Files
GmSSL/include/openssl/speck.h
Zhi Guan 79e2936664 update
2017-05-15 17:23:26 +08:00

97 lines
3.3 KiB
C

/* ====================================================================
* Copyright (c) 2014 - 2017 The GmSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the GmSSL Project.
* (http://gmssl.org/)"
*
* 4. The name "GmSSL Project" must not be used to endorse or promote
* products derived from this software without prior written
* permission. For written permission, please contact
* guanzhi1980@gmail.com.
*
* 5. Products derived from this software may not be called "GmSSL"
* nor may "GmSSL" appear in their names without prior written
* permission of the GmSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the GmSSL Project
* (http://gmssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
#ifndef SPECK_H
#define SPECK_H
/*
* define speck type to use
*(one of SPECK_32_64, SPECK_64_128, SPECK_128_256)
*/
#define SPECK_32_64
#ifdef SPECK_32_64
#define SPECK_TYPE uint16_t
#define SPECK_ROUNDS 22
#define SPECK_KEY_LEN 4
#endif
#ifdef SPECK_64_128
#define SPECK_TYPE uint32_t
#define SPECK_ROUNDS 27
#define SPECK_KEY_LEN 4
#endif
#ifdef SPECK_128_256
#define SPECK_TYPE uint64_t
#define SPECK_ROUNDS 34
#define SPECK_KEY_LEN 4
#endif
#define num_word sizeof(SPECK_TYPE)
#include <sys/types.h>
#include <stdint.h>
#include <string.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
unsigned char rk[num_word];
} speck_key_t;
void speck_set_encrypt_key(speck_key_t *key, const unsigned char *user_key);
void speck_expand(SPECK_TYPE const K[SPECK_KEY_LEN], SPECK_TYPE S[SPECK_ROUNDS]);
void speck_encrypt(SPECK_TYPE const pt[2], SPECK_TYPE ct[2], SPECK_TYPE const K[SPECK_ROUNDS]);
void speck_decrypt(SPECK_TYPE const ct[2], SPECK_TYPE pt[2], SPECK_TYPE const K[SPECK_ROUNDS]);
#ifdef __cplusplus
}
#endif
#endif