A new method to encrypt images based on triple encryption methods

Abstract

Information security has become a significant concern, and the protection of images transmitted over the Internet is vital, which requires a high level of security. The information in these images has been used without permission and, therefore, will have serious consequences, and the images can be secured in several ways. Data encryption and decryption have recently received much attention and development. Strong encryption and decryption is required, which is incredibly difficult to crack. In this paper, an encryption environment consisting of triple encryption methods was used to create a new encryption system, which depends on several stages, including the step involving the process of creating the key using the RSA algorithm and then using this generated key with the same RSA algorithm to encrypt the image, in the second stage using a method "zig_zag" in order to encrypt the image again based on the encrypted pictures generated from the first stage, in the third stage, encrypt the image generated from the second stage using the 2D CAT method. As for the setting of retrieval of the original photos using triple decryption methods in a reverse way, the idea was returned without losing its data. The image quality was excellent.