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."

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 …

Cryptography is the practice of developing and using coded algorithms to protect and obscure transmitted information.

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 …

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 …

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 …

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: 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.

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, …

It includes the protocols, algorithms and methodologies to securely and consistently prevent unauthorized access to sensitive information and enable verifiability of the information. The main …