Edit File by line

<?php

[0] Fix | Delete

[1] Fix | Delete

if (class_exists('ParagonIE_Sodium_Core32_XSalsa20', false)) {

[2] Fix | Delete

return;

[3] Fix | Delete

}

[4] Fix | Delete

[5] Fix | Delete

/**

[6] Fix | Delete

* Class ParagonIE_Sodium_Core32_XSalsa20

[7] Fix | Delete

[8] Fix | Delete

abstract class ParagonIE_Sodium_Core32_XSalsa20 extends ParagonIE_Sodium_Core32_HSalsa20

[9] Fix | Delete

{

[10] Fix | Delete

/**

[11] Fix | Delete

* Expand a key and nonce into an xsalsa20 keystream.

[12] Fix | Delete

[13] Fix | Delete

* @internal You should not use this directly from another application

[14] Fix | Delete

[15] Fix | Delete

* @param int $len

[16] Fix | Delete

* @param string $nonce

[17] Fix | Delete

* @param string $key

[18] Fix | Delete

* @return string

[19] Fix | Delete

* @throws SodiumException

[20] Fix | Delete

* @throws TypeError

[21] Fix | Delete

[22] Fix | Delete

public static function xsalsa20($len, $nonce, $key)

[23] Fix | Delete

{

[24] Fix | Delete

$ret = self::salsa20(

[25] Fix | Delete

$len,

[26] Fix | Delete

self::substr($nonce, 16, 8),

[27] Fix | Delete

self::hsalsa20($nonce, $key)

[28] Fix | Delete

);

[29] Fix | Delete

return $ret;

[30] Fix | Delete

}

[31] Fix | Delete

[32] Fix | Delete

/**

[33] Fix | Delete

* Encrypt a string with XSalsa20. Doesn't provide integrity.

[34] Fix | Delete

[35] Fix | Delete

* @internal You should not use this directly from another application

[36] Fix | Delete

[37] Fix | Delete

* @param string $message

[38] Fix | Delete

* @param string $nonce

[39] Fix | Delete

* @param string $key

[40] Fix | Delete

* @return string

[41] Fix | Delete

* @throws SodiumException

[42] Fix | Delete

* @throws TypeError

[43] Fix | Delete

[44] Fix | Delete

public static function xsalsa20_xor($message, $nonce, $key)

[45] Fix | Delete

{

[46] Fix | Delete

return self::xorStrings(

[47] Fix | Delete

$message,

[48] Fix | Delete

self::xsalsa20(

[49] Fix | Delete

self::strlen($message),

[50] Fix | Delete

$nonce,

[51] Fix | Delete

$key

[52] Fix | Delete

)

[53] Fix | Delete

);

[54] Fix | Delete

}

[55] Fix | Delete

}

[56] Fix | Delete

[57] Fix | Delete