R E D

NAME	SIZE	PERMISSION
ChaCha20	[ DIR ]	drwxr-xr-x
Curve25519	[ DIR ]	drwxr-xr-x
Poly1305	[ DIR ]	drwxr-xr-x
SecretStream	[ DIR ]	drwxr-xr-x
BLAKE2b.php	21.8 KB	-rwxr-xr-x
ChaCha20.php	14.17 KB	-rwxr-xr-x
Curve25519.php	129.86 KB	-rwxr-xr-x
Ed25519.php	15.37 KB	-rwxr-xr-x
HChaCha20.php	5.17 KB	-rwxr-xr-x
HSalsa20.php	6.78 KB	-rwxr-xr-x
Int32.php	24 KB	-rwxr-xr-x
Int64.php	30.44 KB	-rwxr-xr-x
Poly1305.php	1.55 KB	-rwxr-xr-x
Salsa20.php	11.24 KB	-rwxr-xr-x
SipHash.php	6.46 KB	-rwxr-xr-x
Util.php	209 B	-rwxr-xr-x
X25519.php	10.78 KB	-rwxr-xr-x
XChaCha20.php	2.4 KB	-rwxr-xr-x
XSalsa20.php	1.35 KB	-rwxr-xr-x

Code Editor : XChaCha20.php

<?php

if (class_exists('ParagonIE_Sodium_Core32_XChaCha20', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_XChaCha20
 */
class ParagonIE_Sodium_Core32_XChaCha20 extends ParagonIE_Sodium_Core32_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_Core32_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_Core32_ChaCha20_Ctx(
                self::hChaCha20(self::substr($nonce, 0, 16), $key),
                self::substr($nonce, 16, 8),
                $ic
            ),
            $message
        );
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @param string $ic
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ietfStreamXorIc($message, $nonce = '', $key = '', $ic = '')
    {
        return self::encryptBytes(
            new ParagonIE_Sodium_Core32_ChaCha20_IetfCtx(
                self::hChaCha20(self::substr($nonce, 0, 16), $key),
                "\x00\x00\x00\x00" . self::substr($nonce, 16, 8),
                $ic
            ),
            $message
        );
    }
}

${this.title}

Code Editor : XChaCha20.php