Coverage Summary for Class: BN128Pair (co.rsk.crypto.altbn128java)
Class |
Class, %
|
Method, %
|
Line, %
|
BN128Pair |
0%
(0/1)
|
0%
(0/5)
|
0%
(0/9)
|
1 /*
2 * This file is part of RskJ
3 * Copyright (C) 2019 RSK Labs Ltd.
4 * (derived from ethereumJ library, Copyright (c) 2016 <ether.camp>)
5 *
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20
21 package co.rsk.crypto.altbn128java;
22
23 public class BN128Pair {
24
25 private BN128G1 g1;
26 private BN128G2 g2;
27
28 public static BN128Pair of(BN128G1 g1, BN128G2 g2) {
29 return new BN128Pair(g1, g2);
30 }
31
32 BN128Pair(BN128G1 g1, BN128G2 g2) {
33 this.g1 = g1;
34 this.g2 = g2;
35 }
36
37 public BN128G1 getG1() {
38 return g1;
39 }
40
41 public BN128G2 getG2() {
42 return g2;
43 }
44
45 Fp12 millerLoop() {
46
47 // miller loop result equals "1" if at least one of the points is zero
48 if (g1.isZero()) {return Fp12._1;}
49 if (g2.isZero()) {return Fp12._1;}
50
51 return PairingCheck.millerLoop(g1, g2);
52 }
53 }