<?php
/**
*
* @ This file is created by deZender.Net
* @ deZender (PHP5 Decoder for ionCube Encoder)
*
* @	Version			:	1.1.3.0
* @	Author			:	DeZender
* @	Release on		:	17.05.2011
* @	Official site	:	http://DeZender.Net
*
*/

	function genPrivateKey() {
		$entropy = shell_exec( 'head -c ' . mt_rand( 3000, 4000 ) . ' < /dev/urandom' );
		$salt = mktime(  );
		$privateKey = sha1( sha1( $salt . $entropy ) . $salt );
		return $privateKey;
	}

	function genPublicKey($text) {
		$salt = mktime(  );
		$rand = mt_rand(  );
		$publicKey = md5( $rand . $text . $salt );
		return $publicKey;
	}

	function encrypt($text, &$privateKey) {
		$publicKey = genPublicKey( $text );
		$shiftKey = sha1( $privateKey . '+' . $publicKey );
		$text_array = str_split( $text );
		$shift_array = str_split( $shiftKey );
		$counter = 0;
		$i = 0;

		while ($i < sizeof( $text_array )) {
			if (40 < $counter) {
				$counter = 0;
			}

			$cryptChar = ord( $text_array[$i] ) + ord( $shift_array[$counter] );
			$cryptChar -= floor( $cryptChar / 127 ) * 127;
			$cipherStream[$i] = dechex( $cryptChar );
			++$counter;
			++$i;
		}

		$cipher = implode( ':', $cipherStream ) . '/' . $publicKey;
		return $cipher;
	}
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