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home / softbdltd / images-bd.com / wp-includes87b / sodium_compat / src / Core32 /

?? ..
?? BLAKE2b.php(21.8 KB)
?? ChaCha20
?? ChaCha20.php(14.17 KB)
?? Curve25519
?? Curve25519.php(129.86 KB)
?? Ed25519.php(15.37 KB)
?? HChaCha20.php(5.17 KB)
?? HSalsa20.php(6.78 KB)
?? Int32.php(24 KB)
?? Int64.php(30.44 KB)
?? Poly1305
?? Poly1305.php(1.55 KB)
?? Salsa20.php(11.24 KB)
?? SecretStream
?? SipHash.php(6.46 KB)
?? Util.php(209 B)
?? X25519.php(10.78 KB)
?? XChaCha20.php(2.4 KB)
?? XSalsa20.php(1.35 KB)

Editing: 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
        );
    }
}

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Editing: XChaCha20.php

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