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From Longman Dictionary of Contemporary English
Related topics: Communications
cryptographycryp‧tog‧ra‧phy /krɪpˈtɒɡrəfi $ -ˈtɑː-/ noun [uncountable]  TCthe study of secret writing and codescryptographer noun [countable]
Examples from the Corpus
cryptographyZimmermann 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.
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