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<?php |
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namespace MadWizard\WebAuthn\Attestation\Statement; |
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use MadWizard\WebAuthn\Attestation\AttestationObject; |
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use MadWizard\WebAuthn\Crypto\CoseAlgorithm; |
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use MadWizard\WebAuthn\Exception\DataValidationException; |
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use MadWizard\WebAuthn\Exception\ParseException; |
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use MadWizard\WebAuthn\Format\ByteBuffer; |
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use MadWizard\WebAuthn\Format\DataValidator; |
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use MadWizard\WebAuthn\Pki\X509Certificate; |
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class AndroidKeyAttestationStatement extends AbstractAttestationStatement |
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{ |
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public const FORMAT_ID = 'android-key'; |
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/** |
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* @var ByteBuffer |
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*/ |
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private $signature; |
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/** |
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* @var X509Certificate[] |
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*/ |
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private $certificates; |
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/** |
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* @see CoseAlgorithm enumeration |
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* |
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* @var int |
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*/ |
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private $algorithm; |
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public function __construct(AttestationObject $attestationObject) |
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{ |
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parent::__construct($attestationObject, self::FORMAT_ID); |
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$statement = $attestationObject->getStatement(); |
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try { |
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DataValidator::checkMap( |
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$statement, |
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[ |
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'alg' => 'integer', |
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'x5c' => 'array', |
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'sig' => ByteBuffer::class, |
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] |
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); |
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} catch (DataValidationException $e) { |
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throw new ParseException('Invalid Android key attestation statement.', 0, $e); |
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} |
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$this->signature = $statement->get('sig'); |
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$this->algorithm = $statement->get('alg'); |
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$this->certificates = $this->buildPEMCertificateArray($statement->get('x5c')); |
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} |
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public function getAlgorithm(): int |
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{ |
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return $this->algorithm; |
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} |
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public function getSignature(): ByteBuffer |
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{ |
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return $this->signature; |
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} |
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/** |
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* @return X509Certificate[] |
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*/ |
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public function getCertificates(): array |
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{ |
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return $this->certificates; |
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} |
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} |
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madwizard-org /
webauthn-server
