forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
165 lines
5.4 KiB
165 lines
5.4 KiB
// Copyright (c) 2014-2020, The Monero Project |
|
// |
|
// All rights reserved. |
|
// |
|
// Redistribution and use in source and binary forms, with or without modification, are |
|
// permitted provided that the following conditions are met: |
|
// |
|
// 1. Redistributions of source code must retain the above copyright notice, this list of |
|
// conditions and the following disclaimer. |
|
// |
|
// 2. Redistributions in binary form must reproduce the above copyright notice, this list |
|
// of conditions and the following disclaimer in the documentation and/or other |
|
// materials provided with the distribution. |
|
// |
|
// 3. Neither the name of the copyright holder nor the names of its contributors may be |
|
// used to endorse or promote products derived from this software without specific |
|
// prior written permission. |
|
// |
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY |
|
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
|
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
|
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
|
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF |
|
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
// |
|
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers |
|
|
|
#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 *); |
|
void ge_triple_scalarmult_base_vartime(ge_p2 *, const unsigned char *, const unsigned char *, const ge_dsmp, const unsigned char *, const ge_dsmp); |
|
void ge_double_scalarmult_base_vartime_p3(ge_p3 *, 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_scalarmult_p3(ge_p3 *, 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_triple_scalarmult_precomp_vartime(ge_p2 *, const unsigned char *, const ge_dsmp, const unsigned char *, const ge_dsmp, const unsigned char *, const ge_dsmp); |
|
void ge_double_scalarmult_precomp_vartime2(ge_p2 *, const unsigned char *, const ge_dsmp, const unsigned char *, const ge_dsmp); |
|
void ge_double_scalarmult_precomp_vartime2_p3(ge_p3 *, const unsigned char *, const ge_dsmp, 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; |
|
extern const ge_p3 ge_p3_identity; |
|
extern const ge_p3 ge_p3_H; |
|
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 *); |
|
void sc_mul(unsigned char *, const unsigned char *, const unsigned char *); |
|
void sc_muladd(unsigned char *s, const unsigned char *a, const unsigned char *b, const unsigned char *c); |
|
int sc_check(const unsigned char *); |
|
int sc_isnonzero(const unsigned char *); /* Doesn't normalize */ |
|
|
|
// internal |
|
uint64_t load_3(const unsigned char *in); |
|
uint64_t load_4(const unsigned char *in); |
|
void ge_sub(ge_p1p1 *r, const ge_p3 *p, const ge_cached *q); |
|
void fe_add(fe h, const fe f, const fe g); |
|
void fe_tobytes(unsigned char *, const fe); |
|
void fe_invert(fe out, const fe z); |
|
|
|
int ge_p3_is_point_at_infinity(const ge_p3 *p);
|
|
|