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Encryption

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In cryptography, encryption is the process of encoding a message or information in such a way that only authorized parties can access it and those who are not authorized cannot. [1]

54 relations: Abraham Sinkov, Active defense, Automated teller machine, Bart Preneel, Bluetooth, Brute-force attack, Cipher, Ciphertext, Ciphertext stealing, Cold boot attack, Computer network, Computer Security Institute, Copy protection, Crypto-shredding, Cryptography, Cyberspace Electronic Security Act, Data erasure, David Kahn (writer), Digital rights management, Digital signature, Disk encryption, E-commerce, Eavesdropping, Encryption software, Export of cryptography, Geo-blocking, Hardware-based encryption, Insider threat, IOS, Key (cryptography), Key management, Message authentication code, Mobile phone, Oded Goldreich, Phil Zimmermann, Plaintext, Pretty Good Privacy, Pseudorandomness, Public-key cryptography, Ransomware, Reverse engineering, Rotor machine, Substitution cipher, Symantec, Symmetric-key algorithm, Tahoe-LAFS, Television encryption, Tempest (codename), Tokenization (data security), Traffic analysis, ..., Trojan horse (computing), USB flash drive, Wireless intercom, Wireless microphone. Expand index (4 more) »

Abraham Sinkov

Abraham "Abe" Sinkov (August 22, 1907 – January 19, 1998) was a US cryptanalyst.

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Active defense

Active defense can refer to a defensive strategy in the military or cybersecurity arena.

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Automated teller machine

An automated teller machine (ATM) is an electronic telecommunications device that enables customers of financial institutions to perform financial transactions, such as cash withdrawals, deposits, transfer funds, or obtaining account information, at any time and without the need for direct interaction with bank staff.

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Bart Preneel

Bart Preneel (born 15 October 1963) is a Flemish cryptographer and cryptanalyst.

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Bluetooth

Bluetooth is a wireless technology standard for exchanging data over short distances (using short-wavelength UHF radio waves in the ISM band from 2.4 to 2.485GHz) from fixed and mobile devices, and building personal area networks (PANs).

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Brute-force attack

In cryptography, a brute-force attack consists of an attacker trying many passwords or passphrases with the hope of eventually guessing correctly.

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Cipher

In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption—a series of well-defined steps that can be followed as a procedure.

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Ciphertext

In cryptography, ciphertext or cyphertext is the result of encryption performed on plaintext using an algorithm, called a cipher.

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Ciphertext stealing

In cryptography, ciphertext stealing (CTS) is a general method of using a block cipher mode of operation that allows for processing of messages that are not evenly divisible into blocks without resulting in any expansion of the ciphertext, at the cost of slightly increased complexity.

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Cold boot attack

In cryptography, a cold boot attack (or to a lesser extent, a platform reset attack) is a type of side channel attack in which an attacker with physical access to a computer is able to retrieve encryption keys from a running operating system after using a cold reboot to restart the machine.

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Computer network

A computer network, or data network, is a digital telecommunications network which allows nodes to share resources.

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Computer Security Institute

The Computer Security Institute (CSI) was a professional membership organization serving practitioners of information, network, and computer-enabled physical security, from the level of system administrator to the chief information security officer.

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Copy protection

Copy protection, also known as content protection, copy prevention and copy restriction, is any effort designed to prevent the reproduction of software, films, music, and other media, usually for copyright reasons.

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Crypto-shredding

Crypto-shredding is the practice of 'deleting' data by deliberately deleting or overwriting the encryption keys.

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Cryptography

Cryptography or cryptology (from κρυπτός|translit.

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Cyberspace Electronic Security Act

The Cyberspace Electronic Security Act of 1999 (CESA) is a bill proposed by the Clinton administration during the 106th United States Congress that enables the government to harvest keys used in encryption.

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Data erasure

Data erasure (sometimes referred to as data clearing or data wiping) is a software-based method of overwriting the data that aims to completely destroy all electronic data residing on a hard disk drive or other digital media by using zeros and ones to overwrite data onto all sectors of the device.

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David Kahn (writer)

David Kahn (b. February 7, 1930*) is a US historian, journalist and writer.

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Digital rights management

Digital rights management (DRM) is a set of access control technologies for restricting the use of proprietary hardware and copyrighted works.

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Digital signature

A digital signature is a mathematical scheme for presenting the authenticity of digital messages or documents.

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Disk encryption

Disk encryption is a technology which protects information by converting it into unreadable code that cannot be deciphered easily by unauthorized people.

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E-commerce

E-commerce is the activity of buying or selling of products on online services or over the Internet.

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Eavesdropping

Eavesdropping is secretly or stealthily listening to the private conversation or communications of others without their consent.

