1 /* camellia.h ver 1.1.0 2 * 3 * Copyright (c) 2006 4 * NTT (Nippon Telegraph and Telephone Corporation) . All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer as 11 * the first lines of this file unmodified. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY NTT ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL NTT BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef _CAMELLIA_H 29 #define _CAMELLIA_H 30 31 #define CAMELLIA_BLOCK_SIZE 16 32 #define CAMELLIA_SUBKEYWORD 68 /* (34*8/4) */ 33 34 typedef struct { 35 int bits; /* key-length */ 36 uint32_t subkey[CAMELLIA_SUBKEYWORD]; /* encrypt/decrypt key schedule */ 37 } camellia_ctx; 38 39 void camellia_set_key(camellia_ctx *, const u_char *, int); 40 void camellia_decrypt(const camellia_ctx *, const u_char *, u_char *); 41 void camellia_encrypt(const camellia_ctx *, const u_char *, u_char *); 42 43 44 void Camellia_Ekeygen(const int keyBitLength, 45 const unsigned char *rawKey, 46 uint32_t *subkey); 47 48 void Camellia_EncryptBlock(const int keyBitLength, 49 const unsigned char *plaintext, 50 const uint32_t *subkey, 51 unsigned char *cipherText); 52 53 void Camellia_DecryptBlock(const int keyBitLength, 54 const unsigned char *cipherText, 55 const uint32_t *subkey, 56 unsigned char *plaintext); 57 58 void camellia_setup128(const unsigned char *key, uint32_t *subkey); 59 void camellia_setup192(const unsigned char *key, uint32_t *subkey); 60 void camellia_setup256(const unsigned char *key, uint32_t *subkey); 61 void camellia_encrypt128(const uint32_t *subkey, uint32_t *io); 62 void camellia_encrypt256(const uint32_t *subkey, uint32_t *io); 63 void camellia_decrypt128(const uint32_t *subkey, uint32_t *io); 64 void camellia_decrypt256(const uint32_t *subkey, uint32_t *io); 65 66 67 #endif /* _CAMELLIA_H */ 68