Gifted and Talented

Ciphers

A system where one letter or symbol is methodically substituted for another letter or symbol.

Codes

A system where symbols, groups of letters, pictures or words, are substituted to represent other words or phrases.

Cryptanalysis

The science of analyzing or breaking secret codes or ciphers to reveal hidden messages.

Cryptology

The science of studying codes and ciphers.

Cryptography

The science of writing hidden or concealed messages using codes or ciphers.

Encode

To put words into code or cipher form.

Ciphertext

a message written in code or cipher that has to be decoded

Plaintext

a message written out in plain English that has not been encoded.