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класс не описан

ParagonIE_Sodium_Core_XChaCha20{} WP 1.0

Class ParagonIE_Sodium_Core_XChaCha20

Хуков нет.

Возвращает

Null. Ничего.

Использование

$ParagonIE_Sodium_Core_XChaCha20 = new ParagonIE_Sodium_Core_XChaCha20();
// use class methods

Методы

  1. stream($len = 64, $nonce = '', $key = '')
  2. streamXorIc($message, $nonce = '', $key = '', $ic = '')

Код ParagonIE Sodium Core XChaCha20: wp-includes/sodium_compat/src/Core/XChaCha20.php WP 5.2.2

<?php
class ParagonIE_Sodium_Core_XChaCha20 extends ParagonIE_Sodium_Core_HChaCha20
{
    /**
     * @internal You should not use this directly from another application
     *
     * @param int $len
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function stream($len = 64, $nonce = '', $key = '')
    {
        if (self::strlen($nonce) !== 24) {
            throw new SodiumException('Nonce must be 24 bytes long');
        }
        return self::encryptBytes(
            new ParagonIE_Sodium_Core_ChaCha20_Ctx(
                self::hChaCha20(
                    self::substr($nonce, 0, 16),
                    $key
                ),
                self::substr($nonce, 16, 8)
            ),
            str_repeat("\x00", $len)
        );
    }

    /**
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @param string $ic
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function streamXorIc($message, $nonce = '', $key = '', $ic = '')
    {
        if (self::strlen($nonce) !== 24) {
            throw new SodiumException('Nonce must be 24 bytes long');
        }
        return self::encryptBytes(
            new ParagonIE_Sodium_Core_ChaCha20_Ctx(
                self::hChaCha20(self::substr($nonce, 0, 16), $key),
                self::substr($nonce, 16, 8),
                $ic
            ),
            $message
        );
    }
}