as part of his submission. In the Agrippa
program only the decryption algorithm is present in the code, however, Ayal has reverse-engineered the encrypt function so text can be round-tripped.
The two boxes correspond to plaintext (left) and ciphertext (right). The implementation comes pre-loaded with the Agrippa ciphertext, which can be decrypted by clicking the decrypt ciphertext button. The ciphertext will then be decrypted and displayed in the plaintext box. You can re-encrypt the plaintext by clicking encrypt plaintext, which will display in the ciphertext box.
You can edit the contents of the plaintext box to encypt a custom message, or change the ciphertext code to see how it is reflected in the plaintext.
Note: because the Agrippa cryptography algorithm uses a three-character block size, any changes that do not correspond to the block size will corrupt the text (you can duplicate entire lines of the ciphertext safely).
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