16238255757

Committed 12 Jul 2025 01:00PM UTC coverage: 84.857% (-6.3%) from 91.134%

Build # 16238255757

Build Type

Pull #12

github

Committed by

web-flow

Commit Message

Merge 97611838a into 5ce1049c0

Pull Request Pull Request #12: WIP: Add montgomery

Run Details

270 of 376 new or added lines in 17 files covered. (71.81%)

2 existing lines in 1 file now uncovered.

947 of 1116 relevant lines covered (84.86%)

23.02 hits per line

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0.0

/src/Math/Calculator/TE_ANeg1_Calculator.php

<?php

namespace Famoser\Elliptic\Math\Calculator;

use Famoser\Elliptic\Math\Calculator\Adder\SW_ANeg3_Jacobi_Adder;
use Famoser\Elliptic\Math\Calculator\Adder\TE_ANeg1_Extended_Adder;
use Famoser\Elliptic\Math\Calculator\Coordinator\ExtendedCoordinator;
use Famoser\Elliptic\Math\Calculator\Coordinator\JacobiCoordinator;
use Famoser\Elliptic\Math\Calculator\Multiplicator\DoubleAndAddAlwaysMultiplicator;
use Famoser\Elliptic\Math\Calculator\Swapper\ExtendedSwapper;
use Famoser\Elliptic\Math\Calculator\Swapper\JacobiSwapper;
use Famoser\Elliptic\Math\Primitives\ExtendedCoordinates;
use Famoser\Elliptic\Math\Primitives\JacobiPoint;
use Famoser\Elliptic\Primitives\Curve;
use Famoser\Elliptic\Primitives\CurveType;

/**
 * Calculator for twisted edwards curves with A = -1 mod p
 */
class TE_ANeg1_Calculator extends AbstractCalculator
{
    use ExtendedCoordinator;
    use TE_ANeg1_Extended_Adder;
    use ExtendedSwapper;
    /** @use DoubleAndAddAlwaysMultiplicator<ExtendedCoordinates> */
    use DoubleAndAddAlwaysMultiplicator;

    public function __construct(Curve $curve)
    {
        parent::__construct($curve);

        // check allowed to use this calculator
        $check = $curve->getType() === CurveType::TwistedEdwards;
        $check &= gmp_cmp($curve->getA(), gmp_sub($curve->getP(), 1)) === 0;
        if (!$check) {
            throw new \AssertionError('Cannot use this calculator with the chosen curve.');
        }
    }
}

1	<?php
2
3	namespace Famoser\Elliptic\Math\Calculator;
4
5	use Famoser\Elliptic\Math\Calculator\Adder\SW_ANeg3_Jacobi_Adder;
6	use Famoser\Elliptic\Math\Calculator\Adder\TE_ANeg1_Extended_Adder;
7	use Famoser\Elliptic\Math\Calculator\Coordinator\ExtendedCoordinator;
8	use Famoser\Elliptic\Math\Calculator\Coordinator\JacobiCoordinator;
9	use Famoser\Elliptic\Math\Calculator\Multiplicator\DoubleAndAddAlwaysMultiplicator;
10	use Famoser\Elliptic\Math\Calculator\Swapper\ExtendedSwapper;
11	use Famoser\Elliptic\Math\Calculator\Swapper\JacobiSwapper;
12	use Famoser\Elliptic\Math\Primitives\ExtendedCoordinates;
13	use Famoser\Elliptic\Math\Primitives\JacobiPoint;
14	use Famoser\Elliptic\Primitives\Curve;
15	use Famoser\Elliptic\Primitives\CurveType;
16
17	/**
18	* Calculator for twisted edwards curves with A = -1 mod p
19	*/
20	class TE_ANeg1_Calculator extends AbstractCalculator
21	{
22	use ExtendedCoordinator;
23	use TE_ANeg1_Extended_Adder;
24	use ExtendedSwapper;
25	/** @use DoubleAndAddAlwaysMultiplicator<ExtendedCoordinates> */
26	use DoubleAndAddAlwaysMultiplicator;
27
NEW 28	public function __construct(Curve $curve)	×
29	{
NEW 30	parent::__construct($curve);	×
31
32	// check allowed to use this calculator
NEW 33	$check = $curve->getType() === CurveType::TwistedEdwards;	×
NEW 34	$check &= gmp_cmp($curve->getA(), gmp_sub($curve->getP(), 1)) === 0;	×
NEW 35	if (!$check) {	×
NEW 36	throw new \AssertionError('Cannot use this calculator with the chosen curve.');	×
37	}
38	}
39	}

famoser / elliptic / 16238255757

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