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Encryption software

Encryption software is software that uses cryptography to prevent unauthorized access to digital information.

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Export of cryptography

The export of cryptography is the transfer from one country to another of devices and technology related to cryptography.

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Geo-blocking

Geo-blocking or geoblocking is technology that restricts access to Internet content based upon the user's geographical location.

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Hardware-based encryption

Hardware-based encryption is the use of computer hardware to assist software, or sometimes replace software, in the process of data encryption.

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Insider threat

An insider threat is a malicious threat to an organization that comes from people within the organization, such as employees, former employees, contractors or business associates, who have inside information concerning the organization's security practices, data and computer systems.

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IOS

iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware.

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Key (cryptography)

In cryptography, a key is a piece of information (a parameter) that determines the functional output of a cryptographic algorithm.

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Key management

Key management refers to management of cryptographic keys in a cryptosystem.

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Message authentication code

In cryptography, a message authentication code (MAC), sometimes known as a tag, is a short piece of information used to authenticate a message—in other words, to confirm that the message came from the stated sender (its authenticity) and has not been changed.

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Mobile phone

A mobile phone, known as a cell phone in North America, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.

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Oded Goldreich

Oded Goldreich (עודד גולדרייך; b. 1957) is a professor of Computer Science at the Faculty of Mathematics and Computer Science of Weizmann Institute of Science, Israel.

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Phil Zimmermann

Philip R. "Phil" Zimmermann, Jr. (born February 12, 1954) is the creator of Pretty Good Privacy (PGP), the most widely used email encryption software in the world.

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Plaintext

In cryptography, plaintext or cleartext is unencrypted information, as opposed to information encrypted for storage or transmission.

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Pretty Good Privacy

Pretty Good Privacy (PGP) is an encryption program that provides cryptographic privacy and authentication for data communication.

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Pseudorandomness

A pseudorandom process is a process that appears to be random but is not.

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Public-key cryptography

Public-key cryptography, or asymmetric cryptography, is any cryptographic system that uses pairs of keys: public keys which may be disseminated widely, and private keys which are known only to the owner.

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Ransomware

Ransomware is a type of malicious software from cryptovirology that threatens to publish the victim's data or perpetually block access to it unless a ransom is paid.

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Reverse engineering

Reverse engineering, also called back engineering, is the process by which a man-made object is deconstructed to reveal its designs, architecture, or to extract knowledge from the object; similar to scientific research, the only difference being that scientific research is about a natural phenomenon.

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Rotor machine

In cryptography, a rotor machine is an electro-mechanical stream cipher device used for encrypting and decrypting secret messages.

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Substitution cipher

In cryptography, a substitution cipher is a method of encrypting by which units of plaintext are replaced with ciphertext, according to a fixed system; the "units" may be single letters (the most common), pairs of letters, triplets of letters, mixtures of the above, and so forth.

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Symantec

Symantec Corporation (commonly known as Symantec) is an American software company headquartered in Mountain View, California, United States.

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Symmetric-key algorithm

Symmetric-key algorithms are algorithms for cryptography that use the same cryptographic keys for both encryption of plaintext and decryption of ciphertext.

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Tahoe-LAFS

Tahoe-LAFS (Tahoe Least-Authority File Store) is a free and open, secure, decentralized, fault-tolerant, distributed data store and distributed file system.

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Television encryption

Television encryption, often referred to as "scrambling", is encryption used to control access to pay television services, usually cable or satellite television services.

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Tempest (codename)

TEMPEST is a National Security Agency specification and a NATO certification referring to spying on information systems through leaking emanations, including unintentional radio or electrical signals, sounds, and vibrations.

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Tokenization (data security)

Tokenization, when applied to data security, is the process of substituting a sensitive data element with a non-sensitive equivalent, referred to as a token, that has no extrinsic or exploitable meaning or value.

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Traffic analysis

Traffic analysis is the process of intercepting and examining messages in order to deduce information from patterns in communication, which can be performed even when the messages are encrypted.

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Trojan horse (computing)

In computing, a Trojan horse, or Trojan, is any malicious computer program which misleads users of its true intent.

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USB flash drive

A USB flash drive, also variously known as a thumb drive, pen drive, gig stick, flash stick, jump drive, disk key, disk on key (after the original M-Systems DiskOnKey drive from 2000), flash-drive, memory stick (not to be confused with the Sony Memory Stick), USB stick or USB memory, is a data storage device that includes flash memory with an integrated USB interface.

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Wireless intercom

A wireless intercom is a telecommunications device that enables voice communication without the need to run copper wires between intercom stations.

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Wireless microphone

A wireless microphone is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated.

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References

[1] https://en.wikipedia.org/wiki/Encryption

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