Cryptology

What is the term used to describe the science of making and breaking secret codes?

_______ is the science and art of transforming messages to make them secure and immune to attacks.

In Cryptography, original message, before being transformed, is called

An encryption algorithm transforms plain text into:

The art and science of breaking the cipher text is known as

Can you break this code?

Who was the first know user of the Caesar Cipher?

Consider the process of encoding and decoding a message using the following Caesar cipher encoding scheme in which the plaintext and ciphertext alphabets are offset by four positions, as shown below:

^{Plaintext: a b c d e f g h i j k l m n o p q r s t u v w x y z}

^{Ciphertext: w x y z a b c d e f g h i j k l m n o p q r s t u v}

Which of the following encoded ciphertext strings decodes to an original plaintext message of "secret"?