From Longman Dictionary of Contemporary Englishcryptographycryp‧tog‧ra‧phy /krɪpˈtɒɡrəfi $ -ˈtɑː-/ noun [uncountable] TCthe study of secret writing and codes —cryptographer noun [countable]
Examples from the Corpus
cryptography• Zimmermann was the target of a federal investigation for his role in creating a publicly available cryptography program called Pretty Good Privacy.• Furthermore, public-key cryptography can be used for sender authentication, known as digital signatures.• Clearly, one advantage of public-key cryptography is that no one can figure out the private key from the corresponding public key.• Public-Key Cryptography A more powerful form of cryptography involves the use of public keys.• Secret-Key Cryptography Secret-key cryptography involves the use of a shared key for both encryption by the transmitter and decryption by the receiver.• These are the basics of single-key cryptography.• And anyone communicating by quantum cryptography also would have a sure way to spot spies.• The potential commercial and military applications of quantum cryptography are breathtaking. 