beggining the workind day, by the end chapter :) its because you grabb a passport and check what you see

To view an encrypted image, the image has to be an uncompressed image format for example bmp. PNG, JPEG and so on are compressed images so you wont't be able to display those. Also the imgae header has to be uncompressed. If you want to encrypt pictures like this, just convert it to an uncompressed format, open it with an hex editor and save the image header. After that u can encrypt the image with AES/ECB. At last you have to insert the original image header. Now you should be able to view the encrypted image

https://stackoverflow.com/questions/2894187/how-to-view-encrypted-picture