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 …
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 …
Cryptography and its Types - GeeksforGeeks
Dec 12, 2025 · Cryptography is the science of protecting information using mathematical techniques to ensure confidentiality, integrity, and authentication. It transforms readable data …
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 …
Cryptography | NIST
Cryptography uses mathematical techniques to protect the security of information.
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 …
Symmetric Key Cryptography Also known as Secret Key Cryptography or Conventional Cryptography, Symmetric Key Cryptography is an encryption system in which the sender and …