VtextPad Compiled on 21/05/2012
Simple Textpad with Vigenere cipher function.
The idea behind the Vigenere cipher, like all polyalphabetic ciphers, is to disguise plaintext letter frequencies, which interferes with a straightforward application of frequency analysis.
For instance, if P is the most frequent letter in a ciphertext whose plaintext is in English, one might suspect that P corresponds to E, because E is the most frequently used letter in English. However, using the Vigenere cipher, E can be enciphered as different ciphertext letters at different points in the message, thus defeating simple frequency analysis.
It now consider the carriage returns very well on the cipher process. However It is a simple, but effective , solution to encrypt a text.
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