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  1. Cryptography - Wikipedia

    Cryptography prior to the modern age was effectively synonymous with encryption, converting readable information (plaintext) to unintelligible nonsense text (ciphertext), which can only be …

  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

    6 days ago · Cryptography is the science of protecting information using mathematical techniques to ensure confidentiality, integrity, and authentication. It transforms readable data into …

  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. Cryptography | NIST

    Cryptography uses mathematical techniques to protect the security of information.

  6. Cryptology - Encryption, Ciphers, Security | Britannica

    Dec 5, 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 …

  7. 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, …

  8. Cryptography is the art and science of keeping secrets. It can be traced back to ancient times, for example with the Caesar cipher that works as follows: If we have a message such as HAIL …

  9. 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 …

  10. What is cryptography or a Cryptographic Algorithm? - DigiCert

    What is cryptography or a cryptographic algorithm? Cryptography involves the practice of encrypting and decrypting information to ensure it is kept private and secure from unintended …