mirror of
https://github.com/monero-project/monero.git
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moved all stuff to github
This commit is contained in:
Antonio Juarez
parent
095fbeeb67
commit
296ae46ed8
388 changed files with 95937 additions and 469 deletions
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@ -1,8 +1,15 @@
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// Copyright (c) 2012-2013 The Cryptonote developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <assert.h>
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#include <stdint.h>
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#include "warnings.h"
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#include "crypto-ops.h"
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DISABLE_VS_WARNINGS(4146 4244)
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/* Predeclarations */
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static void fe_mul(fe, const fe, const fe);
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@ -232,28 +239,53 @@ static void fe_invert(fe out, const fe z) {
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fe t3;
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int i;
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fe_sq(t0,z); for (i = 1;i < 1;++i) fe_sq(t0,t0);
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fe_sq(t1,t0); for (i = 1;i < 2;++i) fe_sq(t1,t1);
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fe_mul(t1,z,t1);
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fe_mul(t0,t0,t1);
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fe_sq(t2,t0); for (i = 1;i < 1;++i) fe_sq(t2,t2);
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fe_mul(t1,t1,t2);
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fe_sq(t2,t1); for (i = 1;i < 5;++i) fe_sq(t2,t2);
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fe_mul(t1,t2,t1);
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fe_sq(t2,t1); for (i = 1;i < 10;++i) fe_sq(t2,t2);
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fe_mul(t2,t2,t1);
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fe_sq(t3,t2); for (i = 1;i < 20;++i) fe_sq(t3,t3);
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fe_mul(t2,t3,t2);
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fe_sq(t2,t2); for (i = 1;i < 10;++i) fe_sq(t2,t2);
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fe_mul(t1,t2,t1);
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fe_sq(t2,t1); for (i = 1;i < 50;++i) fe_sq(t2,t2);
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fe_mul(t2,t2,t1);
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fe_sq(t3,t2); for (i = 1;i < 100;++i) fe_sq(t3,t3);
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fe_mul(t2,t3,t2);
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fe_sq(t2,t2); for (i = 1;i < 50;++i) fe_sq(t2,t2);
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fe_mul(t1,t2,t1);
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fe_sq(t1,t1); for (i = 1;i < 5;++i) fe_sq(t1,t1);
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fe_mul(out,t1,t0);
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fe_sq(t0, z);
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fe_sq(t1, t0);
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fe_sq(t1, t1);
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fe_mul(t1, z, t1);
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fe_mul(t0, t0, t1);
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fe_sq(t2, t0);
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fe_mul(t1, t1, t2);
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fe_sq(t2, t1);
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for (i = 0; i < 4; ++i) {
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fe_sq(t2, t2);
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}
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fe_mul(t1, t2, t1);
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fe_sq(t2, t1);
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for (i = 0; i < 9; ++i) {
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fe_sq(t2, t2);
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}
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fe_mul(t2, t2, t1);
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fe_sq(t3, t2);
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for (i = 0; i < 19; ++i) {
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fe_sq(t3, t3);
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}
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fe_mul(t2, t3, t2);
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fe_sq(t2, t2);
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for (i = 0; i < 9; ++i) {
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fe_sq(t2, t2);
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}
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fe_mul(t1, t2, t1);
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fe_sq(t2, t1);
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for (i = 0; i < 49; ++i) {
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fe_sq(t2, t2);
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}
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fe_mul(t2, t2, t1);
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fe_sq(t3, t2);
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for (i = 0; i < 99; ++i) {
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fe_sq(t3, t3);
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}
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fe_mul(t2, t3, t2);
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fe_sq(t2, t2);
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for (i = 0; i < 49; ++i) {
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fe_sq(t2, t2);
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}
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fe_mul(t1, t2, t1);
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fe_sq(t1, t1);
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for (i = 0; i < 4; ++i) {
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fe_sq(t1, t1);
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}
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fe_mul(out, t1, t0);
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return;
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}
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@ -1089,8 +1121,9 @@ static void slide(signed char *r, const unsigned char *a) {
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int b;
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int k;
