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96 lines
3.3 KiB
C
Executable File
96 lines
3.3 KiB
C
Executable File
/* crypto/zuc/zuc.h */
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/* ====================================================================
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* Copyright (c) 2015 - 2016 The GmSSL 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 GmSSL Project.
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* (http://gmssl.org/)"
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*
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* 4. The name "GmSSL Project" must not be used to endorse or promote
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* products derived from this software without prior written
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* permission. For written permission, please contact
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* guanzhi1980@gmail.com.
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*
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* 5. Products derived from this software may not be called "GmSSL"
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* nor may "GmSSL" appear in their names without prior written
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* permission of the GmSSL 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 GmSSL Project
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* (http://gmssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE GmSSL 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 GmSSL 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_ZUC_H
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#define HEADER_ZUC_H
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#include <stdint.h>
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#include <stdlib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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unsigned char zuc_state[100]; /* change what you like */
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unsigned char word_buf[4];
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} zuc_key_t;
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void zuc_set_key(zuc_key_t *key, const unsigned char *user_key, const unsigned char *iv);
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void zuc_generate_keystream(zuc_key_t *key, size_t nwords, uint32_t *words);
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void zuc_encrypt(zuc_key_t *key, size_t len, const unsigned char *in, unsigned char *out);
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#define EEA3_MIN_BITS 1
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#define EEA3_MAX_BITS 65504
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/* 128-EEA3
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* Input:
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* count - the counter
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* bearer - the bearer ientity 5-bit
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* direction - 0 or 1
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* nbits - the length of input message, in [1, 65504]
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*/
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#if 0
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void eea3_set_key(zuc_key_t *key, const unsigned char *user_key,
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uint32_t count, uint32_t bearer, uint32_t direction);
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void eea3_encrypt(zuc_key_t *key, size_t len, const unsigned char *in, unsigned char *out);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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