Penerapan Kunci Berupa Gambar Pada Algoritma Vernam Cipher Dalam Perancangan Perangkat Lunak Kriptografi

Abstract

Data security is one of the important issues in the development of information technology today. One way that can be done to maintain data security is to use cryptography. Cryptography process is done by doing the data randomization process, so that the original file is not easy to read by unauthorized parties. Vernam Cipher method is a key symmetric key algorithm that is used to perform encryption and decryption using the same key. In the encryption process, Vernam Cipher algorithm uses the stream cipher method where the cipher comes from the XOR result between the plaintext bit and the bit key, while the binary permutation is done by reversing the binary code on each character. In this paper will be discussed, software programs that can perform cryptographic processes on a text inputted by the user. Cryptographic process consisting of encryption and decryption will use Vernam Cipher method and binary permutation method. The program is developed using java.