Create New Item
Item Type
File
Folder
Item Name
Search file in folder and subfolders...
Are you sure want to rename?
optometrists
/
cache
/
cache
/
cache
/
cache
/
cache
/
.wp-cli
/
wp-content
/
plugins
/
wp-phpmyadmin-extension
/
lib
/
phpMyAdmin
/
vendor
/
web-auth
/
webauthn-lib
/
src
:
U2FPublicKey.php
Advanced Search
Upload
New Item
Settings
Back
Back Up
Advanced Editor
Save
<?php namespace Webauthn; use CBOR\ByteStringObject; use CBOR\MapItem; use CBOR\MapObject; use CBOR\NegativeIntegerObject; use CBOR\UnsignedIntegerObject; class U2FPublicKey { public static function isU2FKey($publicKey): bool { return $publicKey[0] === "\x04"; } public static function createCOSEKey($publicKey): string { $mapObject = new MapObject([ 1 => MapItem::create( new UnsignedIntegerObject(1, null), new UnsignedIntegerObject(2, null) ), 3 => MapItem::create( new UnsignedIntegerObject(3, null), new NegativeIntegerObject(6, null) ), -1 => MapItem::create( new NegativeIntegerObject(0, null), new UnsignedIntegerObject(1, null) ), -2 => MapItem::create( new NegativeIntegerObject(1, null), new ByteStringObject(substr($publicKey, 1, 32)) ), -3 => MapItem::create( new NegativeIntegerObject(2, null), new ByteStringObject(substr($publicKey, 33)) ), ]); return $mapObject->__toString(); } }