cryptograph

• 名词，指秘密书写的方法、密码或密文，也指用于加密或解密的装置。

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.

   密码术

   • 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.

   同义词ciphercode

2. Encoded messageC1formal

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

   密文

   • 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.

   同义词ciphercodecryptogramsecret writing

3. Decoding deviceC2formal

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

   解密机

   • 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.

   同义词deciphererdecoder