FM / Polyfill

/home/techb158/immovalet.com/vendor/aws/aws-sdk-php/src/Crypto/Polyfill/

/home/techb158/immovalet.com/vendor/aws/aws-sdk-php/src/Crypto/Polyfill

Name	Size	Mode	Actions
AesGcm.php	6997	0644	edit dl rm
ByteArray.php	7005	0644	edit dl rm
Gmac.php	6333	0644	edit dl rm
Key.php	1765	0644	edit dl rm
NeedsTrait.php	1049	0644	edit dl rm

Edit: /home/techb158/immovalet.com/vendor/aws/aws-sdk-php/src/Crypto/Polyfill/Key.php (1765B)

<?php
namespace Aws\Crypto\Polyfill;

/**
 * Class Key
 *
 * Wraps a string to keep it hidden from stack traces.
 *
 * @package Aws\Crypto\Polyfill
 */
class Key
{
    /**
     * @var string $internalString
     */
    private $internalString;

/**
     * Hide contents of 
     *
     * @return array
     */
    public function __debugInfo()
    {
        return [];
    }

/**
     * Key constructor.
     * @param string $str
     */
    public function __construct($str)
    {
        $this->internalString = $str;
    }

/**
     * Defense in depth:
     *
     * PHP 7.2 includes the Sodium cryptography library, which (among other things)
     * exposes a function called sodium_memzero() that we can use to zero-fill strings
     * to minimize the risk of sensitive cryptographic materials persisting in memory.
     *
     * If this function is not available, we XOR the string in-place with itself as a
     * best-effort attempt.
     */
    public function __destruct()
    {
        if (extension_loaded('sodium') && function_exists('sodium_memzero')) {
            try {
                \sodium_memzero($this->internalString);
            } catch (\SodiumException $ex) {
                // This is a best effort, but does not provide the same guarantees as sodium_memzero():
                $this->internalString ^= $this->internalString;
            }
        }
    }

/**
     * @return string
     */
    public function get()
    {
        return $this->internalString;
    }

/**
     * @return int
     */
    public function length()
    {
        if (\is_callable('\\mb_strlen')) {
            return (int) \mb_strlen($this->internalString, '8bit');
        }
        return (int) \strlen($this->internalString);
    }
}

internalString = $str; } /** * Defense in depth: * * PHP 7.2 includes the Sodium cryptography library, which (among other things) * exposes a function called sodium_memzero() that we can use to zero-fill strings * to minimize the risk of sensitive cryptographic materials persisting in memory. * * If this function is not available, we XOR the string in-place with itself as a * best-effort attempt. */ public function __destruct() { if (extension_loaded('sodium') && function_exists('sodium_memzero')) { try { \sodium_memzero($this->internalString); } catch (\SodiumException $ex) { // This is a best effort, but does not provide the same guarantees as sodium_memzero(): $this->internalString ^= $this->internalString; } } } /** * @return string */ public function get() { return $this->internalString; } /** * @return int */ public function length() { if (\is_callable('\\mb_strlen')) { return (int) \mb_strlen($this->internalString, '8bit'); } return (int) \strlen($this->internalString); } }