Added signature functions
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SChernykh
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7bfb801ce2
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8458b4ee39
11 changed files with 5089 additions and 7 deletions
173
src/base/tools/cryptonote/crypto-ops.h
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173
src/base/tools/cryptonote/crypto-ops.h
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// Copyright (c) 2014-2020, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* From fe.h */
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typedef int32_t fe[10];
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/* From ge.h */
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typedef struct {
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fe X;
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fe Y;
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fe Z;
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} ge_p2;
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typedef struct {
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fe X;
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fe Y;
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fe Z;
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fe T;
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} ge_p3;
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typedef struct {
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fe X;
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fe Y;
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fe Z;
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fe T;
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} ge_p1p1;
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typedef struct {
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fe yplusx;
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fe yminusx;
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fe xy2d;
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} ge_precomp;
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typedef struct {
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fe YplusX;
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fe YminusX;
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fe Z;
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fe T2d;
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} ge_cached;
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/* From ge_add.c */
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void ge_add(ge_p1p1 *, const ge_p3 *, const ge_cached *);
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/* From ge_double_scalarmult.c, modified */
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typedef ge_cached ge_dsmp[8];
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extern const ge_precomp ge_Bi[8];
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void ge_dsm_precomp(ge_dsmp r, const ge_p3 *s);
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void ge_double_scalarmult_base_vartime(ge_p2 *, const unsigned char *, const ge_p3 *, const unsigned char *);
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void ge_triple_scalarmult_base_vartime(ge_p2 *, const unsigned char *, const unsigned char *, const ge_dsmp, const unsigned char *, const ge_dsmp);
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void ge_double_scalarmult_base_vartime_p3(ge_p3 *, const unsigned char *, const ge_p3 *, const unsigned char *);
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/* From ge_frombytes.c, modified */
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extern const fe fe_sqrtm1;
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extern const fe fe_d;
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int ge_frombytes_vartime(ge_p3 *, const unsigned char *);
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/* From ge_p1p1_to_p2.c */
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void ge_p1p1_to_p2(ge_p2 *, const ge_p1p1 *);
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/* From ge_p1p1_to_p3.c */
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void ge_p1p1_to_p3(ge_p3 *, const ge_p1p1 *);
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/* From ge_p2_dbl.c */
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void ge_p2_dbl(ge_p1p1 *, const ge_p2 *);
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/* From ge_p3_to_cached.c */
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extern const fe fe_d2;
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void ge_p3_to_cached(ge_cached *, const ge_p3 *);
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/* From ge_p3_to_p2.c */
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void ge_p3_to_p2(ge_p2 *, const ge_p3 *);
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/* From ge_p3_tobytes.c */
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void ge_p3_tobytes(unsigned char *, const ge_p3 *);
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/* From ge_scalarmult_base.c */
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extern const ge_precomp ge_base[32][8];
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void ge_scalarmult_base(ge_p3 *, const unsigned char *);
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/* From ge_tobytes.c */
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void ge_tobytes(unsigned char *, const ge_p2 *);
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/* From sc_reduce.c */
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void sc_reduce(unsigned char *);
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/* New code */
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void ge_scalarmult(ge_p2 *, const unsigned char *, const ge_p3 *);
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void ge_scalarmult_p3(ge_p3 *, const unsigned char *, const ge_p3 *);
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void ge_double_scalarmult_precomp_vartime(ge_p2 *, const unsigned char *, const ge_p3 *, const unsigned char *, const ge_dsmp);
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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);
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void ge_double_scalarmult_precomp_vartime2(ge_p2 *, const unsigned char *, const ge_dsmp, const unsigned char *, const ge_dsmp);
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void ge_double_scalarmult_precomp_vartime2_p3(ge_p3 *, const unsigned char *, const ge_dsmp, const unsigned char *, const ge_dsmp);
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void ge_mul8(ge_p1p1 *, const ge_p2 *);
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extern const fe fe_ma2;
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extern const fe fe_ma;
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extern const fe fe_fffb1;
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extern const fe fe_fffb2;
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extern const fe fe_fffb3;
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extern const fe fe_fffb4;
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extern const ge_p3 ge_p3_identity;
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extern const ge_p3 ge_p3_H;
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void ge_fromfe_frombytes_vartime(ge_p2 *, const unsigned char *);
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void sc_0(unsigned char *);
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void sc_reduce32(unsigned char *);
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void sc_add(unsigned char *, const unsigned char *, const unsigned char *);
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void sc_sub(unsigned char *, const unsigned char *, const unsigned char *);
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void sc_mulsub(unsigned char *, const unsigned char *, const unsigned char *, const unsigned char *);
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void sc_mul(unsigned char *, const unsigned char *, const unsigned char *);
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void sc_muladd(unsigned char *s, const unsigned char *a, const unsigned char *b, const unsigned char *c);
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int sc_check(const unsigned char *);
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int sc_isnonzero(const unsigned char *); /* Doesn't normalize */
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// internal
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uint64_t load_3(const unsigned char *in);
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uint64_t load_4(const unsigned char *in);
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void ge_sub(ge_p1p1 *r, const ge_p3 *p, const ge_cached *q);
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void fe_add(fe h, const fe f, const fe g);
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void fe_tobytes(unsigned char *, const fe);
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void fe_invert(fe out, const fe z);
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int ge_p3_is_point_at_infinity(const ge_p3 *p);
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#ifdef __cplusplus
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}
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#endif
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