#ifndef iotelic_kdf_H
#define iotelic_kdf_H

#include <stdint.h>
#include "hash.h"

typedef enum {
    KDF_INVALID = -1,
    KDF_2 = 0,
} KDF_TYPE;

typedef enum {
    KDF_ERROR_GENERAL = -1,
} KDF_RESULT;

#ifdef __cplusplus
extern "C" {
#endif

int
kdf(KDF_TYPE kdf_type,
    HASH_TYPE hash_type,
    const uint8_t *  input, size_t input_sz,
    uint8_t * output, size_t output_sz);

int
hkdf(HASH_TYPE hash_type,
     const uint8_t *  input, size_t input_sz,
     const uint8_t *  salt, size_t salt_sz,
     const uint8_t *  info, size_t info_sz,
     uint8_t * output, size_t output_sz);

#ifdef __cplusplus
}
#endif

#endif // iotelic_kdf_H