2014-08-13 10:38:35 +00:00
|
|
|
// Copyright (c) 2012-2014, The CryptoNote developers, The Bytecoin developers
|
|
|
|
//
|
|
|
|
// This file is part of Bytecoin.
|
|
|
|
//
|
|
|
|
// Bytecoin is free software: you can redistribute it and/or modify
|
|
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
|
|
// (at your option) any later version.
|
|
|
|
//
|
|
|
|
// Bytecoin is distributed in the hope that it will be useful,
|
|
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
// GNU Lesser General Public License for more details.
|
|
|
|
//
|
|
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
|
|
// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
|
2014-03-03 22:07:58 +00:00
|
|
|
|
2013-11-14 22:28:17 +00:00
|
|
|
#pragma once
|
|
|
|
|
|
|
|
/* From fe.h */
|
|
|
|
|
|
|
|
typedef int32_t fe[10];
|
|
|
|
|
|
|
|
/* From ge.h */
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
fe X;
|
|
|
|
fe Y;
|
|
|
|
fe Z;
|
|
|
|
} ge_p2;
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
fe X;
|
|
|
|
fe Y;
|
|
|
|
fe Z;
|
|
|
|
fe T;
|
|
|
|
} ge_p3;
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
fe X;
|
|
|
|
fe Y;
|
|
|
|
fe Z;
|
|
|
|
fe T;
|
|
|
|
} ge_p1p1;
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
fe yplusx;
|
|
|
|
fe yminusx;
|
|
|
|
fe xy2d;
|
|
|
|
} ge_precomp;
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
fe YplusX;
|
|
|
|
fe YminusX;
|
|
|
|
fe Z;
|
|
|
|
fe T2d;
|
|
|
|
} ge_cached;
|
|
|
|
|
|
|
|
/* From ge_add.c */
|
|
|
|
|
|
|
|
void ge_add(ge_p1p1 *, const ge_p3 *, const ge_cached *);
|
|
|
|
|
|
|
|
/* From ge_double_scalarmult.c, modified */
|
|
|
|
|
|
|
|
typedef ge_cached ge_dsmp[8];
|
|
|
|
extern const ge_precomp ge_Bi[8];
|
|
|
|
void ge_dsm_precomp(ge_dsmp r, const ge_p3 *s);
|
|
|
|
void ge_double_scalarmult_base_vartime(ge_p2 *, const unsigned char *, const ge_p3 *, const unsigned char *);
|
|
|
|
|
|
|
|
/* From ge_frombytes.c, modified */
|
|
|
|
|
|
|
|
extern const fe fe_sqrtm1;
|
|
|
|
extern const fe fe_d;
|
|
|
|
int ge_frombytes_vartime(ge_p3 *, const unsigned char *);
|
|
|
|
|
|
|
|
/* From ge_p1p1_to_p2.c */
|
|
|
|
|
|
|
|
void ge_p1p1_to_p2(ge_p2 *, const ge_p1p1 *);
|
|
|
|
|
|
|
|
/* From ge_p1p1_to_p3.c */
|
|
|
|
|
|
|
|
void ge_p1p1_to_p3(ge_p3 *, const ge_p1p1 *);
|
|
|
|
|
|
|
|
/* From ge_p2_dbl.c */
|
|
|
|
|
|
|
|
void ge_p2_dbl(ge_p1p1 *, const ge_p2 *);
|
|
|
|
|
|
|
|
/* From ge_p3_to_cached.c */
|
|
|
|
|
|
|
|
extern const fe fe_d2;
|
|
|
|
void ge_p3_to_cached(ge_cached *, const ge_p3 *);
|
|
|
|
|
|
|
|
/* From ge_p3_to_p2.c */
|
|
|
|
|
|
|
|
void ge_p3_to_p2(ge_p2 *, const ge_p3 *);
|
|
|
|
|
|
|
|
/* From ge_p3_tobytes.c */
|
|
|
|
|
|
|
|
void ge_p3_tobytes(unsigned char *, const ge_p3 *);
|
|
|
|
|
|
|
|
/* From ge_scalarmult_base.c */
|
|
|
|
|
|
|
|
extern const ge_precomp ge_base[32][8];
|
|
|
|
void ge_scalarmult_base(ge_p3 *, const unsigned char *);
|
|
|
|
|
|
|
|
/* From ge_tobytes.c */
|
|
|
|
|
|
|
|
void ge_tobytes(unsigned char *, const ge_p2 *);
|
|
|
|
|
|
|
|
/* From sc_reduce.c */
|
|
|
|
|
|
|
|
void sc_reduce(unsigned char *);
|
|
|
|
|
|
|
|
/* New code */
|
|
|
|
|
|
|
|
void ge_scalarmult(ge_p2 *, const unsigned char *, const ge_p3 *);
|
|
|
|
void ge_double_scalarmult_precomp_vartime(ge_p2 *, const unsigned char *, const ge_p3 *, const unsigned char *, const ge_dsmp);
|
|
|
|
void ge_mul8(ge_p1p1 *, const ge_p2 *);
|
|
|
|
extern const fe fe_ma2;
|
|
|
|
extern const fe fe_ma;
|
|
|
|
extern const fe fe_fffb1;
|
|
|
|
extern const fe fe_fffb2;
|
|
|
|
extern const fe fe_fffb3;
|
|
|
|
extern const fe fe_fffb4;
|
|
|
|
void ge_fromfe_frombytes_vartime(ge_p2 *, const unsigned char *);
|
|
|
|
void sc_0(unsigned char *);
|
|
|
|
void sc_reduce32(unsigned char *);
|
|
|
|
void sc_add(unsigned char *, const unsigned char *, const unsigned char *);
|
|
|
|
void sc_sub(unsigned char *, const unsigned char *, const unsigned char *);
|
|
|
|
void sc_mulsub(unsigned char *, const unsigned char *, const unsigned char *, const unsigned char *);
|
|
|
|
int sc_check(const unsigned char *);
|
2014-03-03 22:07:58 +00:00
|
|
|
int sc_isnonzero(const unsigned char *); /* Doesn't normalize */
|