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/*****************************************************************************
 * @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
