英和和英

a cipher telegram

a code telegram

to extend a code-telegram

to decipher a cipher telegram

to wire in cipher

a unit used for gene information, called codon

The telephone is in cipher―in code.

a cryptograph

to cipher a message

break the code

write in cipher

in a cryptographic manner

a cipher-key

Crack a code

break a code

an urgent telegram

a line of business dealing with secret codes

the structure of a secret code

sign and countersign

cryptography

in code

a code called Playfair cipher

You are not allowed to pass unless you give the word.

the Visinel secret coding table

a private code

a message written in code

Give the password!

to decipher a code―decode a message

a sentence converted to code

of or relating to cryptanalysis