mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-11-30 15:14:18 +01:00
71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
/* idea.h
|
|
*
|
|
* Copyright (C) 2006-2021 wolfSSL Inc.
|
|
*
|
|
* This file is part of wolfSSL.
|
|
*
|
|
* wolfSSL is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* wolfSSL is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
|
|
*/
|
|
|
|
/*!
|
|
\file wolfssl/wolfcrypt/idea.h
|
|
*/
|
|
|
|
#ifndef WOLF_CRYPT_IDEA_H
|
|
#define WOLF_CRYPT_IDEA_H
|
|
|
|
#include <libwolfssl/wolfcrypt/types.h>
|
|
|
|
#ifdef HAVE_IDEA
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
enum {
|
|
IDEA_MODULO = 0x10001, /* 2^16+1 */
|
|
IDEA_2EXP16 = 0x10000, /* 2^16 */
|
|
IDEA_MASK = 0xFFFF, /* 16 bits set to one */
|
|
IDEA_ROUNDS = 8, /* number of rounds for IDEA */
|
|
IDEA_SK_NUM = (6*IDEA_ROUNDS + 4), /* number of subkeys */
|
|
IDEA_KEY_SIZE = 16, /* size of key in bytes */
|
|
IDEA_BLOCK_SIZE = 8, /* size of IDEA blocks in bytes */
|
|
IDEA_IV_SIZE = 8, /* size of IDEA IV in bytes */
|
|
IDEA_ENCRYPTION = 0,
|
|
IDEA_DECRYPTION = 1
|
|
};
|
|
|
|
/* IDEA encryption and decryption */
|
|
typedef struct Idea {
|
|
word32 reg[IDEA_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */
|
|
word32 tmp[IDEA_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */
|
|
word16 skey[IDEA_SK_NUM]; /* 832 bits expanded key */
|
|
} Idea;
|
|
|
|
WOLFSSL_API int wc_IdeaSetKey(Idea *idea, const byte* key, word16 keySz,
|
|
const byte *iv, int dir);
|
|
WOLFSSL_API int wc_IdeaSetIV(Idea *idea, const byte* iv);
|
|
WOLFSSL_API int wc_IdeaCipher(Idea *idea, byte* out, const byte* in);
|
|
WOLFSSL_API int wc_IdeaCbcEncrypt(Idea *idea, byte* out,
|
|
const byte* in, word32 len);
|
|
WOLFSSL_API int wc_IdeaCbcDecrypt(Idea *idea, byte* out,
|
|
const byte* in, word32 len);
|
|
#ifdef __cplusplus
|
|
} /* extern "C" */
|
|
#endif
|
|
|
|
#endif /* HAVE_IDEA */
|
|
#endif /* WOLF_CRYPT_IDEA_H */
|