"Cipher word is longer than 2 characters\n", "Cipher word is longer than 3 characters\n", "Cipher word is longer than 4 characters\n", "Cipher word is longer than 5 ...

Abstract: The rapid development of electronic exchange of digital information increases the importance of information security in storage and transmission of data on public communication network.

Kriptografi polyalphabetic merupakan improvisasi dari teknik substitusi monoalphabetic. Polyalphabetic substitution chiper melakukan teknik kriptografi monoalphabetic satu kali proses untuk suatu ...

In 1854, Sir Charles Wheatstone invented the cipher known as "Playfair," named for his friend Lyon Playfair, first Baron Playfair of St. Andrews, who popularized and promoted the cipher. Its ...

Over on YouTube, [The Modern Rogue] created an interesting video showing a slide-rule-like encryption device called the Réglette. This was a hardware implementation of a Vigenère-like Cipher, ...