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1 /* crypto/camellia/camellia_misc.c -*- mode:C; c-file-style: "eay" -*- */
2 /* ====================================================================
3 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
31 * 6. Redistributions of any form whatsoever must retain the following
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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 * ====================================================================
52 #include <openssl/opensslv.h>
53 #include <openssl/camellia.h>
54 #include "cmll_locl.h"
56 const char CAMELLIA_version
[]="CAMELLIA" OPENSSL_VERSION_PTEXT
;
58 int Camellia_set_key(const unsigned char *userKey
, const int bits
,
69 camellia_setup128(userKey
, (unsigned int *)key
->rd_key
);
70 key
->enc
= camellia_encrypt128
;
71 key
->dec
= camellia_decrypt128
;
74 camellia_setup192(userKey
, (unsigned int *)key
->rd_key
);
75 key
->enc
= camellia_encrypt256
;
76 key
->dec
= camellia_decrypt256
;
79 camellia_setup256(userKey
, (unsigned int *)key
->rd_key
);
80 key
->enc
= camellia_encrypt256
;
81 key
->dec
= camellia_decrypt256
;
87 key
->bitLength
= bits
;
91 void Camellia_encrypt(const unsigned char *in
, unsigned char *out
,
92 const CAMELLIA_KEY
*key
)
94 u32 tmp
[CAMELLIA_BLOCK_SIZE
/sizeof(u32
)];
95 const union { long one
; char little
; } camellia_endian
= {1};
97 memcpy(tmp
, in
, CAMELLIA_BLOCK_SIZE
);
98 if (camellia_endian
.little
) SWAP4WORD(tmp
);
99 key
->enc(key
->rd_key
, tmp
);
100 if (camellia_endian
.little
) SWAP4WORD(tmp
);
101 memcpy(out
, tmp
, CAMELLIA_BLOCK_SIZE
);
104 void Camellia_decrypt(const unsigned char *in
, unsigned char *out
,
105 const CAMELLIA_KEY
*key
)
107 u32 tmp
[CAMELLIA_BLOCK_SIZE
/sizeof(u32
)];
108 const union { long one
; char little
; } camellia_endian
= {1};
110 memcpy(tmp
, in
, CAMELLIA_BLOCK_SIZE
);
111 if (camellia_endian
.little
) SWAP4WORD(tmp
);
112 key
->dec(key
->rd_key
, tmp
);
113 if (camellia_endian
.little
) SWAP4WORD(tmp
);
114 memcpy(out
, tmp
, CAMELLIA_BLOCK_SIZE
);