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cryptography

noun

/krɪpˈtɒɡrəfi/

IPA:

Dictionary definition of cryptography

A field of study that deals with the secure communication of information.
"Cryptography is an important aspect of computer security."

Detailed meaning of cryptography

It involves the use of mathematical algorithms and protocols to encrypt information, making it unintelligible to anyone who does not have the necessary key to decode it. Cryptography is used to ensure the confidentiality, integrity, and authenticity of data, especially in electronic communication and e-commerce. The use of cryptography is widespread, from secure messaging apps to online banking and e-commerce platforms. Cryptography also plays a critical role in national security, where it is used to protect sensitive information and communications from unauthorized access or interception.

Example sentences containing cryptography

1. Cryptography is essential for securing online transactions.
2. The art of cryptography dates back centuries.
3. Modern cryptography relies on complex algorithms.
4. The government uses cryptography to protect classified data.
5. Cryptography ensures the confidentiality of sensitive information.
6. Quantum cryptography is a cutting-edge field.

History and etymology of cryptography

The noun 'cryptography' has a fascinating etymology rooted in both Greek and Latin. It stems from the Greek word 'kryptos,' meaning 'hidden,' and 'graphein,' meaning 'to write.' The combination of these elements in Greek gives us 'kryptographia,' which translates to 'secret writing.' This term was later adapted into Latin as 'cryptographia' and eventually evolved into 'cryptography' in English. The essence of cryptography lies in the art and science of concealing or encoding information to keep it hidden from unauthorized access or comprehension. Thus, 'cryptography' maintains a direct connection to its historical roots, emphasizing its fundamental purpose of securing communication through the use of hidden or encoded writing techniques.

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Further usage examples of cryptography

1. Cryptography plays a vital role in cybersecurity.
2. The course covered the history of cryptography.
3. Cryptography keeps hackers from accessing personal data.
4. She pursued a career in cryptography to combat cyber threats.
5. The conference focused on the latest cryptography techniques.
6. Blockchain technology relies on cryptography for security.
7. Cryptography is a challenging yet rewarding field.
8. Cryptography prevents unauthorized access to data.
9. Understanding cryptography is crucial for IT professionals.
10. The book delves into the world of cryptography.
11. Cryptography protects the privacy of online communication.
12. Cryptography is a cornerstone of secure digital communication.
13. The professor specializes in the study of cryptography.
14. Cryptography experts work to strengthen encryption methods.
15. Cryptography is used to protect sensitive information from unauthorized access.
16. The field of cryptography is constantly evolving to keep up with new technologies.
17. The use of cryptography dates back to ancient civilizations.
18. Cryptography is used to encrypt communication over the internet.
19. Cryptography is a way of protecting data through the use of codes.
20. The study of cryptography includes both theoretical and practical aspects.
21. Cryptography is used in many industries, including finance and government.
22. Advances in cryptography have led to more secure methods of data encryption.
23. Cryptography is used to ensure the confidentiality and integrity of data.
24. Cryptography is a complex field that requires a deep understanding of mathematics and computer science.
25. Cryptography is critical for protecting personal and sensitive information in today's digital age.