![]() ![]() ![]() The use of Caesar Cipher and Vigenere Cipher methods is quite fast in the process of encryption and decryption in a data collection. While the software design method uses the Prototype method because the software development process emphasizes a short development cycle.The data collection technique uses documentation and observation studies to obtain the theory of Caesar Cipher and Vigenere Cipher. ![]() For this reason, software is needed to support certain methods so that the sent message becomes safer.In this study the author uses a form of literature study and experiment research. Basically the data without any security to the data provided, so that when tapping the flow of the sender, the data taken cannot be read directly by the tappers. Contoh Kasus: Diberikan sebuah kata seperti berikut. Rumus Enkripsi -> C (nomorkarakterplaintext + key) mod 26 Rumus Dekripsi -> P (nomorkarakterciphertext - key) mod 26 Setelah Anda tahu kedua rumus diatas, saatnya let's rock n roll bro. In ensuring the confidentiality and security of a data cryptographic method is needed, which is a method for maintaining confidentiality of information. Sebelum masuk ke coding, berikut rumus untuk Enkripsi dan Dekripsi Caesar. ![]()
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