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/* $OpenBSD: snow3g.h,v 0.10 2015 raphael.catolino@gmail.com$ */
/* ====================================================================
* Copyright (c) 1998-2002 The OpenSSL 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 OpenSSL Project
* for use in the OpenSSL Toolkit. (http:
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http:
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL 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 OpenSSL 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 HEADER_SNOW3G_H
#define HEADER_SNOW3G_H
#if 0 /* modified by acetcom */
#include <openssl/opensslconf.h>
#else
#include "core/ogs-core.h"
#endif
#ifdef OPENSSL_NO_SNOW3G
#error SNOW3G is disabled.
#endif
#include <stddef.h>
#include <stdint.h>
#define SNOW_ENCRYPT 1
#define SNOW_DECRYPT 0
#define SNOW_WORD_SIZE 4
#define SNOW_KEY_SIZE 16
#ifdef __cplusplus
extern "C" {
#endif
struct snow_key_st {
uint32_t key[4];
uint32_t iv[4];
};
struct fsm_st {
uint32_t r1;
uint32_t r2;
uint32_t r3;
};
typedef struct snow_ctx_st {
uint32_t lfsr[SNOW_KEY_SIZE];
struct fsm_st fsm;
} SNOW_CTX;
struct snow_key_st
#if 0
snow_array_to_key(const unsigned char key[16], const unsigned char iv[16]);
#else
snow_array_to_key(const unsigned char *key, const unsigned char *iv);
#endif
void
SNOW_set_key(struct snow_key_st key_iv, SNOW_CTX *ctx);
void
SNOW_gen_keystream(uint32_t *stream, size_t nb_word, SNOW_CTX *ctx);
void
SNOW_init(uint32_t countc, uint8_t bearer, uint8_t direction,
const char *confidentiality_key, SNOW_CTX *ctx);
void
SNOW(size_t nb_byte, const unsigned char *in, unsigned char *out, SNOW_CTX *ctx);
#ifdef __cplusplus
}
#endif
#endif /* !HEADER_SNOW_H */
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