cryptograph

• Nom désignant un procédé secret d'écriture, un texte en code ou en chiffre, ou encore un appareil utilisé pour déchiffrer des codes et des chiffres.

A noun referring to a secret method of writing, a piece of writing in code or cipher, or a device used for deciphering codes and ciphers.

1. Secret writing systemC1formal

   A method of writing that uses symbols or characters to conceal the meaning of the text from anyone except the intended recipient.

   Système d'écriture secrète

   • The ancient cryptograph used by the spies was nearly impossible to break.
   • He studied the cryptograph to understand how the message was hidden.
   • The cryptograph involved substituting letters with complex symbols.

   Synonymesciphercode

2. Encoded messageC1formal

   A piece of writing that has been transformed into a code or cipher to keep its content secret.

   Message chiffré

   • The agent handed over a cryptograph that contained the secret plans.
   • Deciphering the cryptograph required a special key.
   • The cryptograph was written in a simple substitution cipher.

   Synonymesciphercodecryptogramsecret writing

3. Decoding deviceC2formal

   A machine or tool designed to convert coded or encrypted messages back into readable text.

   Appareil de déchiffrement

   • The cryptograph was used to decode enemy communications during the war.
   • Engineers developed a new cryptograph to handle modern encryption algorithms.
   • The old cryptograph was a mechanical device with rotating disks.

   Synonymesdeciphererdecoder