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for (i = 0; i < 256; ++i)
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for (i = 0; i < 256; ++i) {
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r[i] = 1 & (a[i >> 3] >> (i & 7));
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}
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for (i = 0; i < 256; ++i) {
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if (r[i]) {
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@ -1417,8 +1450,8 @@ void ge_p3_tobytes(unsigned char *s, const ge_p3 *h) {
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fe y;
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fe_invert(recip, h->Z);
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fe_mul(x,h->X, recip);
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fe_mul(y,h->Y, recip);
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fe_mul(x, h->X, recip);
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fe_mul(y, h->Y, recip);
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fe_tobytes(s, y);
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s[31] ^= fe_isnegative(x) << 7;
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}
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@ -1492,7 +1525,7 @@ void ge_scalarmult_base(ge_p3 *h, const unsigned char *a) {
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ge_precomp t;
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int i;
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for (i = 0;i < 32;++i) {
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for (i = 0; i < 32; ++i) {
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e[2 * i + 0] = (a[i] >> 0) & 15;
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e[2 * i + 1] = (a[i] >> 4) & 15;
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}
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@ -1500,7 +1533,7 @@ void ge_scalarmult_base(ge_p3 *h, const unsigned char *a) {
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/* e[63] is between 0 and 7 */
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carry = 0;
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for (i = 0;i < 63;++i) {
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for (i = 0; i < 63; ++i) {
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e[i] += carry;
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carry = e[i] + 8;
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carry >>= 4;
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@ -1510,7 +1543,7 @@ void ge_scalarmult_base(ge_p3 *h, const unsigned char *a) {
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/* each e[i] is between -8 and 8 */
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ge_p3_0(h);
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for (i = 1;i < 64;i += 2) {
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for (i = 1; i < 64; i += 2) {
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select(&t, i / 2, e[i]);
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ge_madd(&r, h, &t); ge_p1p1_to_p3(h, &r);
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}
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@ -1520,7 +1553,7 @@ void ge_scalarmult_base(ge_p3 *h, const unsigned char *a) {
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ge_p2_dbl(&r, &s); ge_p1p1_to_p2(&s, &r);
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ge_p2_dbl(&r, &s); ge_p1p1_to_p3(h, &r);
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for (i = 0;i < 64;i += 2) {
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for (i = 0; i < 64; i += 2) {
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select(&t, i / 2, e[i]);
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ge_madd(&r, h, &t); ge_p1p1_to_p3(h, &r);
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}
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@ -1622,7 +1655,6 @@ void sc_reduce(unsigned char *s) {
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s14 -= s23 * 997805;
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s15 += s23 * 136657;
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s16 -= s23 * 683901;
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s23 = 0;
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s10 += s22 * 666643;
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s11 += s22 * 470296;
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@ -1630,7 +1662,6 @@ void sc_reduce(unsigned char *s) {
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s13 -= s22 * 997805;
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s14 += s22 * 136657;
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s15 -= s22 * 683901;
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s22 = 0;
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s9 += s21 * 666643;
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s10 += s21 * 470296;
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@ -1638,7 +1669,6 @@ void sc_reduce(unsigned char *s) {
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s12 -= s21 * 997805;
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s13 += s21 * 136657;
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s14 -= s21 * 683901;
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s21 = 0;
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s8 += s20 * 666643;
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s9 += s20 * 470296;
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@ -1646,7 +1676,6 @@ void sc_reduce(unsigned char *s) {
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s11 -= s20 * 997805;
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s12 += s20 * 136657;
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s13 -= s20 * 683901;
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s20 = 0;
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s7 += s19 * 666643;
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s8 += s19 * 470296;
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@ -1654,7 +1683,6 @@ void sc_reduce(unsigned char *s) {
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s10 -= s19 * 997805;
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s11 += s19 * 136657;
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s12 -= s19 * 683901;
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s19 = 0;
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s6 += s18 * 666643;
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s7 += s18 * 470296;
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@ -1662,7 +1690,6 @@ void sc_reduce(unsigned char *s) {
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s9 -= s18 * 997805;
