1 /* $NetBSD: camellia.h,v 1.1 2011/05/05 17:38:36 drochner Exp $ */ 2 3 /* camellia.h ver 1.1.0 4 * 5 * Copyright (c) 2006 6 * NTT (Nippon Telegraph and Telephone Corporation) . All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer as 13 * the first lines of this file unmodified. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY NTT ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL NTT BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef _CAMELLIA_H 31 #define _CAMELLIA_H 32 33 #define CAMELLIA_BLOCK_SIZE 16 34 #define CAMELLIA_SUBKEYWORD 68 /* (34*8/4) */ 35 36 typedef struct { 37 int bits; /* key-length */ 38 uint32_t subkey[CAMELLIA_SUBKEYWORD]; /* encrypt/decrypt key schedule */ 39 } camellia_ctx; 40 41 void camellia_set_key(camellia_ctx *, const u_char *, int); 42 void camellia_decrypt(const camellia_ctx *, const u_char *, u_char *); 43 void camellia_encrypt(const camellia_ctx *, const u_char *, u_char *); 44 45 46 void Camellia_Ekeygen(const int keyBitLength, 47 const unsigned char *rawKey, 48 uint32_t *subkey); 49 50 void Camellia_EncryptBlock(const int keyBitLength, 51 const unsigned char *plaintext, 52 const uint32_t *subkey, 53 unsigned char *cipherText); 54 55 void Camellia_DecryptBlock(const int keyBitLength, 56 const unsigned char *cipherText, 57 const uint32_t *subkey, 58 unsigned char *plaintext); 59 60 void camellia_setup128(const unsigned char *key, uint32_t *subkey); 61 void camellia_setup192(const unsigned char *key, uint32_t *subkey); 62 void camellia_setup256(const unsigned char *key, uint32_t *subkey); 63 void camellia_encrypt128(const uint32_t *subkey, uint32_t *io); 64 void camellia_encrypt256(const uint32_t *subkey, uint32_t *io); 65 void camellia_decrypt128(const uint32_t *subkey, uint32_t *io); 66 void camellia_decrypt256(const uint32_t *subkey, uint32_t *io); 67 68 69 #endif /* _CAMELLIA_H */ 70