Файловый менеджер

Файловый менеджер - Редактировать - /home/pimjdymy/public_html/safrandsi/vendor/web-auth/webauthn-lib/src/Util/CoseSignatureFixer.php

Назад
<?php declare(strict_types=1); namespace Webauthn\Util; use Cose\Algorithm\Signature\ECDSA; use Cose\Algorithm\Signature\ECDSA\ECSignature; use Cose\Algorithm\Signature\ECDSA\ES256; use Cose\Algorithm\Signature\ECDSA\ES256K; use Cose\Algorithm\Signature\ECDSA\ES384; use Cose\Algorithm\Signature\ECDSA\ES512; use Cose\Algorithm\Signature\Signature; /** * This class fixes the signature of the ECDSA based algorithms. * * @internal * * @see https://www.w3.org/TR/webauthn/#signature-attestation-types */ abstract class CoseSignatureFixer { private const ES256_SIGNATURE_LENGTH = 64; private const ES384_SIGNATURE_LENGTH = 96; private const ES512_SIGNATURE_LENGTH = 132; public static function fix(string $signature, Signature $algorithm): string { switch ($algorithm::identifier()) { case ES256K::ID: case ES256::ID: if (mb_strlen($signature, '8bit') === self::ES256_SIGNATURE_LENGTH) { return $signature; } return ECSignature::fromAsn1( $signature, self::ES256_SIGNATURE_LENGTH ); //TODO: fix this hardcoded value by adding a dedicated method for the algorithms case ES384::ID: if (mb_strlen($signature, '8bit') === self::ES384_SIGNATURE_LENGTH) { return $signature; } return ECSignature::fromAsn1($signature, self::ES384_SIGNATURE_LENGTH); case ES512::ID: if (mb_strlen($signature, '8bit') === self::ES512_SIGNATURE_LENGTH) { return $signature; } return ECSignature::fromAsn1($signature, self::ES512_SIGNATURE_LENGTH); } return $signature; } }

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