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Marked Base as abstract

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This commit is contained in:
Clint Nelissen 2014-12-29 12:43:56 -08:00
parent 520fdcdd29
commit 71c2d43956
2 changed files with 25 additions and 14 deletions
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18
phpseclib/Crypt/Base.php
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@ -44,9 +44,8 @@ use phpseclib\Crypt\Hash;
* @package Base
* @author Jim Wigginton <terrafrost@php.net>
* @author Hans-Juergen Petrich <petrich@tronic-media.com>
* @access public
*/
class Base
abstract class Base
{
/**#@+
* @access public
@ -1170,10 +1169,7 @@ class Base
* @param String $in
* @return String
*/
function _encryptBlock($in)
{
user_error(__METHOD__ . '() must extend by class ' . get_class($this), E_USER_ERROR);
}
abstract function _encryptBlock($in);
/**
* Decrypts a block
@ -1184,10 +1180,7 @@ class Base
* @param String $in
* @return String
*/
function _decryptBlock($in)
{
user_error(__METHOD__ . '() must extend by class ' . get_class($this), E_USER_ERROR);
}
abstract function _decryptBlock($in);
/**
* Setup the key (expansion)
@ -1199,10 +1192,7 @@ class Base
* @see \phpseclib\Crypt\Base::_setup()
* @access private
*/
function _setupKey()
{
user_error(__METHOD__ . '() must extend by class ' . get_class($this), E_USER_ERROR);
}
abstract function _setupKey();
/**
* Setup the self::ENGINE_INTERNAL $engine

21
phpseclib/Crypt/RC4.php
View File

@ -219,6 +219,27 @@ class RC4 extends Base
return $this->_crypt($ciphertext, self::DECRYPT);
}
/**
* Encrypts a block
*
* @access private
* @param String $in
*/
function _encryptBlock($in)
{
// RC4 does not utilize this method
}
/**
* Decrypts a block
*
* @access private
* @param String $in
*/
function _decryptBlock($in)
{
// RC4 does not utilize this method
}
/**
* Setup the key (expansion)