PHPXRef 0.7.1 : Joomla 4.2.2 documentation : Detail view of Crypt.php

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Copyright:	(C) 2012 Open Source Matters, Inc.
License:	GNU General Public License version 2 or later; see LICENSE.txt
File Size:	150 lines (4 kb)
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Referenced:	0 times
Includes or requires:	0 files

Defines 1 class

Crypt:: (3 methods):
  timingSafeCompare()
  safeStrlen()
  safeSubstr()

Class: Crypt - X-Ref

Crypt is a Joomla Platform class for handling basic encryption/decryption of data.

timingSafeCompare($known, $unknown) X-Ref

A timing safe comparison method.

This defeats hacking attempts that use timing based attack vectors.

NOTE: Length will leak.

param: string  $known    A known string to check against.
param: string  $unknown  An unknown string to check.
return: boolean  True if the two strings are exactly the same.

safeStrlen($str) X-Ref

Safely detect a string's length

This method is derived from \ParagonIE\Halite\Util::safeStrlen()

param: string $str String to check the length of
return: integer

safeSubstr($str, $start, $length = null) X-Ref

Safely extract a substring

This method is derived from \ParagonIE\Halite\Util::safeSubstr()

param: string   $str     The string to extract the substring from
param: integer  $start   The starting position to extract from
param: integer  $length  The length of the string to return
return: string

PHP Cross Reference of Joomla 4.2.2 documentation

/libraries/src/Crypt/ -> Crypt.php (summary)

Defines 1 class