Current File : /www/varak.net/nextcloud.varak.net/3rdparty/web-auth/cose-lib/src/Key/OkpKey.php
<?php
declare(strict_types=1);
namespace Cose\Key;
use InvalidArgumentException;
use function array_key_exists;
use function in_array;
/**
* @final
* @see \Cose\Tests\Key\OkpKeyTest
*/
class OkpKey extends Key
{
final public const CURVE_X25519 = 4;
final public const CURVE_X448 = 5;
final public const CURVE_ED25519 = 6;
final public const CURVE_ED448 = 7;
final public const CURVE_NAME_X25519 = 'X25519';
final public const CURVE_NAME_X448 = 'X448';
final public const CURVE_NAME_ED25519 = 'Ed25519';
final public const CURVE_NAME_ED448 = 'Ed448';
final public const DATA_CURVE = -1;
final public const DATA_X = -2;
final public const DATA_D = -4;
private const SUPPORTED_CURVES_INT = [
self::CURVE_X25519,
self::CURVE_X448,
self::CURVE_ED25519,
self::CURVE_ED448,
];
private const SUPPORTED_CURVES_NAME = [
self::CURVE_NAME_X25519,
self::CURVE_NAME_X448,
self::CURVE_NAME_ED25519,
self::CURVE_NAME_ED448,
];
/**
* @param array<int|string, mixed> $data
*/
public function __construct(array $data)
{
foreach ([self::DATA_CURVE, self::TYPE] as $key) {
if (is_numeric($data[$key])) {
$data[$key] = (int) $data[$key];
}
}
parent::__construct($data);
if ($data[self::TYPE] !== self::TYPE_OKP && $data[self::TYPE] !== self::TYPE_NAME_OKP) {
throw new InvalidArgumentException('Invalid OKP key. The key type does not correspond to an OKP key');
}
if (! isset($data[self::DATA_CURVE], $data[self::DATA_X])) {
throw new InvalidArgumentException('Invalid EC2 key. The curve or the "x" coordinate is missing');
}
if (is_numeric($data[self::DATA_CURVE])) {
if (! in_array((int) $data[self::DATA_CURVE], self::SUPPORTED_CURVES_INT, true)) {
throw new InvalidArgumentException('The curve is not supported');
}
} elseif (! in_array($data[self::DATA_CURVE], self::SUPPORTED_CURVES_NAME, true)) {
throw new InvalidArgumentException('The curve is not supported');
}
}
/**
* @param array<int|string, mixed> $data
*/
public static function create(array $data): self
{
return new self($data);
}
public function x(): string
{
return $this->get(self::DATA_X);
}
public function isPrivate(): bool
{
return array_key_exists(self::DATA_D, $this->getData());
}
public function d(): string
{
if (! $this->isPrivate()) {
throw new InvalidArgumentException('The key is not private.');
}
return $this->get(self::DATA_D);
}
public function curve(): int|string
{
return $this->get(self::DATA_CURVE);
}
}
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