
1) Cleartext
Found on
https://www.crosswordclues.com/clue/plaintext

In cryptography, plaintext is information a sender wishes to transmit to a receiver. Cleartext is often used as a synonym. Plaintext has reference to the operation of cryptographic algorithms, usually encryption algorithms, and is the input upon which they operate. Cleartext, by contrast, refers to data that is transmitted or stored unencrypted (t...
Found on
http://en.wikipedia.org/wiki/Plaintext

(from the article `cryptology`) ...written messages were the only things being secured, the source information, even if it is an apparently incomprehensible binary stream of 1s and ...
Found on
http://www.britannica.com/eb/a-z/p/75
No exact match found.