- the study or process of using algorithms to scramble or hide data, validate messages and digital signatures, etc., in order to secure digital information against unauthorized access or corruption: Cryptography has been rapidly evolving to introduce more hacker-proof algorithms.
- an instance of this: The application’s cryptography provides a strong element of security, but is unlikely to be proof against all cyber threats.
OTHER WORDS FROM cryptographycryp·tog·ra·pher, cryp·tog·ra·phist, nouncryp·to·graph·ic [krip-tuh-graf-ik], /ˌkrɪp təˈgræf ɪk/, cryp·to·graph·i·cal, cryp·tog·ra·phal, adjectivecryp·to·graph·i·cal·ly, adverb
How to use cryptography in a sentence
Now PBS is doing the same for Elizebeth Smith Friedman, a Quaker poet who helped pioneer the field of cryptography with her husband, William Friedman, in a new documentary for the American Experience series.The Codebreaker honors Quaker woman who helped bring down Nazi spy ring|Jennifer Ouellette|January 12, 2021|Ars Technica
Two decades ago, in 2001, Estonia created an anti-silo data management system called X-Road through which public and private organizations can share data securely while maintaining data privacy through cryptography.Estonia Is a ‘Digital Republic’—What That Means and Why It May Be Everyone’s Future|Dr. Imtiaz Khan|October 15, 2020|Singularity Hub
At their core, both apps use cryptography to make sure that the messages, images and videos they carry can only be seen by the sender and the recipient — not governments, spies, nor even the designers of the app itself.The Inside Story of How Signal Became the Private Messaging App for an Age of Fear and Distrust|Billy Perrigo|September 25, 2020|Time
This story has been updated to correct the definition of multivariate cryptography.Quantum computers threaten to end digital security. Here’s what’s being done about it|Jeremy Kahn|September 11, 2020|Fortune
The cryptographer added that after a rocky start, Cryptocat has much better track record.Crypto for the Masses: Here’s How You Can Resist the NSA|Quinn Norton|May 12, 2014|DAILY BEAST
I never was meant to be a cryptographer or whatever you call those brainy fellows who unravel ciphers and things!Behind the Green Door|Mildred A. Wirt
British Dictionary definitions for cryptography
Derived forms of cryptographycryptographer, cryptographist or cryptologist, nouncryptographic (ˌkrɪptəˈɡræfɪk) or cryptographical, adjectivecryptographically, adverb
Cultural definitions for cryptography
The science of coding and decoding messages so as to keep these messages secure. Coding (see encryption) takes place using a key that ideally is known only by the sender and intended recipient of the message.