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<?php |
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|
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declare(strict_types=1); |
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|
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/* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2014-2021 Spomky-Labs |
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* |
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* This software may be modified and distributed under the terms |
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* of the MIT license. See the LICENSE file for details. |
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*/ |
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|
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namespace WP_DEFENDER_VENDOR\Cose\Key; |
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|
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use function array_key_exists; |
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use WP_DEFENDER_VENDOR\Assert\Assertion; |
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|
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class OkpKey extends Key |
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{ |
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public const CURVE_X25519 = 4; |
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public const CURVE_X448 = 5; |
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public const CURVE_ED25519 = 6; |
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public const CURVE_ED448 = 7; |
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|
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public const DATA_CURVE = -1; |
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public const DATA_X = -2; |
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public const DATA_D = -4; |
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|
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private const SUPPORTED_CURVES = [ |
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self::CURVE_X25519, |
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self::CURVE_X448, |
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self::CURVE_ED25519, |
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self::CURVE_ED448, |
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]; |
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|
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public function __construct(array $data) |
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{ |
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parent::__construct($data); |
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Assertion::eq($data[self::TYPE], self::TYPE_OKP, 'Invalid OKP key. The key type does not correspond to an OKP key'); |
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Assertion::keyExists($data, self::DATA_CURVE, 'Invalid EC2 key. The curve is missing'); |
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Assertion::keyExists($data, self::DATA_X, 'Invalid OKP key. The x coordinate is missing'); |
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Assertion::inArray((int) $data[self::DATA_CURVE], self::SUPPORTED_CURVES, 'The curve is not supported'); |
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} |
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|
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public function x(): string |
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{ |
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return $this->get(self::DATA_X); |
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} |
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|
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public function isPrivate(): bool |
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{ |
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return array_key_exists(self::DATA_D, $this->getData()); |
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} |
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|
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public function d(): string |
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{ |
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Assertion::true($this->isPrivate(), 'The key is not private'); |
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|
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return $this->get(self::DATA_D); |
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} |
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|
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public function curve(): int |
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{ |
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return (int) $this->get(self::DATA_CURVE); |
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} |
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} |
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|
