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https://github.com/guanzhi/GmSSL.git
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133 lines
4.5 KiB
C
Executable File
133 lines
4.5 KiB
C
Executable File
/* ====================================================================
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* Copyright (c) 2015 - 2018 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 <openssl/opensslconf.h>
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# ifndef OPENSSL_NO_ZUC
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# include <stdlib.h>
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# include <openssl/e_os2.h>
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# define ZUC_IV_LENGTH 16
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# define ZUC_KEY_LENGTH 16
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typedef uint32_t ZUC_UINT1;
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typedef uint32_t ZUC_UINT5;
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typedef uint32_t ZUC_UINT15;
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typedef uint32_t ZUC_UINT31;
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typedef uint32_t ZUC_UINT32;
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# ifdef __cplusplus
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extern "C" {
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# endif
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/* ZUC stream cipher */
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typedef struct zuc_key_st {
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ZUC_UINT31 LFSR[16];
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uint32_t R1;
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uint32_t R2;
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} ZUC_KEY;
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void ZUC_set_key(ZUC_KEY *key, const unsigned char *user_key, const unsigned char *iv);
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void ZUC_generate_keystream(ZUC_KEY *key, size_t nwords, uint32_t *words);
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uint32_t ZUC_generate_keyword(ZUC_KEY *key);
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# define ZUC_128EEA3_MIN_BITS 1
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# define ZUC_128EEA3_MAX_BITS 65504
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# define ZUC_128EEA3_MIN_BYTES ((ZUC_128EEA3_MIN_BITS + 7)/8)
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# define ZUC_128EEA3_MAX_BYTES ((ZUC_128EEA3_MAX_BITS + 7)/8)
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/* ZUC 128-EEA3 */
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typedef struct zuc_128eea3_st {
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ZUC_KEY ks;
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} ZUC_128EEA3;
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void ZUC_128eea3_set_key(ZUC_128EEA3 *ctx, const unsigned char user_key[16],
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ZUC_UINT32 count, ZUC_UINT5 bearer, ZUC_UINT1 direction);
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void ZUC_128eea3_encrypt(ZUC_128EEA3 *ctx, size_t len,
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const unsigned char *in, unsigned char *out);
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# define ZUC_128eea3_decrypt(ctx,len,in,out) \
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ZUC_128eea3_encrypt(ctx,len,in,out)
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void ZUC_128eea3(const unsigned char key[ZUC_KEY_LENGTH],
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ZUC_UINT32 count, ZUC_UINT5 bearer, ZUC_UINT1 direction,
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size_t len, const unsigned char *in, unsigned char *out);
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/* ZUC 128-EIA3 */
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# define ZUC_128EIA3_MIN_BYTES EEA3_MIN_BYTES
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# define ZUC_128EIA3_MAX_BYTES EEA3_MAX_BYTES
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# define ZUC_128EIA3_MAC_SIZE 4
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typedef struct zuc_128eia3_st {
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ZUC_KEY ks;
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unsigned char buf[4];
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size_t num;
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} ZUC_128EIA3;
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void ZUC_128eia3_set_key(ZUC_128EIA3 *ctx, const unsigned char *user_key,
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ZUC_UINT32 count, ZUC_UINT5 bearer, ZUC_UINT1 direction);
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void ZUC_128eia3_update(ZUC_128EIA3 *ctx, const unsigned char *data,
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size_t datalen);
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void ZUC_128eia3_final(ZUC_128EIA3 *ctx, uint32_t *mac);
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void ZUC_128eia3(const unsigned char key[ZUC_KEY_LENGTH],
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ZUC_UINT32 count, ZUC_UINT5 bearer, ZUC_UINT1 direction,
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const unsigned char *data, size_t dlen, uint32_t *mac);
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# ifdef __cplusplus
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}
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# endif
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# endif
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#endif
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