cryptography

American  

[krip-tog-ruh-fee] / krɪpˈtɒg rə fi /

noun

1. the science or study of the techniques of secret writing, especially code and cipher systems, methods, and the like.

2. the procedures, processes, methods, etc., of making and using secret writing, as codes or ciphers.

3. Computers.

   1. 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.

   2. an instance of this.

      The application’s cryptography provides a strong element of security, but is unlikely to be proof against all cyber threats.

4. anything written in a secret code, cipher, or the like.

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cryptography British  

/ krɪpˈtɒlədʒɪ, ˌkrɪptəˈɡræfɪk, krɪpˈtɒɡrəfɪ /

noun

1. the science or study of analysing and deciphering codes, ciphers, etc; cryptanalysis

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cryptography Cultural  

1. 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.

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Discover More

Historically used in warfare, cryptography is now used routinely in computer networks. This often pits the desire of individuals and businesses to keep Internet information private against the need of government to investigate crime and terrorism.

Other Word Forms

• cryptographal adjective
• cryptographer noun
• cryptographic adjective
• cryptographical adjective
• cryptographically adverb
• cryptographist noun

Etymology

Origin of cryptography

First recorded in 1635–45; crypto- + -graphy

Compare meaning

How does cryptography compare to similar and commonly confused words? Explore the most common comparisons:

• cryptology vs. cryptography

Example Sentences

Just look at the adoption of post-quantum cryptography, new methods of encryption designed to shield data secure from attacks by quantum computers.

From Barron's

Now, the real question: What happens when quantum computers can break elliptic curve cryptography?

From MarketWatch

The first nation to develop a quantum computer capable of breaking classical cryptography will possess capabilities that make current cybersecurity look like a screen door on a submarine.

From MarketWatch

The government must fund this research directly, just as it has historically funded cryptography, semiconductor security and other dual-use technologies for which market incentives misalign with defense needs.

From The Wall Street Journal

Researchers expect major breakthroughs in physics, medical research, cryptography and several other fields as these machines mature.

From Science Daily