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123 lines
4.2 KiB
C
Executable File
123 lines
4.2 KiB
C
Executable File
/* ====================================================================
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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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#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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uint32_t state[22];
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} zuc_key_t;
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/*
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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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*/
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typedef struct {
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zuc_key_t key;
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unsigned char buf[4];
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size_t buflen;
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} zuc_ctx_t;
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/*
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void zuc_ctx_init(zuc_ctx_t *ctx, const unsigned char *user_key, const unsigned char *iv);
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void zuc_encrypt(zuc_ctx_t *ctx, size_t len, const unsigned char *in, unsigned char *out);
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#define zuc_decrypt(ctx,len,in,out) zuc_encrypt(ctx,len,in,out)
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*/
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#define EEA3_MIN_BITS 1
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#define EEA3_MAX_BITS 65504
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#define EEA3_MIN_BYTES ((EEA3_MIN_BITS + 7)/8)
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#define EEA3_MAX_BYTES ((EEA3_MAX_BITS + 7)/8)
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typedef struct {
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zuc_ctx_t zuc;
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size_t length;
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/* maybe buffer */
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} eea3_ctx_t;
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/*
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void eea3_init(eea3_ctx_t *ctx, const unsigned char *user_key, uint32_t count, uint32_t bearer, int direction);
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void eea3_encrypt(eea3_ctx_t *ctx, size_t len, const unsigned char *in, unsigned char *out);
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#define eea3_decrypt(ctx,len,in,out) eea3_encrypt(ctx,len,in,out)
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void eea3(const unsigned char *key, uint32_t count, uint32_t bearer, int direction,
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size_t len, const unsigned char *in, unsigned char *out);
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*/
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#define EIA3_MIN_BYTES EEA3_MIN_BYTES
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#define EIA3_MAX_BYTES EEA3_MAX_BYTES
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#define EIA3_MAC_SIZE 4
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typedef struct {
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zuc_ctx_t zuc;
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size_t length;
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/* maybe buffer */
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} eia3_ctx_t;
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/*
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void eia3_init(eia3_ctx_t *ctx, const unsigned char *user_key, uint32_t count, uint32_t bearer, int direction);
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void eia3_update(eia3_ctx_t *ctx, const unsigned char *data, size_t datalen);
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void eia3_final(eia3_ctx_t *ctx, uint32_t *mac);
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void eia3(const unsigned char *key, uint32_t count, uint32_t bearer, int direction,
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const unsigned char *data, size_t len, uint32_t *mac);
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif
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