#ifndef __NCRYPT_H__
#define __NCRYPT_H__

#include <linux/ncr.h>

#define NCR_DATA_GET_LAST	1
//#define NCR_DATA_SET_APPEND	1
#define NCR_SESSION_FINAL	1

//struct ncr_key_generate_params_st;
typedef struct ncr_key_generate_params_st *ncr_key_generate_params_t;
//struct ncr_key_params_st;
typedef struct ncr_key_params_st *ncr_key_params_t;

int ncr_global_init(unsigned int flags);
void ncr_global_deinit(void);

int ncr_key_generate_params_init(ncr_key_generate_params_t *params);
int ncr_key_generate_params_deinit(ncr_key_generate_params_t params);
int ncr_key_generate_params_set_algorithm(ncr_key_generate_params_t params, ncr_algorithm_t algorithm);
int ncr_key_generate_params_set_keyflags(ncr_key_generate_params_t params, unsigned int keyflags);
int ncr_key_generate_params_set_secret_bits(ncr_key_generate_params_t params, unsigned int bits);
int ncr_key_generate_params_set_rsa_bits(ncr_key_generate_params_t params, unsigned int bits);
int ncr_key_generate_params_set_rsa_e(ncr_key_generate_params_t params, void *e, size_t e_size);
int ncr_key_generate_params_set_dsa_p_bits(ncr_key_generate_params_t params, unsigned int p_bits);
int ncr_key_generate_params_set_dsa_q_bits(ncr_key_generate_params_t params, unsigned int q_bits);
int ncr_key_generate_params_set_dh(ncr_key_generate_params_t params, void *p, size_t p_size, void *g, size_t g_size);

int ncr_key_init(ncr_key_t *key);
int ncr_key_generate(ncr_key_t key, ncr_key_generate_params_t params);
int ncr_key_generate_pair(ncr_key_t key1, ncr_key_t key2, ncr_key_generate_params_t params);
int ncr_key_derive(ncr_key_t newkey, unsigned int keyflags, ncr_key_t key, ncr_derive_t derive, ncr_key_params_t key_params);
ncr_algorithm_t ncr_key_get_algorithm(ncr_key_t key);
int ncr_key_get_flags(ncr_key_t key);
ncr_key_type_t ncr_key_get_type(ncr_key_t key);
int ncr_key_get_id(ncr_key_t key, void *id, size_t *id_size);
int ncr_key_export(ncr_key_t key, void *idata, size_t idata_size);
int ncr_key_import(ncr_key_t key, void *idata, size_t idata_size, void *id, size_t id_size, ncr_algorithm_t algorithm, unsigned int type, unsigned int flags);
int ncr_key_wrap(ncr_key_t key, ncr_wrap_algorithm_t algorithm, ncr_key_params_t params, ncr_key_t keytowrap, void *idata, size_t idata_size);
int ncr_key_unwrap(ncr_key_t key, ncr_wrap_algorithm_t algorithm, ncr_key_params_t params, ncr_key_t keytowrap, void *idata, size_t idata_size);
int ncr_key_storage_wrap(ncr_key_t keytowrap, void *idata, size_t idata_size);
int ncr_key_storage_unwrap(ncr_key_t keytowrap, void *idata, size_t idata_size);
int ncr_key_deinit(ncr_key_t key);

int ncr_masterkey_set(void *key, size_t key_size);

int ncr_key_params_init(ncr_key_params_t *key_params);
void ncr_key_params_deinit(ncr_key_params_t key_params);
int ncr_key_params_set_cipher_iv(ncr_key_params_t key_params, void* iv, unsigned int iv_size);
int ncr_key_params_set_dh_pub(ncr_key_params_t params, void *pub, size_t pub_size);
int ncr_key_params_set_rsa_type(ncr_key_params_t params, ncr_rsa_type_t type);
int ncr_key_params_set_rsa_oaep_hash(ncr_key_params_t params, ncr_algorithm_t oaep_hash);
int ncr_key_params_set_rsa_sign_hash(ncr_key_params_t params, ncr_algorithm_t sign_hash);
int ncr_key_params_set_rsa_pss_salt(ncr_key_params_t params, unsigned int pss_salt);
int ncr_key_params_set_dsa_sign_hash(ncr_key_params_t params, ncr_algorithm_t sign_hash);

int ncr_session_once_key_data(ncr_key_t key, ncr_key_params_t params, ncr_crypto_op_t op, ncr_algorithm_t algorithm, ncr_key_t input, void *output, size_t output_size);
int ncr_session_once_direct_data(ncr_key_t key, ncr_key_params_t params, ncr_crypto_op_t op, ncr_algorithm_t algorithm, void *input, size_t input_size, void *output, size_t output_size);
int ncr_session_init(ncr_session_t *session, ncr_key_t key, ncr_key_params_t key_params, ncr_crypto_op_t op, ncr_algorithm_t algorithm);
int ncr_session_update_key_data(ncr_session_t session, ncr_key_t input, void *output, size_t output_size);
int ncr_session_update_direct_data(ncr_session_t session, void *input, size_t input_size, void *output, size_t output_size);
int ncr_session_final(ncr_session_t session, void *output, size_t output_size);

#endif