#ifndef ED25519_H
#define ED25519_H

// Nightcracker's Ed25519 -  https://github.com/orlp/ed25519

#include <stddef.h>
#include "meshcore/packetstructs.h"

#ifdef __cplusplus
extern "C" {
#endif


void ed25519_create_keypair(unsigned char *public_key, unsigned char *private_key, const unsigned char *seed);
void ed25519_derive_pub(unsigned char *public_key, const unsigned char *private_key);
void ed25519_sign(unsigned char *signature, const unsigned char *message, size_t message_len, const unsigned char *public_key, const unsigned char *private_key);
void ed25519_sign_ad(FrameStruct *frame);
int ed25519_verify(const unsigned char *signature, const unsigned char *message, size_t message_len, const unsigned char *public_key);
int ed25519_verify_ad(const FrameStruct *frame);
void ed25519_add_scalar(unsigned char *public_key, unsigned char *private_key, const unsigned char *scalar);
void ed25519_key_exchange(unsigned char *shared_secret, const unsigned char *public_key, const unsigned char *private_key);


#ifdef __cplusplus
}
#endif

#endif