information theoretic cryptography

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• Information theoretic security — A cryptosystem is information theoretically secure if its security derives purely from information theory. That is, it is secure even when the adversary has unbounded computing power. An example of an information theoretically secure cryptosystem …   Wikipedia

• Information theory — Not to be confused with Information science. Information theory is a branch of applied mathematics and electrical engineering involving the quantification of information. Information theory was developed by Claude E. Shannon to find fundamental… …   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

• Private information retrieval — In cryptography, a private information retrieval (PIR) protocol allows a user to retrieve an item from a server in possession of a database without revealing which item she is retrieving. PIR is a weaker version of 1 out of n oblivious transfer,… …   Wikipedia

• Physical information — In physics, physical information refers generally to the information that is contained in a physical system. Its usage in quantum mechanics (i.e. quantum information) is important, for example in the concept of quantum entanglement to describe… …   Wikipedia

• Quantum information science — concerns information science that depends on quantum effects in physics. It includes theoretical issues in computational models as well as more experimental topics in quantum physics including what can and cannot be done with quantum information …   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

• Cryptographically secure pseudorandom number generator — A cryptographically secure pseudo random number generator (CSPRNG) is a pseudo random number generator (PRNG) with properties that make it suitable for use in cryptography. Many aspects of cryptography require random numbers, for example: Key… …   Wikipedia

• Cryonics — For the study of the production of very low temperatures, see Cryogenics. Technicians prepare a patient for cryopreservation. Cryonics (from Greek kryos meaning icy cold) is the low temperature preservation of humans and animals who can no longer …   Wikipedia

• Quantum entanglement — Quantum mechanics Uncertainty principle …   Wikipedia

• CBH-Theorem — Das CBH Theorem ist eine informationstheoretische Rekonstruktion der Quantenmechanik, die 2003 von den Philosophen R. Clifton, J. Bub und H. Halvorson ausgearbeitet wurde. Der Name des Theorems geht auf die Initialen seiner Autoren zurück. Gemäß… …   Deutsch Wikipedia