2π rotated Key2 shuffling and scrambling - a cryptic track

As science grows threats also gets cultivated along with it. Hence Information security is emerging as an integral part of growing technology. In order to achieve this we get into the fields of cryptography, steganography and watermarking. There are many ways to encrypt and decrypt a message to be communicated. Enabling multiple encryptions will disable an intruder to recover the message. In this paper, initially image is circular shifted, scrambled twice, rotated and finally Cipher Block Chaining (CBC) mode has been applied twice to produce the final encrypted image. These multiple steps strengthen the security of the information. Image metrics like vertical correlation, horizontal correlation and diagonal correlation were computed for computed for gray scale and DICOM images and compared with the available literature.