1. Computing
in FDAC :: Steganography with Delphi Vigenere coding is one of the most ancient forms of cryptography. In a Vigenere cipher, messages are encoded by mapping letters to numeric values and adding the plaintext values to the keytext values, modulo the number of letters in the alphabet.

Interested in how to implement Vigenere cipher in Delphi?

This is the 49th entry to the Fancy Delphi Application Contest

Read the full article to find more about (+ download source code) Vigenere Cipher Delphi Implementation

When you download the application and test, rate it:

  1. Excellent
  2. Superb
  3. Good
  4. Average
  5. Poor
If you already voted, take a look at poll results.

Related:

Comments
August 26, 2010 at 7:47 am
(1) easy says:

Good afternoon,

in fact, it was not introduced by Blaise de Vigenere. In 1553, Giovan Batista Belaso introduced the idea of polyalphabetic substituion cipher, the same as Vigenere introduced in 1585. It is often miscalled Vigenere’s cipher but the original author is Belaso.

Leave a Comment

Line and paragraph breaks are automatic. Some HTML allowed: <a href="" title="">, <b>, <i>, <strike>

©2014 About.com. All rights reserved.