Alice

Parameters known by Alice:

Chooses the key \( K \)

Encrypts the plaintext blocks \( x \):

Step y/x

Enter the message (or integer) that Alice wants to send encrypted to Bob:

Use the following cryptosystem:

With the following mode of operation:

Hit enter to generate the parameters and use the left and right arrow keys to navigate.

Before Alice can encrypt the message \( m \) she first have to convert each letter into its corresponding ASCII value and then convert each ASCII value into its binary representation.

Bob

Parameters known by Bob:

Receives the key \( K \)

Receives the ciphertext blocks \( y \)

Decrypts the ciphertext blocks \( y \):