helger

См. также в других словарях:

• Helger Hauck — (* 10. Dezember 1942 in Melk) ist ein österreichischer medizinischer Physiker und ehemaliger Hochschullehrer. Inhaltsverzeichnis 1 Leben und Wirken 2 Auszeichnungen 3 Schriften (Auswahl) …   Deutsch Wikipedia

• Helger — Variante von → Helgar (Bedeutung: der Heilige, auch: der Unversehrte); althochdeutscher Ursprung, Bedeutungszusammensetzung aus: »unversehrt« und »Speer« …   Deutsch namen

• Oblivious transfer — In cryptography, an oblivious transfer protocol (often abbreviated OT) is a type of protocol in which a sender transfers one of potentially many pieces of information to a receiver, but remains oblivious as to what piece (if any) has been… …   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

• Homomorphic encryption — is a form of encryption where one can perform a specific algebraic operation on the plaintext by performing a (possibly different) algebraic operation on the ciphertext. Depending on one s viewpoint, this can be seen as a positive or negative… …   Wikipedia

• IDEA — У этого термина существуют и другие значения, см. IDEA (значения). IDEA, International Data Encryption Algorithm …   Википедия

• Deutsches Institut für Erfindungswesen — Das Deutsche Institut für Erfindungswesen e.V. (DIE) ist ein Verein, der das Erfindungswesen in Deutschland auf wissenschaftlicher Basis fördert und unterstützt. Sein Ziel ist es, dadurch die Innovationskultur in Deutschland zu verbessern. Eine… …   Deutsch Wikipedia

• Differential cryptanalysis — is a general form of cryptanalysis applicable primarily to block ciphers, but also to stream ciphers and cryptographic hash functions. In the broadest sense, it is the study of how differences in an input can affect the resultant difference at… …   Wikipedia

• RC4 — In cryptography, RC4 (also known as ARC4 or ARCFOUR meaning Alleged RC4, see below) is the most widely used software stream cipher and is used in popular protocols such as Secure Sockets Layer (SSL) (to protect Internet traffic) and WEP (to… …   Wikipedia

• RC5 — Infobox block cipher name = RC5 caption = One round (two half rounds) of the RC5 block cipher designers = Ron Rivest publish date = 1994 derived from = derived to = RC6, Akelarre key size = 0 to 2040 bits (128 suggested) block size = 32, 64 or… …   Wikipedia

• Block cipher modes of operation — This article is about cryptography. For method of operating , see modus operandi. In cryptography, modes of operation is the procedure of enabling the repeated and secure use of a block cipher under a single key.[1][2] A block cipher by itself… …   Wikipedia