#ifndef SLEEP_H
#define SLEEP_H
// TODO implement SLEEP
/*metadata.key
metadata.signatures
metadata.bitfield
metadata.tree
metadata.data
content.key
content.signatures
content.bitfield
content.tree*/
#include "key.h"
#include <stdint.h>
#include <stddef.h>
// test
#include <assert.h>

#define SLEEP_HEADER_SIZE	32u

#define SLEEP_ALGO_BLAKE2B	"BLAKE2b"
#define SLEEP_ALGO_ED25519	"Ed25519"

typedef struct sleep_header {
	uint32_t	magic_be;
	uint8_t	version;
	uint16_t	entry_size_be;
	uint8_t	algo_len;
	char	algo[24];
} sleep_header_t;

// crypto helpers
#ifdef SLEEP_SALT
int sleep_gen_ed25519(uint8_t pubkey[32], uint8_t seckey[64]);
// sign
int sleep_sign_ed25519(const uint8_t *msg, size_t msglen,
		       const uint8_t seckey[64], uint8_t sig_out[64]);
// verify
int sleep_verify_ed25519(const uint8_t *msg, size_t msglen,
			 const uint8_t pubkey[32], const uint8_t sig[64]);
// discovery
int sleep_compute_discovery_key(const uint8_t pubkey[32], uint8_t out32[32]);
#endif /* SLEEP_SALT */

// function decs


#endif /* SLEEP_H */