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  1. Cryptography - Wikipedia

    Cryptography, or cryptology (from Ancient Greek: κρυπτός, romanized: kryptós "hidden, secret"; and γράφειν graphein, "to write", or -λογία -logia, "study", respectively [1]), is the practice and …

  2. What is cryptography? - IBM

    Cryptography is the practice of developing and using coded algorithms to protect and obscure transmitted information so that it may only be read by those with the permission and ability to …

  3. Cryptography and its Types - GeeksforGeeks

    12 Noll 2025 · Cryptography is the science of protecting information using mathematical techniques to ensure confidentiality, integrity, and authentication. It transforms readable data …

  4. What is Cryptography? Definition, Types and Techniques

    13 Márta 2024 · In computer science, cryptography refers to secure information and communication techniques derived from mathematical concepts and a set of rule-based …

  5. Cryptology - Encryption, Ciphers, Security | Britannica

    5 Noll 2025 · Cryptography, as defined in the introduction to this article, is the science of transforming information into a form that is impossible or infeasible to duplicate or undo …

  6. Cryptography | NIST

    Cryptography uses mathematical techniques to protect the security of information.

  7. What is Cryptography? Definition, Importance, Types | Fortinet

    Cryptography is the process of hiding or coding information so that only the person a message was intended for can read it. The art of cryptography has been used to code messages for …

  8. ISO - What is cryptography?

    Cryptography is an important computer security tool that deals with techniques to store and transmit information in ways that prevent unauthorized access or interference.

  9. What Is Cryptography and How Does It Work? - How-To Geek

    4 Beal 2025 · In simple terms, cryptography deals with creating encryption and decryption methods, while cryptanalysis focuses on understanding how to overcome those methods.

  10. What is Cryptography? - HackBlue

    Cryptography, a cornerstone of modern information security, is the art and science of encoding information to protect it from unauthorized access and manipulation.