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s10 += s18 * 136657;
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s11 -= s18 * 683901;
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s18 = 0;
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carry6 = (s6 + (1<<20)) >> 21; s7 += carry6; s6 -= carry6 << 21;
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carry8 = (s8 + (1<<20)) >> 21; s9 += carry8; s8 -= carry8 << 21;
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@ -1683,7 +1710,6 @@ void sc_reduce(unsigned char *s) {
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s8 -= s17 * 997805;
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s9 += s17 * 136657;
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s10 -= s17 * 683901;
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s17 = 0;
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s4 += s16 * 666643;
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s5 += s16 * 470296;
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@ -1691,7 +1717,6 @@ void sc_reduce(unsigned char *s) {
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s7 -= s16 * 997805;
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s8 += s16 * 136657;
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s9 -= s16 * 683901;
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s16 = 0;
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s3 += s15 * 666643;
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s4 += s15 * 470296;
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@ -1699,7 +1724,6 @@ void sc_reduce(unsigned char *s) {
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s6 -= s15 * 997805;
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s7 += s15 * 136657;
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s8 -= s15 * 683901;
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s15 = 0;
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s2 += s14 * 666643;
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s3 += s14 * 470296;
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@ -1707,7 +1731,6 @@ void sc_reduce(unsigned char *s) {
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s5 -= s14 * 997805;
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s6 += s14 * 136657;
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s7 -= s14 * 683901;
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s14 = 0;
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s1 += s13 * 666643;
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s2 += s13 * 470296;
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@ -1715,7 +1738,6 @@ void sc_reduce(unsigned char *s) {
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s4 -= s13 * 997805;
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s5 += s13 * 136657;
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s6 -= s13 * 683901;
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s13 = 0;
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s0 += s12 * 666643;
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s1 += s12 * 470296;
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@ -1766,7 +1788,6 @@ void sc_reduce(unsigned char *s) {
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s3 -= s12 * 997805;
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s4 += s12 * 136657;
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s5 -= s12 * 683901;
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s12 = 0;
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carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 << 21;
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carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 << 21;
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@ -2196,7 +2217,6 @@ void sc_reduce32(unsigned char *s) {
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s3 -= s12 * 997805;
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s4 += s12 * 136657;
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s5 -= s12 * 683901;
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s12 = 0;
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carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 << 21;
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carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 << 21;
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@ -2336,7 +2356,6 @@ void sc_add(unsigned char *s, const unsigned char *a, const unsigned char *b) {
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s3 -= s12 * 997805;
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s4 += s12 * 136657;
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s5 -= s12 * 683901;
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s12 = 0;
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carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 << 21;
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carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 << 21;
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@ -2476,7 +2495,6 @@ void sc_sub(unsigned char *s, const unsigned char *a, const unsigned char *b) {
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s3 -= s12 * 997805;
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s4 += s12 * 136657;
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s5 -= s12 * 683901;
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s12 = 0;
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carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 << 21;
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carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 << 21;
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@ -2676,7 +2694,6 @@ void sc_mulsub(unsigned char *s, const unsigned char *a, const unsigned char *b,
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s14 -= s23 * 997805;
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s15 += s23 * 136657;
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s16 -= s23 * 683901;
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s23 = 0;
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s10 += s22 * 666643;
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s11 += s22 * 470296;
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@ -2684,7 +2701,6 @@ void sc_mulsub(unsigned char *s, const unsigned char *a, const unsigned char *b,
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s13 -= s22 * 997805;
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s14 += s22 * 136657;
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s15 -= s22 * 683901;
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s22 = 0;
