Every day, the network transfers millions of photos. We want these photographs to be transferred securely because some of them are private and confidential. In order to communicate photos safely, cryptography is essential. To protect the data, in this paper The combination of Elliptic Curve, Hill Cipher and Fibonacci Matrix method is proposed. Elliptic Curve Cryptography (ECC) is an asymmetric key encryption and enhanced further using symmetric encryption of Hill Cipher allowing simple and fast computations over complex encryption methods of ECC. Hill cipher encryption algorithm is applied to each block using a randomly generated encryption key. Then Multiply each encrypted block by the Fibonacci matrix. This helps introduce additional complexity and adds a layer of security. The proposed image encryption algorithm tested using histogram analysis, entropy, and correlation coefficients.

Elliptic Curve Cryptosystem, Fibonacci matrix, Hill Cipher, Image Encryption, Decryption.