ParagonIE_Sodium_Core_XChaCha20::stream() public WP 1.0

{} It's a method of the class: ParagonIE_Sodium_Core_XChaCha20{}

No Hooks.

Return

String.

Usage

$result = ParagonIE_Sodium_Core_XChaCha20::stream( $len, $nonce, $key );

$len(int)

-
Default: 64

$nonce(string)

-
Default: ''

$key(string)

-
Default: ''

Code of ParagonIE_Sodium_Core_XChaCha20::stream() ParagonIE Sodium Core XChaCha20::stream ^{WP 5.8.2}

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)
    );
}