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Computer security is a branch of technology known as information security as applied to computers. Computer security objectives are among others the protection of information against theft or corruption, or the preservation of availability, as outlined in the security policy [1].

Image is one of the important forms of multimedia. Image visually present information and information presented by a richer image than presented textually [2]. Digital images are not only stored in the storage such as hard disks, flash drives, CDs, DVDs, and other storage device, but also transmitted via public channels such as the internet. For the image of the private or confidential, storage and transmission of images need to pay attention to security aspects. The image that is private personal documents such as photos can only be seen by the owners or those who are given authority only [2], confidential example is the image of the remote sensing (satellite photo) recording potential of natural resources of a