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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_common.h
*
* This file provides the common data structure for QAT_HW & QAT_SW
*
*****************************************************************************/
#ifndef QAT_COMMON_H
# define QAT_COMMON_H
/* Begin of ECX common data structures */
# define X25519_KEYLEN 32
# define X448_KEYLEN 56
# define QAT_X448_DATALEN 64
# define X448_DATA_KEY_DIFF 8
# define ED448_KEYLEN 57/* This is used for OpenSSL 3.0 ECX_KEY */
# define MAX_KEYLEN 57
# define X25519_BITS 253
# define X25519_SECURITY_BITS 128
# define X448_BITS 448
# define X448_SECURITY_BITS 224
typedef struct {
_Atomic int val;
}QAT_CRYPTO_REF_COUNT;
/* Only for QAT_HW built with OpenSSL 1.1.1 Engine */
# ifndef QAT_OPENSSL_3
typedef struct {
unsigned char pubkey[QAT_X448_DATALEN];
unsigned char *privkey;
} ECX_KEY;
# endif
# if defined(QAT_OPENSSL_3) && !defined(QAT_OPENSSL_PROVIDER)
typedef enum {
ECX_KEY_TYPE_X25519,
ECX_KEY_TYPE_X448,
ECX_KEY_TYPE_ED25519,
ECX_KEY_TYPE_ED448
} ECX_KEY_TYPE;
typedef struct ecx_key_st {
OSSL_LIB_CTX *libctx;
char *propq;
unsigned int haspubkey:1;
unsigned char pubkey[ED448_KEYLEN];
unsigned char *privkey;
size_t keylen;
ECX_KEY_TYPE type;
QAT_CRYPTO_REF_COUNT references;
#if OPENSSL_VERSION_NUMBER < 0x30200000
CRYPTO_RWLOCK *lock;
#endif
} QAT_SW_ECX_KEY, ECX_KEY;
# else
typedef struct {
unsigned char pubkey[MAX_KEYLEN];
unsigned char *privkey;
} QAT_SW_ECX_KEY;
# endif
/* End of ECX common data structures */
#endif
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