theoretical one-time pad

См. также в других словарях:

• 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

• Time Banking — refers to a pattern of reciprocal service exchange which uses units of time as currency and is an example of an alternative economic system. A Time Bank, also known as a Service Exchange, is a community which practices time banking. The unit of… …   Wikipedia

• Time Squared Academy High School — is a high school in Providence, Rhode Island that specialises in teaching students science and mathematics.The Mission of Times2 Academy for Engineering, Mathematics, Science and Technology is to educate the youth of Providence in careers in… …   Wikipedia

• Cryptography — Secret code redirects here. For the Aya Kamiki album, see Secret Code. Symmetric key cryptography, where the same key is used both for encryption and decryption …   Wikipedia

• Claude Shannon — Claude Elwood Shannon (1916 2001) Born April …   Wikipedia

• Brute force attack — In cryptanalysis, a brute force attack is a method of defeating a cryptographic scheme by trying a large number of possibilities; for example, possible keys in order to decrypt a message. In most schemes, the theoretical possibility of a brute… …   Wikipedia

• Numbers station — Fictional example of a numbers station. Numbers stations (or number stations) are shortwave radio stations of uncertain origin. In the 1950s, Time magazine reported that the numbers stations first appeared shortly after World War II and were… …   Wikipedia

• Brute-force attack — The EFF s US$250,000 DES cracking machine contained over 1,800 custom chips and could brute force a DES key in a matter of days. The photograph shows a DES Cracker circuit board fitted with 32 Deep Crack chips and some control chips. In… …   Wikipedia

• History of cryptography — The history of cryptography begins thousands of years ago. Until recent decades, it has been the story of what might be called classic cryptography that is, of methods of encryption that use pen and paper, or perhaps simple mechanical aids. In… …   Wikipedia

• Communication theory — is a field of information and mathematics that studies the technical process of information[1] and the human process of human communication.[2] Contents 1 History 1.1 Origins …   Wikipedia

• Quanten-Kryptographie — Als Quantenkryptografie oder Quanten Schlüsselaustausch bezeichnet man mehrere Verfahren der Quanteninformatik. Sie nutzen Eigenschaften der Quantenmechanik, um zwei Parteien eine gemeinsame Zufallszahl zur Verfügung zu stellen. Diese Zahl wird… …   Deutsch Wikipedia