
123