发短信？打电话？都会被老婆查？

发短信？打电话？都会被老婆查。再来一利器对Ta说的的悄悄话存到图片中去吧！ 完整demo包：http://www.codepearl.com/files/181.html PHP 源码与演示： 源码出处演示出处 ?php//from:http://www.codepearl.cominclude 'Simple.Stegonography.class.php';$a =

发短信？打电话？都会被老婆查。 再来一利器 对Ta说的的悄悄话存到图片中去吧！

完整demo包：http://www.codepearl.com/files/181.html PHP

源码与演示：源码出处 演示出处

 stegoIt('hello','logo.png',1000));


//根据上一步生成的图片获取里面的内容。记得先注释掉上一步哦
echo $a -> unStegoIt('example.php.png',1000)

?>

mimeType($i);
		
		switch($mime[2]){
			case 'jpg':
				return imagecreatefromjpeg ($i);
			case 'png':
				return imagecreatefrompng ($i);
			
		}
			
    }
	
	
	/*..........*/
	//@param $text text
	//returns array of ASCII values of text
	/*.........*/
	private function toASCII($text)
	{
		$text = str_split($text);
		
		for($i=0;$icreateImage($i);
		
		$mime			=	$this->mimeType($i);
		
		$pixelCount		= $mime[0]*$mime[1];
		
		/*THIS IS THE POINT WHERE YOU CAN CHANGE THE TEXT*/
		//encrypt it maybe?  The text is in $text
		/**/
		
		$ASCII			= $this->toASCII('5TEG0'.$text.'5TEG0');
		
		$textCounter	= 0;
		
		
		
		//Is there enough space for this text?
		if($pixelCount/$steps  strlen ('5TEG0'.$text.'5TEG0'))return $im;
				}
				
			}
			
		}
			
		
		
		return $im;
		
	}
	
	/*..........*/
	//@param $i image file
	//@param $steps which pixels should be coded
	//returns image resource or false if there is not enough space in the image to do it
	/*.........*/
	public function unStegoIt($i,$steps)
	{
		$im				=	$this->createImage($i);
		
		$mime			=	$this->mimeType($i);
		
		$pixelCount		= $mime[0]*$mime[1];
		
		$textCounter	= 0;
		
		$ASCII			= array();
		

		
		
		for($x = 1;$x> 16) & 0xFF;
					$ASCII[] = ($rgb >> 8) & 0xFF;
					$ASCII[] = $rgb & 0xFF;
					
				}
				
			}
			
		}
		preg_match('#5TEG0(.+?)5TEG0#',$this->fromASCII($ASCII),$txt);
		
		/*THIS IS THE POINT WHERE YOU CAN CHANGE THE TEXT*/
		//decrypt it maybe? The text is in $txt[1]
		/**/
		
		return $txt[1];
	}
}