Vigenère Cipher 2.0.2.3
Vigenère Cipher is a free and reliable utility that will enable the encryption and decryption of data using polyalphabetic substitution.
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0.00 
Freeware
0K
Windows Vista 
Vigenère Cipher is a free and reliable utility that will enable the encryption and decryption of data using polyalphabetic substitution. The Key button permits settting of an alphabetic keyword which is used to determine which of the available cipher alphabets is used for each letter of the plaintext. This must be set before you can encrypt or decrypt data.
Our implementation of this cipher allows you to choose a keyword or phrase up to the length of the data being encrypted, and includes the traditional twenty-six alphabets, i.e. one plain and the twenty-five possible shift alphabets.
Using the Open Plaintext or Open Ciphertext buttons on the tool bar, you may open a standard text (.txt) file or Vigenère Cipher text (.vpc) file for processing. The size of the file in bytes, and the file name and path, are displayed on the status bar. Using the Close Plaintext or Close Ciphertext buttons, the data stores and displays are cleared.
The Encrypt and Decrypt buttons will allow processing of the source data after first stripping away any spaces, punctuation and numbers. Please note that you must load the source data into the correct pane. If you are encrypting, load the plaintext source into the upper pane. If decrypting, load the ciphertext source into the lower pane.
Print buttons are available to allow the printing of the contents of both the Plain and Cipher text panes.
Using the Save Plaintext or Save Ciphertext buttons on the tool bar, you may save pane contents to a standard text (.txt) file or Vigenère Cipher text (.vpc) file, as appropriate.
There is no file size limit in Vigenère Cipher although your operating system and memory configuration may impose such limits. Menu options include functions similar to the toolbar, along with various help options.
tags
vigengere cipher cipher text using the ciphertext buttons into the load the text vpc source into vpc file the file txt file the source source data
Download Vigenère Cipher 2.0.2.3
Download Vigenère Cipher 2.0.2.3
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