Cryptography, or cryptology, [1] is the practice and study of techniques for secure communication in the presence of adversarial behavior. [2] More generally, cryptography is about constructing and …

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 decrypt it.

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, …

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 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 …

Jan 15, 2026 · 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 uses mathematical techniques to protect the security of information.

Cryptography is an important computer security tool that deals with techniques to store and transmit information in ways that prevent unauthorized access or interference.

Starting with the origins of cryptography, it moves on to explain cryptosystems, various traditional and modern ciphers, public key encryption, data integration, message authentication, digital signatures …

Overview Cryptography refers to the mathematics of protecting data from being surreptitiously altered or accessed inappropriately. It is essential for most internet activity, including messaging, e-commerce, …