English version

cryptography

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.
Pictures of the day
Do you know what each of these is called?
Click on the pictures to check.