data security scrambler

См. также в других словарях:

• Scrambler — For other uses, see Scrambler (disambiguation). In telecommunications, a scrambler is a device that transposes or inverts signals or otherwise encodes a message at the transmitter to make the message unintelligible at a receiver not equipped with …   Wikipedia

• security and protection system — Introduction       any of various means or devices designed to guard persons and property against a broad range of hazards, including crime, fire, accidents, espionage, sabotage, subversion, and attack.       Most security and protection systems… …   Universalium

• Cryptanalysis of the Enigma — enabled the western Allies in World War II to read substantial amounts of secret Morse coded radio communications of the Axis powers that had been enciphered using Enigma machines. This yielded military intelligence which, along with that from… …   Wikipedia

• One-time pad — Excerpt from a one time pad In cryptography, the one time pad (OTP) is a type of encryption, which has been proven to be impossible to crack if used correctly. Each bit or character from the plaintext is encrypted by a modular addition with a bit …   Wikipedia

• Biuro Szyfrów — The Biuro Szyfrów ([ˈbʲurɔ ˈʂɨfruf] ( listen), Polish for Cipher Bureau ) was the interwar Polish General Staff s agency charged with both cryptography (the use of ciphers and codes) and cryptology (the study of ciphers and codes,… …   Wikipedia

• List of electronics topics — Alphabetization has been neglected in some parts of this article (the b section in particular). You can help by editing it. This is a list of communications, computers, electronic circuits, fiberoptics, microelectronics, medical electronics,… …   Wikipedia

• NSA encryption systems — The National Security Agency took over responsibility for all U.S. Government encryption systems when it was formed in 1952. The technical details of most NSA approved systems are still classified, but much more about its early systems has become …   Wikipedia

• Reverse engineering — is the process of discovering the technological principles of a device, object, or system through analysis of its structure, function, and operation. It often involves taking something (e.g., a mechanical device, electronic component, software… …   Wikipedia

• STU-III — is a family of secure telephones introduced in 1987 by the NSA for use by the United States government, its contractors, and its allies. STU III desk units look much like typical office telephones, plug into a standard telephone wall jack and can …   Wikipedia

• Secure voice — (alternatively secure speech or ciphony) is a term in cryptography for the encryption of voice communication over a range of communication types such as radio, telephone or IP. Contents 1 History 2 Analog Secure Voice technologies 3 Di …   Wikipedia

• Addressable Systems — or Addressability for use in Cable Television Communication Systems are generally known. Addressability is typically regarded as the administration and control of addressable devices, known generically as Provisioning or Activation in the… …   Wikipedia