Some ciphers have simple keys, others, complex ones. The key for a cipher used by Augustus Caesar, some 2,000 years ago, was simple enough: The receiver just had to shift the alphabet one position.

Cipher is a coded message that foreign missions send to their respective governments. Only trained officials can decode such messaging. For this purpose there is a cipher wing in the foreign office.

Printable activity (student handout) for PROGRAMOperation Decode - Part II Procedure In Part I, you broke a simple cipher. Now try creating a more complex cipher. Cut out the NOVA Decoder Ring and ...

Decoding the cipher revealed the following message. It was sent in all capital letters without punctuation and included the misspelling of paradise: ...

The alien language that they are decoding is a third hand code that PEOPLE are using in the game. Mankind discovered these runes, deciphered them mostly to an approximation of a human cipher, and ...