The Vigenere Cipher

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Have you ever wanted to send your friend an encrypted message so that no one else expect you and your friend can read it? Yes? Well, then this app is for you!

The Vigenère Cipher is one of the most important ciphers in cryptography and now you can make use of it. Just type in your message and enter a personal key, that you will have to share with your friend, and you can encrypt any message. The person who then receives your message can use the same app to decrypt your message, also known as Ciphertext, and read the original message or better the Plaintext.

Have fun using this app and don't forget to check out the "Send cipher text via Email" function, which let's you share your cipher text via email!

And now, let's encrypt some messages!