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PATH: home / letacommog / laindinois / wp-content / plugins / mycred / addons / buy-creds / gateways / Bitpay / Util

<?php
/**
 * @license Copyright 2011-2014 BitPay Inc., MIT License 
 * see https://github.com/bitpay/php-bitpay-client/blob/master/LICENSE
 */

namespace Bitpay\Util;

/**
 * Generates secure random numbers
 */
class SecureRandom
{
    /**
     * @var boolean
     */
    protected static $hasOpenSSL;

/**
     * @return string
     */
    public static function generateRandom($bytes = 32)
    {
        if (!self::hasOpenSSL()) {
            throw new \Exception('You MUST have openssl module installed.');
        }

$random = openssl_random_pseudo_bytes($bytes, $isStrong);

if (!$random || !$isStrong) {
            throw new \Exception('Cound not generate a cryptographically strong random number.');
        }

return $random;
    }

/**
     * @return boolean
     */
    public static function hasOpenSSL()
    {
        if (null === self::$hasOpenSSL) {
            self::$hasOpenSSL = function_exists('openssl_random_pseudo_bytes');
        }

return self::$hasOpenSSL;
    }
}

[+] ..
[-] Error.php [edit]
[-] Fingerprint.php [edit]
[-] Base58.php [edit]
[-] CurveParameterInterface.php [edit]
[-] Secp256k1.php [edit]
[-] SecureRandom.php [edit]
[-] Util.php [edit]