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класс не описан

ParagonIE_Sodium_Core_XSalsa20{} WP 1.0

Class ParagonIE_Sodium_Core_XSalsa20

Хуков нет.

Возвращает

Null. Ничего.

Использование

$ParagonIE_Sodium_Core_XSalsa20 = new ParagonIE_Sodium_Core_XSalsa20();
// use class methods

Методы

  1. xsalsa20($len, $nonce, $key)
  2. xsalsa20_xor($message, $nonce, $key)

Код ParagonIE_Sodium_Core_XSalsa20{} WP 5.5.1

<?php
abstract class ParagonIE_Sodium_Core_XSalsa20 extends ParagonIE_Sodium_Core_HSalsa20
{
    /**
     * Expand a key and nonce into an xsalsa20 keystream.
     *
     * @internal You should not use this directly from another application
     *
     * @param int $len
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function xsalsa20($len, $nonce, $key)
    {
        $ret = self::salsa20(
            $len,
            self::substr($nonce, 16, 8),
            self::hsalsa20($nonce, $key)
        );
        return $ret;
    }

    /**
     * Encrypt a string with XSalsa20. Doesn't provide integrity.
     *
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function xsalsa20_xor($message, $nonce, $key)
    {
        return self::xorStrings(
            $message,
            self::xsalsa20(
                self::strlen($message),
                $nonce,
                $key
            )
        );
    }
}