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/* ====================================================================
*
*
* BSD LICENSE
*
* Copyright(c) 2023-2025 Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* ====================================================================
*/
/*****************************************************************************
* @file qat_hw_sm3.h
*
* This file provides a interface for SM3 operations
*
*****************************************************************************/
#ifndef QAT_HW_SM3_H
# define QAT_HW_SM3_H
#ifndef QAT_OPENSSL_PROVIDER
# include <openssl/engine.h>
#endif
# include <openssl/evp.h>
# include "cpa.h"
# include "cpa_types.h"
# include "cpa_cy_sym.h"
# include "cpa_cy_drbg.h"
# ifdef ENABLE_QAT_HW_SM3
/* Digest Size */
# define QAT_SM3_DIGEST_SIZE 32
/*Block Size */
# define QAT_SM3_BLOCK_SIZE 64
/* State Size */
# define QAT_SM3_STATE_SIZE 32
/* Min 260x to met 16k record offload, 16461 bytes in bulk crypto test */
# define QAT_SM3_OFFLOAD_THRESHOLD (260 * QAT_SM3_BLOCK_SIZE)
# define SM3_DIGEST_LENGTH 32
# define SM3_WORD unsigned int
# define SM3_CBLOCK 64
# define SM3_LBLOCK (SM3_CBLOCK/4)
typedef struct SM3state_st {
SM3_WORD A, B, C, D, E, F, G, H;
SM3_WORD Nl, Nh;
SM3_WORD data[SM3_LBLOCK];
unsigned int num;
} SM3_CTX;
typedef struct {
int inst_num;
int context_params_set; /* True if init called */
int qat_offloaded; /* True if there was an offload. */
int *rc_refs; /* The count of the resource reference */
int *data_refs; /* The count of the resource reference */
unsigned char *data; /* The buffer */
unsigned int num; /* The data left in buffer */
unsigned int rcv_count; /* The data received */
CpaCySymSessionSetupData *session_data;
CpaCySymSessionCtx session_ctx;
CpaCySymOpData *pOpData;
CpaBufferList pSrcBufferList; /* For QAT metadata */
unsigned char *digest_data;
EVP_MD *sw_md;
EVP_MD_CTX *sw_md_ctx;
int qat_svm;
} QAT_SM3_CTX;
/* Totally 3 memory sections in application data, common EVP_MD,
SM3_CTX used for SM3 software, and QAT_SM3_CTX for QAT_HW */
# define QAT_SM3_GET_CTX(ctx) \
((QAT_SM3_CTX *) (EVP_MD_CTX_md_data(ctx) + sizeof(SM3_CTX)))
const EVP_MD *qat_hw_create_sm3_meth(int nid, int key_type);
# ifndef QAT_OPENSSL_PROVIDER
int qat_hw_sm3_init(EVP_MD_CTX *ctx);
int qat_hw_sm3_update(EVP_MD_CTX *ctx, const void *in, size_t len);
int qat_hw_sm3_final(EVP_MD_CTX *ctx, unsigned char *md);
# else
int qat_hw_sm3_init(void *ctx);
int qat_hw_sm3_update(void *ctx, const void *in, size_t len);
int qat_hw_sm3_copy(QAT_SM3_CTX *to, const QAT_SM3_CTX *from);
int qat_hw_sm3_final(void *ctx, unsigned char *md);
int qat_hw_sm3_cleanup(QAT_SM3_CTX *ctx);
# endif /* QAT_OPENSSL_PROVIDER */
# endif /* ENABLE_QAT_HW_SM3 */
#endif /* QAT_HW_SM3_H */
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