
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 read by …
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 decrypt it.
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 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 | NIST
Cryptography uses mathematical techniques to protect the security of 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 …
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 …
What is Cryptography? Importance, Types & Risks - SentinelOne
Jul 16, 2025 · Cryptography is the process of ensuring secure communication and information protection by encoding messages in such a way that only the addressee it is intended for can read or process it.
Symmetric Key Cryptography Also known as Secret Key Cryptography or Conventional Cryptography, Symmetric Key Cryptography is an encryption system in which the sender and receiver of a message …
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 …