| 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 | |