<?php

namespace Cose\Key;

use InvalidArgumentException;

/**
 * @final
 */
class SymmetricKey extends Key
{
    final public const DATA_K = -1;

    /**
     * @param array<int|string, mixed> $data
     */
    public function __construct(array $data)
    {
        parent::__construct($data);
        if (! isset($data[self::TYPE]) || (int) $data[self::TYPE] !== self::TYPE_OCT) {
            throw new InvalidArgumentException(
                'Invalid symmetric key. The key type does not correspond to a symmetric key'
            );
        }
        if (! isset($data[self::DATA_K])) {
            throw new InvalidArgumentException('Invalid symmetric key. The parameter "k" is missing');
        }
    }

    /**
     * @param array<int|string, mixed> $data
     */
    public static function create(array $data): self
    {
        return new self($data);
    }

    public function k(): string
    {
        return $this->get(self::DATA_K);
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MjQ2NzAyMTI1Mzg0ODYyMiAyNTYxMjc2NDcxNjg0MDM5IDk2ODI1NTQ5NTMxNDM3MTY=