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52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
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/* $OpenBSD: sm4.h,v 1.1 2019/03/17 17:42:37 tb Exp $ */
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/*
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* Copyright (c) 2017, 2019 Ribose Inc
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef HEADER_SM4_H
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#define HEADER_SM4_H
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#include <stdint.h>
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#include <openssl/opensslconf.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef OPENSSL_NO_SM4
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#error SM4 is disabled.
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#endif
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#define SM4_DECRYPT 0
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#define SM4_ENCRYPT 1
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#define SM4_BLOCK_SIZE 16
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#define SM4_KEY_SCHEDULE 32
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typedef struct sm4_key_st {
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unsigned char opaque[128];
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} SM4_KEY;
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int SM4_set_key(const uint8_t *key, SM4_KEY *ks);
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void SM4_decrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks);
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void SM4_encrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks);
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#ifdef __cplusplus
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}
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#endif
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#endif /* HEADER_SM4_H */
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