Implementation of the Autokey Algorithm ASCII Text Cryptography Using JavaFX GUI

Ricky Dirgantara, Hans Valerian Lenice, Lekso Budi Handoko, Wise Herowati

Abstract


The advance of information and communication technology has transformed the world in ways we could never have imagined. From the analog era to the digital age, technology has paved the way for new innovations and discoveries, changing the way we interact, communicate, work, and even play. Data breaches are one of the threats that frequently arise in this era of digital information since the data has great value in enhancing the security of the data we transmit, one of which is using code. There are numerous ways to encode data in cryptography, but one popular technique is Autokey Cipher cryptography. Autokey cipher is a development of vigenere cipher which is a solution to overcome the repetition of certain characters in keys. Autokey operations are performed based on the key length and calculated using the tabula recta of the vigenere cipher, the key from autokey is a combination of plaintext to produce a new key along the plaintext. In this research we built the implementation using Java library JavaFX. The GUI also shows how the autokey cipher works, which will give us an understanding about the encryption and decryption process that is built with ASCII text. And the other additions are the GUI that shows the calculations such as Avalanche Effect (AE), Bit Error Rate (BER), Character Error Rate (CER), and Entropy.

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References


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