Nowadays, cryptography is often used to make online communications and transactions more secure. - Günümüzde, kriptografi genellikle online iletişim ve işlemleri daha güvenli yapmak için kullanılır.
The discipline concerned with communication security (eg, confidentiality of messages, integrity of messages, sender authentication, non-repudiation of messages, and many other related issues)
The art of science concerning the principles, means, and methods for rendering plain text unintelligible and for converting encrypted messages into intelligible form
The process of protecting information by transforming it into an unreadable format The information is encrypted using a Key, which makes the data unreadable, and is then decrypted later when the information needs to be used again See also Public Key Cryptography and Private Key Cryptography
The branch of cryptology which deals with the principles, means, and methods of designing and using cryptosystems
A process associated with scrambling plaintext (ordinary text, or cleartext) into ciphertext (a process called encryption), then back again (known as decryption) Cryptography concerns itself with four objectives: 1) Confidentiality (the information cannot be understood by anyone for whom it was unintended) 2) Integrity (the information cannot be altered in storage or transit between sender and intended receiver without the alteration being detected) 3) Non-repudiation (the creator/sender of the information cannot deny at a later stage his or her intentions in the creation or transmission of the information) 4) Authentication (the sender and receiver can confirm each other's identity and the origin/destination of the information) Procedures and protocols that meet some or all of the above criteria are known as cryptosystems
RSA calls it the science of using difficult problems to conceal information It is the study and use of methods designed to render information unintelligible Cryptography does not seek to hide the message, only the meaning of the message
The art and science of keeping files and messages secure It works by mathematically transforming a plaintext (or cleartext) message into a disguised ciphertext, a process known as encryption Decryption involves turning the ciphertext back into plaintext The mathematical function used for encryption and decryption is called a cryptographic algorithm or cipher
The mathematical science used to secure the confidentiality and authentication of data by transforming data in order to hide its information content, prevent undetected modification, and/or prevent unauthorized use
Mathematical frameworks that employ special characteristics of large numbers to algorithmically add one or more of the following characteristics to messages: confidentiality (secrecy), authenticity (known author), integrity (no modifications), and non-repudiation (author cannot deny authorship)
The art and science of using mathematics to secure information and create a high degree of trust in the electronic realm See also public key, secret key, symmetric-key, and threshold cryptography
A field science involving the transmission of information in an encoded form so that only an intended recipient can decode the information and reveal its meaning Encoded information is commonly said to be encrypted
The discipline which embodies principles, means, and methods for the transformation of data in order to hide its information content, prevent its undetected modification and/or prevent its unauthorised use [ISO 7498-2: 1989] [ISO 8732: 1988]
The art and science of information security It provides four basic information security functions: confidentiality, integrity, authentication, and nonrepudiation See also confidentiality; integrity; authentication; nonrepudiation
The act or art of writing in secret characters; also, secret characters, or cipher
The process of scrambling and unscrambling information so that only the intended parties can read it For example, when you send your payment data over the Internet for a purchase, cryptography can prevent everyone but the intended merchant from reading your Visa account number and card expiration date