forked from acouzens/open5gs
119 lines
3.6 KiB
C
119 lines
3.6 KiB
C
/* $OpenBSD: snow3g.h,v 0.10 2015 raphael.catolino@gmail.com$ */
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/* ====================================================================
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* Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http:
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http:
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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*/
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#ifndef HEADER_SNOW3G_H
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#define HEADER_SNOW3G_H
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#if 0 /* modified by acetcom */
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#include <openssl/opensslconf.h>
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#else
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#include "core/ogs-core.h"
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#endif
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#ifdef OPENSSL_NO_SNOW3G
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#error SNOW3G is disabled.
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#endif
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#include <stddef.h>
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#include <stdint.h>
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#define SNOW_ENCRYPT 1
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#define SNOW_DECRYPT 0
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#define SNOW_WORD_SIZE 4
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#define SNOW_KEY_SIZE 16
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct snow_key_st {
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uint32_t key[4];
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uint32_t iv[4];
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};
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struct fsm_st {
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uint32_t r1;
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uint32_t r2;
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uint32_t r3;
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};
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typedef struct snow_ctx_st {
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uint32_t lfsr[SNOW_KEY_SIZE];
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struct fsm_st fsm;
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} SNOW_CTX;
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struct snow_key_st
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#if 0
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snow_array_to_key(const unsigned char key[16], const unsigned char iv[16]);
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#else
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snow_array_to_key(const unsigned char *key, const unsigned char *iv);
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#endif
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void
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SNOW_set_key(struct snow_key_st key_iv, SNOW_CTX *ctx);
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void
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SNOW_gen_keystream(uint32_t *stream, size_t nb_word, SNOW_CTX *ctx);
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void
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SNOW_init(uint32_t countc, uint8_t bearer, uint8_t direction,
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const char *confidentiality_key, SNOW_CTX *ctx);
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void
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SNOW(size_t nb_byte, const unsigned char *in, unsigned char *out, SNOW_CTX *ctx);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !HEADER_SNOW_H */
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