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s9 += s21 * 666643;
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s10 += s21 * 470296;
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@ -2692,7 +2708,6 @@ void sc_mulsub(unsigned char *s, const unsigned char *a, const unsigned char *b,
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s12 -= s21 * 997805;
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s13 += s21 * 136657;
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s14 -= s21 * 683901;
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s21 = 0;
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s8 += s20 * 666643;
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s9 += s20 * 470296;
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@ -2700,7 +2715,6 @@ void sc_mulsub(unsigned char *s, const unsigned char *a, const unsigned char *b,
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s11 -= s20 * 997805;
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s12 += s20 * 136657;
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s13 -= s20 * 683901;
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s20 = 0;
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s7 += s19 * 666643;
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s8 += s19 * 470296;
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@ -2708,7 +2722,6 @@ void sc_mulsub(unsigned char *s, const unsigned char *a, const unsigned char *b,
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s10 -= s19 * 997805;
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s11 += s19 * 136657;
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s12 -= s19 * 683901;
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s19 = 0;
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s6 += s18 * 666643;
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s7 += s18 * 470296;
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@ -2716,7 +2729,6 @@ void sc_mulsub(unsigned char *s, const unsigned char *a, const unsigned char *b,
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s9 -= s18 * 997805;
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s10 += s18 * 136657;
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s11 -= s18 * 683901;
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s18 = 0;
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carry6 = (s6 + (1<<20)) >> 21; s7 += carry6; s6 -= carry6 << 21;
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carry8 = (s8 + (1<<20)) >> 21; s9 += carry8; s8 -= carry8 << 21;
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@ -2737,7 +2749,6 @@ void sc_mulsub(unsigned char *s, const unsigned char *a, const unsigned char *b,
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s8 -= s17 * 997805;
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s9 += s17 * 136657;
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s10 -= s17 * 683901;
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s17 = 0;
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s4 += s16 * 666643;
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s5 += s16 * 470296;
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@ -2745,7 +2756,6 @@ void sc_mulsub(unsigned char *s, const unsigned char *a, const unsigned char *b,
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s7 -= s16 * 997805;
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s8 += s16 * 136657;
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s9 -= s16 * 683901;
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s16 = 0;
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s3 += s15 * 666643;
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s4 += s15 * 470296;
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@ -2753,7 +2763,6 @@ void sc_mulsub(unsigned char *s, const unsigned char *a, const unsigned char *b,
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s6 -= s15 * 997805;
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s7 += s15 * 136657;
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s8 -= s15 * 683901;
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s15 = 0;
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s2 += s14 * 666643;
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s3 += s14 * 470296;
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@ -2761,7 +2770,6 @@ void sc_mulsub(unsigned char *s, const unsigned char *a, const unsigned char *b,
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s5 -= s14 * 997805;
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s6 += s14 * 136657;
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s7 -= s14 * 683901;
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s14 = 0;
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s1 += s13 * 666643;
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s2 += s13 * 470296;
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@ -2769,7 +2777,6 @@ void sc_mulsub(unsigned char *s, const unsigned char *a, const unsigned char *b,
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s4 -= s13 * 997805;
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s5 += s13 * 136657;
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s6 -= s13 * 683901;
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s13 = 0;
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s0 += s12 * 666643;
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s1 += s12 * 470296;
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@ -2820,7 +2827,6 @@ void sc_mulsub(unsigned char *s, const unsigned char *a, const unsigned char *b,
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s3 -= s12 * 997805;
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s4 += s12 * 136657;
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s5 -= s12 * 683901;
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s12 = 0;
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carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 << 21;
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carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 << 21;
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@ -2890,4 +2896,4 @@ int sc_isnonzero(const unsigned char *s) {
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s[9] | s[10] | s[11] | s[12] | s[13] | s[14] | s[15] | s[16] | s[17] |
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s[18] | s[19] | s[20] | s[21] | s[22] | s[23] | s[24] | s[25] | s[26] |
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s[27] | s[28] | s[29] | s[30] | s[31]) - 1) >> 8) + 1;
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}
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}
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