#ifndef iotelic_keypair_H
#define iotelic_keypair_H

#include "keystorage_slots.h"

typedef enum {
    KEYPAIR_ERROR_GENERAL = -1,
    KEYPAIR_ERROR_PARAMS = -2,
} KEYPAIR_RESULT;

typedef enum {
    KEYPAIR_INVALID = -1,
    KEYPAIR_EC_SECP192R1 =1,    ///< 192-bits NIST curve
    KEYPAIR_EC_SECP224R1,       ///< 224-bits NIST curve
    KEYPAIR_EC_SECP256R1,       ///< 256-bits NIST curve
    KEYPAIR_EC_SECP384R1,       ///< 384-bits NIST curve
    KEYPAIR_EC_SECP521R1,       ///< 521-bits NIST curve
    KEYPAIR_EC_SECP192K1,       ///< 192-bits "Koblitz" curve
    KEYPAIR_EC_SECP224K1,       ///< 224-bits "Koblitz" curve
    KEYPAIR_EC_SECP256K1,       ///< 256-bits "Koblitz" curve
    KEYPAIR_EC_CURVE25519,      ///< Curve25519
    KEYPAIR_EC_ED25519,         ///< Ed25519
    KEYPAIR_RSA_2048,           ///< RSA 2048 bit (not recommended)
    KEYPAIR_RSA_3072,           ///< RSA 3072 bit
    KEYPAIR_RSA_4096,           ///< RSA 4096 bit
    KEYPAIR_MAX
} KEYPAIR_TYPE;

#ifdef __cplusplus
extern "C" {
#endif

int
keypair_create(KEYSTORAGE_SLOT slot, KEYPAIR_TYPE keypair_type);

int
keypair_get_pubkey(KEYSTORAGE_SLOT slot, uint8_t * buf, size_t buf_sz, size_t * key_sz, KEYPAIR_TYPE * keypair_type);

const char *
keypair_name(KEYPAIR_TYPE keypair_type);

#ifdef __cplusplus
}
#endif

#endif // iotelic_keypair