Edit File by line

<?php

[0] Fix | Delete

[1] Fix | Delete

if (class_exists('ParagonIE_Sodium_Core_XChaCha20', false)) {

[2] Fix | Delete

return;

[3] Fix | Delete

}

[4] Fix | Delete

[5] Fix | Delete

/**

[6] Fix | Delete

* Class ParagonIE_Sodium_Core_XChaCha20

[7] Fix | Delete

[8] Fix | Delete

class ParagonIE_Sodium_Core_XChaCha20 extends ParagonIE_Sodium_Core_HChaCha20

[9] Fix | Delete

{

[10] Fix | Delete

/**

[11] Fix | Delete

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

[12] Fix | Delete

[13] Fix | Delete

* @param int $len

[14] Fix | Delete

* @param string $nonce

[15] Fix | Delete

* @param string $key

[16] Fix | Delete

* @return string

[17] Fix | Delete

* @throws SodiumException

[18] Fix | Delete

* @throws TypeError

[19] Fix | Delete

[20] Fix | Delete

public static function stream($len = 64, $nonce = '', $key = '')

[21] Fix | Delete

{

[22] Fix | Delete

if (self::strlen($nonce) !== 24) {

[23] Fix | Delete

throw new SodiumException('Nonce must be 24 bytes long');

[24] Fix | Delete

}

[25] Fix | Delete

return self::encryptBytes(

[26] Fix | Delete

new ParagonIE_Sodium_Core_ChaCha20_Ctx(

[27] Fix | Delete

self::hChaCha20(

[28] Fix | Delete

self::substr($nonce, 0, 16),

[29] Fix | Delete

$key

[30] Fix | Delete

[31] Fix | Delete

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

[32] Fix | Delete

[33] Fix | Delete

str_repeat("\x00", $len)

[34] Fix | Delete

);

[35] Fix | Delete

}

[36] Fix | Delete

[37] Fix | Delete

/**

[38] Fix | Delete

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

[39] Fix | Delete

[40] Fix | Delete

* @param int $len

[41] Fix | Delete

* @param string $nonce

[42] Fix | Delete

* @param string $key

[43] Fix | Delete

* @return string

[44] Fix | Delete

* @throws SodiumException

[45] Fix | Delete

* @throws TypeError

[46] Fix | Delete

[47] Fix | Delete

public static function ietfStream($len = 64, $nonce = '', $key = '')

[48] Fix | Delete

{

[49] Fix | Delete

if (self::strlen($nonce) !== 24) {

[50] Fix | Delete

throw new SodiumException('Nonce must be 24 bytes long');

[51] Fix | Delete

}

[52] Fix | Delete

return self::encryptBytes(

[53] Fix | Delete

new ParagonIE_Sodium_Core_ChaCha20_IetfCtx(

[54] Fix | Delete

self::hChaCha20(

[55] Fix | Delete

self::substr($nonce, 0, 16),

[56] Fix | Delete

$key

[57] Fix | Delete

[58] Fix | Delete

"\x00\x00\x00\x00" . self::substr($nonce, 16, 8)

[59] Fix | Delete

[60] Fix | Delete

str_repeat("\x00", $len)

[61] Fix | Delete

);

[62] Fix | Delete

}

[63] Fix | Delete

[64] Fix | Delete

/**

[65] Fix | Delete

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

[66] Fix | Delete

[67] Fix | Delete

* @param string $message

[68] Fix | Delete

* @param string $nonce

[69] Fix | Delete

* @param string $key

[70] Fix | Delete

* @param string $ic

[71] Fix | Delete

* @return string

[72] Fix | Delete

* @throws SodiumException

[73] Fix | Delete

* @throws TypeError

[74] Fix | Delete

[75] Fix | Delete

public static function streamXorIc($message, $nonce = '', $key = '', $ic = '')

[76] Fix | Delete

{

[77] Fix | Delete

if (self::strlen($nonce) !== 24) {

[78] Fix | Delete

throw new SodiumException('Nonce must be 24 bytes long');

[79] Fix | Delete

}

[80] Fix | Delete

return self::encryptBytes(

[81] Fix | Delete

new ParagonIE_Sodium_Core_ChaCha20_Ctx(

[82] Fix | Delete

self::hChaCha20(self::substr($nonce, 0, 16), $key),

[83] Fix | Delete

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

[84] Fix | Delete

$ic

[85] Fix | Delete

[86] Fix | Delete

$message

[87] Fix | Delete

);

[88] Fix | Delete

}

[89] Fix | Delete

[90] Fix | Delete

/**

[91] Fix | Delete

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

[92] Fix | Delete

[93] Fix | Delete

* @param string $message

[94] Fix | Delete

* @param string $nonce

[95] Fix | Delete

* @param string $key

[96] Fix | Delete

* @param string $ic

[97] Fix | Delete

* @return string

[98] Fix | Delete

* @throws SodiumException

[99] Fix | Delete

* @throws TypeError

[100] Fix | Delete

[101] Fix | Delete

public static function ietfStreamXorIc($message, $nonce = '', $key = '', $ic = '')

[102] Fix | Delete

{

[103] Fix | Delete

if (self::strlen($nonce) !== 24) {

[104] Fix | Delete

throw new SodiumException('Nonce must be 24 bytes long');

[105] Fix | Delete

}

[106] Fix | Delete

return self::encryptBytes(

[107] Fix | Delete

new ParagonIE_Sodium_Core_ChaCha20_IetfCtx(

[108] Fix | Delete

self::hChaCha20(self::substr($nonce, 0, 16), $key),

[109] Fix | Delete

"\x00\x00\x00\x00" . self::substr($nonce, 16, 8),

[110] Fix | Delete

$ic

[111] Fix | Delete

[112] Fix | Delete

$message

[113] Fix | Delete

);

[114] Fix | Delete

}

[115] Fix | Delete

}

[116] Fix | Delete

[117] Fix | Delete