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/* ====================================================================
*
*
* BSD LICENSE
*
* Copyright(c) 2020-2025 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_sw_rsa.h
*
* This file provides an RSA interface for Multi-buffer implementation of an
* OpenSSL engine
*
*****************************************************************************/
#ifndef QAT_SW_RSA_H
# define QAT_SW_RSA_H
# include <openssl/rsa.h>
/* RSA key sizes */
# define RSA_2K_LENGTH 2048
# define RSA_3K_LENGTH 3072
# define RSA_4K_LENGTH 4096
#ifdef ENABLE_QAT_SW_RSA /* ENABLE_QAT_SW_RSA */
#ifdef QAT_BORINGSSL
typedef struct {
int status;
unsigned int length;
unsigned char *data;
mb_async_ctx async_ctx;
} mb_bssl_rsa_async_ctx;
#endif /* QAT_BORINGSSL */
void process_RSA_priv_reqs(mb_thread_data *tlv, int rsa_bits);
void process_RSA_pub_reqs(mb_thread_data *tlv, int rsa_bits);
int multibuff_rsa_priv_enc(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int multibuff_rsa_priv_dec(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int multibuff_rsa_pub_enc(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int multibuff_rsa_pub_dec(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
#ifdef QAT_BORINGSSL
int mb_bssl_rsa_priv_sign(RSA *rsa, size_t *out_len, uint8_t *out,
size_t max_out, const uint8_t *in,
size_t in_len, int padding);
int mb_bssl_rsa_priv_decrypt(RSA *rsa, size_t *out_len, uint8_t *out,
size_t max_out, const uint8_t *in,
size_t in_len, int padding);
void mb_bssl_rsa_priv_enc_callback_fn(void *async_ctx,
unsigned char *out_buffer,
unsigned long *size,
unsigned long max_size);
void mb_rsa_sign_sync_call_back_fn(void *async_ctx, unsigned char *out_buffer,
unsigned long *size, unsigned long max_size);
#else /* OpenSSL */
int multibuff_rsa_init(RSA *rsa);
int multibuff_rsa_finish(RSA *rsa);
#endif /* QAT_BORINGSSL */
#endif /* ENABLE_QAT_SW_RSA */
#endif /* QAT_SW_RSA_H */
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