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  1. 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 …

  2. 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 …

  3. Cryptography and its Types - GeeksforGeeks

    Aug 7, 2025 · Cryptography is a technique of securing information and communications using codes to ensure confidentiality, integrity and authentication. Thus, preventing unauthorized …

  4. What is Cryptography? Definition, Types and Techniques

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

  5. 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 …

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

    May 4, 2025 · That, in a nutshell, is the basic idea behind cryptography. The art of writing and solving secret codes. But let’s move from the classroom to the internet. When you send a …

  7. Cryptology - Encryption, Ciphers, Security | Britannica

    5 days ago · 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 …

  8. ISO - What is cryptography?

    Cryptography refers to the techniques and algorithms that are used today for secure communication and data in storage. It incorporates mathematics, computer science, …

  9. What is Cryptography? - Cryptography Explained - AWS

    Cryptography is the practice of protecting information through the use of coded algorithms, hashes, and signatures. The information can be at rest (such as a file on a hard drive), in …

  10. What is Cryptography? Importance, Types & Risks - SentinelOne

    Jul 16, 2025 · Cryptography is the process of ensuring secure communication and information protection by encoding messages in such a way that only the addressee it is intended for can …