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/*****************************************************************************
 * @file qat_sw_ec.h
 *
 * This file provides an interface to ECDH & ECDSA Multi-buffer operations
 *
 *****************************************************************************/

#ifndef QAT_SW_EC_H
# define QAT_SW_EC_H

# define EC_P256 1
# define EC_P384 2
# define EC_SM2  3

# include <openssl/ossl_typ.h>

# ifdef ENABLE_QAT_SW_SM2
EVP_PKEY_METHOD *mb_sm2_pmeth(void);
void process_ecdsa_sm2_sign_reqs(mb_thread_data *tlv);
void process_ecdsa_sm2_verify_reqs(mb_thread_data *tlv);
# endif

# ifdef ENABLE_QAT_SW_ECDSA
int mb_ecdsa_sign(int type, const unsigned char *dgst, int dlen,
                  unsigned char *sig, unsigned int *siglen,
                  const BIGNUM *kinv, const BIGNUM *r, EC_KEY *eckey);
int mb_ecdsa_do_verify(const unsigned char *dgst,
                    int dlen, const ECDSA_SIG *sig,
                    EC_KEY *eckey);
int mb_ecdsa_verify(int type, const unsigned char *dgst,
                    int dgst_len, const unsigned char *sigbuf,
                    int sig_len, EC_KEY *eckey);
#ifndef QAT_BORINGSSL
int mb_ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in,
                        BIGNUM **kinvp, BIGNUM **rp);
ECDSA_SIG *mb_ecdsa_sign_sig(const unsigned char *dgst, int dlen,
                             const BIGNUM *in_kinv, const BIGNUM *in_r,
                             EC_KEY *eckey);
#else /* QAT_BORINGSSL */
int mb_ecdsa_sign_bssl(const uint8_t *digest, size_t digest_len, uint8_t *sig,
                        unsigned int *sig_len, EC_KEY *eckey);
#endif /* QAT_BORINGSSL */
void process_ecdsa_sign_reqs(mb_thread_data *tlv, int bits);
void process_ecdsa_sign_setup_reqs(mb_thread_data *tlv, int bits);
void process_ecdsa_sign_sig_reqs(mb_thread_data *tlv, int bits);
void process_ecdsa_verify_reqs(mb_thread_data *tlv, int bits);
# endif

# ifdef ENABLE_QAT_SW_ECDH
int mb_ecdh_compute_key(unsigned char **out, size_t *outlen,
                        const EC_POINT *pub_key, const EC_KEY *ecdh);
int mb_ecdh_generate_key(EC_KEY *ecdh);
void process_ecdh_keygen_reqs(mb_thread_data *tlv, int bits);
void process_ecdh_compute_reqs(mb_thread_data *tlv, int bits);
# endif

#endif /* QAT_SW_EC_H */
