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<?php
namespace MadWizard\WebAuthn\Attestation\Tpm;
use MadWizard\WebAuthn\Format\ByteBuffer;
abstract class AbstractTpmStructure
{
protected function readLengthPrefixed(ByteBuffer $buffer, int &$offset): ByteBuffer
$len = $buffer->getUint16Val($offset);
$data = $buffer->getBytes($offset + 2, $len);
$offset += (2 + $len);
return new ByteBuffer($data);
}
protected function readFixed(ByteBuffer $buffer, int &$offset, int $length): ByteBuffer
$data = $buffer->getBytes($offset, $length);
$offset += $length;
madwizard-org /
webauthn-server
