70 lines
2.7 KiB
C
70 lines
2.7 KiB
C
/* camellia.h ver 1.1.0
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*
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* Copyright (c) 2006
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* NTT (Nippon Telegraph and Telephone Corporation) . All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer as
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* the first lines of this file unmodified.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY NTT ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL NTT BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _CAMELLIA_H
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#define _CAMELLIA_H
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#define CAMELLIA_BLOCK_SIZE 16
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#define CAMELLIA_SUBKEYWORD 68 /* (34*8/4) */
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typedef struct {
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int bits; /* key-length */
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uint32_t subkey[CAMELLIA_SUBKEYWORD]; /* encrypt/decrypt key schedule */
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} camellia_ctx;
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void camellia_set_key(camellia_ctx *, const u_char *, int);
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void camellia_decrypt(const camellia_ctx *, const u_char *, u_char *);
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void camellia_encrypt(const camellia_ctx *, const u_char *, u_char *);
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void Camellia_Ekeygen(const int keyBitLength,
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const unsigned char *rawKey,
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uint32_t *subkey);
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void Camellia_EncryptBlock(const int keyBitLength,
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const unsigned char *plaintext,
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const uint32_t *subkey,
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unsigned char *cipherText);
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void Camellia_DecryptBlock(const int keyBitLength,
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const unsigned char *cipherText,
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const uint32_t *subkey,
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unsigned char *plaintext);
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void camellia_setup128(const unsigned char *key, uint32_t *subkey);
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void camellia_setup192(const unsigned char *key, uint32_t *subkey);
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void camellia_setup256(const unsigned char *key, uint32_t *subkey);
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void camellia_encrypt128(const uint32_t *subkey, uint32_t *io);
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void camellia_encrypt256(const uint32_t *subkey, uint32_t *io);
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void camellia_decrypt128(const uint32_t *subkey, uint32_t *io);
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void camellia_decrypt256(const uint32_t *subkey, uint32_t *io);
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#endif /* _CAMELLIA_H */
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