program main use MathClass implicit none integer(int32) :: d, e, lambda,prime1,prime2,seed,id_rsa(2),id_rsa_pub(2) integer(int32) :: message, ciphertext,a,m prime1=61 prime2=53 seed=17 call rsa_keygen(prime1,prime2,seed,id_rsa,id_rsa_pub) message=1234 print *, "message = ", message ciphertext = rsa_encrypt(id_rsa_pub,message) print *, "ciphertext = ", ciphertext message = rsa_decrypt(id_rsa,ciphertext) print *, "message = ", message print *, ">>>>>>>>>>>>>>>>>>>>>>>>>" print *, "Private key ",id_rsa print *, "Public key ",id_rsa_pub print *, "<<<<<<<<<<<<<<<<<<<<<<<<<" end program main