英和和英

a unit used for gene information, called codon

in a cryptographic manner

to cipher a message

break a code

the structure of a secret code

break the code

write in cipher

a cryptograph

a cipher-key

Crack a code

to wire in cipher

crack a code

a code called Playfair cipher

a private code

to decipher a code―decode a message

a line of business dealing with secret codes

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

cryptography

in cipher

a message written in code

act of writing in code or cipher

sign and countersign

a cipher telegram

Give the password!

a sentence converted to code

the Visinel secret coding table

break a secret code

of or relating to cryptanalysis

Encryption solves the problem.

to decipher a cipher telegram