| Server IP : 177.55.116.72 / Your IP : 216.73.217.104 Web Server : Apache System : Linux UBAPCWEB27 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 x86_64 User : web_hotelpraiadoc ( 3326) PHP Version : 8.2.20 Disable Function : proc_open, passthru, escapeshellcmd, exec, shell_exec, system, ini_alter, dl, popen, php_check_syntax, show_source, highlight_file, symlink, link, openlog, apache_child_terminate MySQL : OFF | cURL : ON | WGET : OFF | Perl : OFF | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /home/hotelpraiadoconde.com.br/public/wp-includes/sodium_compat/src/Core/ChaCha20/ |
Upload File : |
<?php
if (class_exists('ParagonIE_Sodium_Core_ChaCha20_IetfCtx', false)) {
return;
}
/**
* Class ParagonIE_Sodium_Core_ChaCha20_IetfCtx
*/
class ParagonIE_Sodium_Core_ChaCha20_IetfCtx extends ParagonIE_Sodium_Core_ChaCha20_Ctx
{
/**
* ParagonIE_Sodium_Core_ChaCha20_IetfCtx constructor.
*
* @internal You should not use this directly from another application
*
* @param string $key ChaCha20 key.
* @param string $iv Initialization Vector (a.k.a. nonce).
* @param string $counter The initial counter value.
* Defaults to 4 0x00 bytes.
* @throws InvalidArgumentException
* @throws TypeError
*/
public function __construct($key = '', $iv = '', $counter = '')
{
if (self::strlen($iv) !== 12) {
throw new InvalidArgumentException('ChaCha20 expects a 96-bit nonce in IETF mode.');
}
$counter = $this->initCounter($counter);
parent::__construct($key, self::substr($iv, 0, 8), $counter);
$this->container[12] = self::load_4(self::substr($counter, 0, 4));
$this->container[13] = self::load_4(self::substr($iv, 0, 4));
$this->container[14] = self::load_4(self::substr($iv, 4, 4));
$this->container[15] = self::load_4(self::substr($iv, 8, 4));
}
}