Improving the robustness of the affine cipher by using a rainbow antimagic coloring

Abstract Nowadays, cryptosystems can be applied in several areas life. One of them is transaction data. In data, a very strong cryptosystem needed so that the data safe. Cryptosystems are better with keystream. this case, we use rainbow antimagic as key to improve robustness keystream by using affine cipher. The algorithm uses edge weights vertex labeling graphs for encryption and decryption. paper, found connection number tadpole two algorithms straighten ciphers.