<?php

/**
 * Raw DSA Key Handler
 *
 * PHP version 5
 *
 * Reads and creates arrays as DSA keys
 *
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DSA\Formats\Keys;

use phpseclib3\Math\BigInteger;

/**
 * Raw DSA Key Handler
 *
 * @author  Jim Wigginton <terrafrost@php.net>
 */
abstract class Raw
{
    /**
     * Break a public or private key down into its constituent components
     *
     * @param array $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        if (!is_array($key)) {
            throw new \UnexpectedValueException('Key should be a array - not a ' . gettype($key));
        }

        switch (true) {
            case !isset($key['p']) || !isset($key['q']) || !isset($key['g']):
            case !$key['p'] instanceof BigInteger:
            case !$key['q'] instanceof BigInteger:
            case !$key['g'] instanceof BigInteger:
            case !isset($key['x']) && !isset($key['y']):
            case isset($key['x']) && !$key['x'] instanceof BigInteger:
            case isset($key['y']) && !$key['y'] instanceof BigInteger:
                throw new \UnexpectedValueException('Key appears to be malformed');
        }

        $options = ['p' => 1, 'q' => 1, 'g' => 1, 'x' => 1, 'y' => 1];

        return array_intersect_key($key, $options);
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @param \phpseclib3\Math\BigInteger $y
     * @param \phpseclib3\Math\BigInteger $x
     * @param string $password optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y, BigInteger $x, $password = '')
    {
        return compact('p', 'q', 'g', 'y', 'x');
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @param \phpseclib3\Math\BigInteger $y
     * @return string
     */
    public static function savePublicKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y)
    {
        return compact('p', 'q', 'g', 'y');
    }
}

• [F] OpenSSH.php
  Delete
• [F] PKCS1.php
  Delete
• [F] PKCS8.php
  Delete
• [F] PuTTY.php
  Delete
• [F] Raw.php
  Delete
• [F] XML.php
  Delete

Contact Section

Get in Touch with Us for Any Questions or Support

We’d love to hear from you! Whether you have questions, feedback, or need support, our team is here to help. Reach out to us via email, phone, or visit our office. We’re committed to providing you with exceptional service and ensuring your experience with NFC Pay is seamless and satisfying. Let’s connect!

Name*

Email*

Message*

Send Message

Our Location

20-22 Wenlock Road, England, N1 7GU

Call us on: +03601 885399

Our office hours Monday–Friday, 9am - 9pm

Email us directly

support@example.com