英和和英

a cryptograph

a unit used for gene information, called codon

to cipher a message

in a cryptographic manner

break the code

to wire in cipher

a cipher-key

the structure of a secret code

write in cipher

a line of business dealing with secret codes

a cipher telegram

break a code

a code called Playfair cipher

Give the password!

the Visinel secret coding table

Crack a code

to decipher a code―decode a message

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

cryptography

sign and countersign

a private code

a message written in code

to extend a code-telegram

the secret code called Enigma code

to decipher a cipher telegram

in code

in cipher

a sentence converted to code

of or relating to cryptanalysis

a code telegram