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/* $OpenBSD: ge25519.h,v 1.3 2013/12/09 11:03:45 markus Exp $ */
/*
* Public Domain, Authors: Daniel J. Bernstein, Niels Duif, Tanja Lange,
* Peter Schwabe, Bo-Yin Yang.
* Copied from supercop-20130419/crypto_sign/ed25519/ref/ge25519.h
*/
#ifndef GE25519_H
#define GE25519_H
#include "fe25519.h"
#include "sc25519.h"
#define ge25519 crypto_sign_ed25519_ref_ge25519
#define ge25519_base crypto_sign_ed25519_ref_ge25519_base
#define ge25519_unpackneg_vartime crypto_sign_ed25519_ref_unpackneg_vartime
#define ge25519_pack crypto_sign_ed25519_ref_pack
#define ge25519_isneutral_vartime crypto_sign_ed25519_ref_isneutral_vartime
#define ge25519_double_scalarmult_vartime crypto_sign_ed25519_ref_double_scalarmult_vartime
#define ge25519_scalarmult_base crypto_sign_ed25519_ref_scalarmult_base
typedef struct
{
fe25519 x;
fe25519 y;
fe25519 z;
fe25519 t;
} ge25519;
const ge25519 ge25519_base;
int ge25519_unpackneg_vartime(ge25519 *r, const unsigned char p[32]);
void ge25519_pack(unsigned char r[32], const ge25519 *p);
int ge25519_isneutral_vartime(const ge25519 *p);
void ge25519_double_scalarmult_vartime(ge25519 *r, const ge25519 *p1, const sc25519 *s1, const ge25519 *p2, const sc25519 *s2);
void ge25519_scalarmult_base(ge25519 *r, const sc25519 *s);
#endif
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