
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 study of …
What is cryptography? - IBM
Cryptography is the practice of developing and using coded algorithms to protect and obscure transmitted information.
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 thousands of …
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 into unreadable form, …
What is Cryptography? Definition, Types and Techniques | TechTarget
Mar 13, 2024 · In computer science, cryptography refers to secure information and communication techniques derived from mathematical concepts and a set of rule-based calculations called …
CRYPTOGRAPHY Definition & Meaning - Merriam-Webster
For a word having to do with secrets, cryptography has a surprisingly transparent origin. The word comes from Greek kryptós, meaning "hidden" or "secret," and graphein, meaning "to write."
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 without knowledge of a …
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, electronics and digital signal …
What is Cryptography? - Kaspersky
Cryptography is the technique of obfuscating or coding data, ensuring that only the person who is meant to see the information–and has the key to break the code–can read it. The word is a hybrid of two …
CRYPTOGRAPHY Definition & Meaning | Dictionary.com
CRYPTOGRAPHY definition: the science or study of the techniques of secret writing, especially code and cipher systems, methods, and the like. See examples of cryptography used in a sentence.