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/* ====================================================================
*
*
* BSD LICENSE
*
* Copyright(c) 2022-2025 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_prf.h
*
* This file provides an interface of the PRF operations for an
* OpenSSL engine
*
*****************************************************************************/
#ifndef QAT_HW_PRF_H
#define QAT_HW_PRF_H
#include <pthread.h>
#include <string.h>
#include <signal.h>
#include <stdarg.h>
#include "openssl/ossl_typ.h"
#include "openssl/kdf.h"
#include "openssl/evp.h"
#include "openssl/ssl.h"
#include "qat_evp.h"
#include "qat_utils.h"
#include "qat_hw_asym_common.h"
#include "e_qat.h"
#include "qat_hw_callback.h"
#include "qat_hw_polling.h"
#include "qat_events.h"
/* These limits are based on QuickAssist limits.
* OpenSSL is more generous but better to restrict and fail
* early on here if they are exceeded rather than later on
* down in the driver.
*/
# ifdef ENABLE_QAT_HW_PRF
# define QAT_TLS1_PRF_SECRET_MAXBUF 1024
# define QAT_TLS1_PRF_SEED_MAXBUF 64
# define QAT_TLS1_PRF_LABEL_MAXBUF 136
/* QAT TLS pkey context structure */
typedef struct {
/* Buffer of concatenated seeds from seed2 to seed5 data */
unsigned char qat_seed[QAT_TLS1_PRF_SEED_MAXBUF];
size_t qat_seedlen;
unsigned char *qat_userLabel;
size_t qat_userLabel_len;
/* Digest to use for PRF */
const EVP_MD *qat_md;
/* Secret value to use for PRF */
unsigned char *qat_sec;
size_t qat_seclen;
void *sw_prf_ctx_data;
int qat_svm;
} QAT_TLS1_PRF_CTX;
/* Function Declarations */
int qat_tls1_prf_init(EVP_PKEY_CTX *ctx);
void qat_prf_cleanup(EVP_PKEY_CTX *ctx);
int qat_prf_tls_derive(EVP_PKEY_CTX *ctx, unsigned char *key,
size_t *olen);
int qat_tls1_prf_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2);
# endif /* ENABLE_QAT_HW_PRF */
#endif /* QAT_HW_PRF_H */
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