cryptograph
Encoded message system
A cryptograph is a message written in code or cipher, or a device used to encode and decode such messages.
The term covers both the encrypted text itself and the mechanical apparatus—like cipher machines—used to produce it.
The spy transmitted the cryptograph to headquarters.
The related noun cryptography refers to the practice of creating and breaking codes.
Covert information gatherer
- intelligenceMental ability, cognitive capacity
- classifiedRestricted from disclosure
- secretConcealed information
- covertIntentionally concealed
clandestine · agent · wartime · military · diplomatic · intercept · Bletchley Park · codebreaker
Encoded, unreadable message
- plaintextUnencoded readable information
- keyLock-opening device
- substitutionExchange of one for another
- transpositionSwapping positions of elements
Caesar · Enigma · rotor · cryptanalysis · encipher · alphabet · scramble · encode
Public-key encryption algorithm
- AESSymmetric encryption standard
- DESSymmetric-key block cipher
- asymmetricNot identical on both sides
- symmetricEqual on both sides
algorithm · public key · private key · hash · SSL · TLS · blockchain · certificate
Solving secret communications
- brainteaserPuzzle demanding clever thought
- riddlePuzzling question to solve
- enigmaSomething hard to fathom
- mysterySomething unexplained or unknown
solve · challenge · conundrum · anagram · wordplay · logic · pattern · hidden message
German encryption apparatus
- rotorSpinning mechanical assembly
- typewriterMechanical printing keyboard
- mechanicalOperated by machinery
- deviceConstructed tool or machine
apparatus · wheel · drum · keyboard · printout · tape · punch card · Lorenz
spy
Covert information gatherer
- intelligenceMental ability, cognitive capacity
- classifiedRestricted from disclosure
- secretConcealed information
covert · clandestine · agent · wartime · military · diplomatic · intercept · Bletchley Park · codebreaker · Turing
ciphertext
Encoded, unreadable message
- plaintextUnencoded readable information
- keyLock-opening device
- substitutionExchange of one for another
transposition · Caesar · Enigma · rotor · cryptanalysis · encipher · alphabet · scramble · encode · decode
RSA
Public-key encryption algorithm
- AESSymmetric encryption standard
- DESSymmetric-key block cipher
- asymmetricNot identical on both sides
symmetric · algorithm · public key · private key · hash · SSL · TLS · blockchain · certificate · authentication
codebreaking
Solving secret communications
- brainteaserPuzzle demanding clever thought
- riddlePuzzling question to solve
- enigmaSomething hard to fathom
mystery · solve · challenge · conundrum · anagram · wordplay · logic · pattern · hidden message · pen and paper
Enigma
German encryption apparatus
- rotorSpinning mechanical assembly
- typewriterMechanical printing keyboard
- mechanicalOperated by machinery
device · apparatus · wheel · drum · keyboard · printout · tape · punch card · Lorenz · mechanism
cryptographopen letter
Published correspondence for everyone
broadcast message · public notice · broadcast · proclamation · open communication
cryptogram, cryptography, cryptographic, cryptographer, cryptographers, cryptographs, cryptographically