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Marked Base as abstract
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@ -44,9 +44,8 @@ use phpseclib\Crypt\Hash;
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* @package Base
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* @author Jim Wigginton <terrafrost@php.net>
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* @author Hans-Juergen Petrich <petrich@tronic-media.com>
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* @access public
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*/
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class Base
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abstract class Base
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{
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/**#@+
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* @access public
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@ -1170,10 +1169,7 @@ class Base
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* @param String $in
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* @return String
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*/
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function _encryptBlock($in)
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{
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user_error(__METHOD__ . '() must extend by class ' . get_class($this), E_USER_ERROR);
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}
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abstract function _encryptBlock($in);
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/**
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* Decrypts a block
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@ -1184,10 +1180,7 @@ class Base
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* @param String $in
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* @return String
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*/
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function _decryptBlock($in)
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{
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user_error(__METHOD__ . '() must extend by class ' . get_class($this), E_USER_ERROR);
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}
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abstract function _decryptBlock($in);
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/**
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* Setup the key (expansion)
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@ -1199,10 +1192,7 @@ class Base
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* @see \phpseclib\Crypt\Base::_setup()
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* @access private
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*/
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function _setupKey()
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{
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user_error(__METHOD__ . '() must extend by class ' . get_class($this), E_USER_ERROR);
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}
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abstract function _setupKey();
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/**
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* Setup the self::ENGINE_INTERNAL $engine
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@ -219,6 +219,27 @@ class RC4 extends Base
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return $this->_crypt($ciphertext, self::DECRYPT);
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}
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/**
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* Encrypts a block
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*
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* @access private
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* @param String $in
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*/
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function _encryptBlock($in)
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{
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// RC4 does not utilize this method
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}
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/**
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* Decrypts a block
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*
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* @access private
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* @param String $in
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*/
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function _decryptBlock($in)
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{
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// RC4 does not utilize this method
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}
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/**
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* Setup the key (expansion)
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