#ifndef ED25519_H
#define ED25519_H

#include <stdlib.h>

typedef unsigned char ed25519_signature[64];
typedef unsigned char ed25519_public_key[32];
typedef unsigned char ed25519_secret_key[32];

typedef unsigned char curved25519_key[32];

void ed25519_publickey(const ed25519_secret_key sk, ed25519_public_key pk);
int ed25519_sign_open(const unsigned char *m, size_t mlen, const ed25519_public_key pk, const ed25519_signature RS);
void ed25519_sign(const unsigned char *m, size_t mlen, const ed25519_secret_key sk, const ed25519_public_key pk, ed25519_signature RS);

int ed25519_sign_open_batch(const unsigned char **m, size_t *mlen, const unsigned char **pk, const unsigned char **RS, size_t num, int *valid);

void ed25519_randombytes_unsafe(void *out, size_t count);

void curved25519_scalarmult_basepoint(curved25519_key pk, const curved25519_key e);

#if defined(ED25519_SSE2)
void ed25519_publickey_sse2(const ed25519_secret_key sk, ed25519_public_key pk);
int ed25519_sign_open_sse2(const unsigned char *m, size_t mlen, const ed25519_public_key pk, const ed25519_signature RS);
void ed25519_sign_sse2(const unsigned char *m, size_t mlen, const ed25519_secret_key sk, const ed25519_public_key pk, ed25519_signature RS);

int ed25519_sign_open_batch_sse2(const unsigned char **m, size_t *mlen, const unsigned char **pk, const unsigned char **RS, size_t num, int *valid);

void ed25519_randombytes_unsafe_sse2(void *out, size_t count);

void curved25519_scalarmult_basepoint_sse2(curved25519_key pk, const curved25519_key e);
#endif

#endif // ED25519_H