Research Article

Image Encryption Scheme Based on a Generalized Arnold Map and RSA Algorithm

Algorithm 1

RSA encryption and decryption algorithm.
Input: choose different large primes ;
(1)
(2)
(3) Random selection , , and
(4) Calculating the private key , ,
(5) Encryption method: for each plaintext grouping , perform encryption operation, namely,
(6) Decryption method: the decryption operation of the ciphertext packet is: