Buch, Englisch, Band 149, 402 Seiten, Format (B × H): 155 mm x 235 mm, Gewicht: 1280 g
Proceedings of the Workshop on Cryptography, Burg Feuerstein, Germany, March 29 - April 2, 1982
Buch, Englisch, Band 149, 402 Seiten, Format (B × H): 155 mm x 235 mm, Gewicht: 1280 g
Reihe: Lecture Notes in Computer Science
ISBN: 978-3-540-11993-7
Verlag: Springer Berlin Heidelberg
T. Beth (Ed.): Cryptography - EUROCRYPT '82, LNCS 149, pp. 1-28, 1983. 0 Springer-Verlag Berlin Heidelberg 1983 3 Having all of a sudden left the shady corner of semi-military art, modern cryptography has become a central topic of research in all areas of communication science. Definitions (cf. Bauer pp. 31 - 48) Cryptographic measures are applied to p- tect valuable data during transmission against unwanted interception INTERCEPTOR Fig. A: passive violation and (possibly undectable) forgery. Fig. 2: acti-se violation In accordance with the subsequent paper of Bauer (pp. 31 - 481, the technique applied to meet these requirements is called en- tion. In this process the transmitter enciphers (or encrypts) a plaintext message into a ciphertext. 4 ciphertexc ciphering Fig. 3: The Wire-tap-channel This transformation is called a cipher(function) which the au- rized receiver deciphers (decrypts). An enemy is a person or institution who wants illegal access to the messages. Assuming that the enemy can only get hold of the ciph- texts, he has to perform a cryptanalysis in order to reconstitute the plaintexts. To add to the difficulties for a cryptanalyst, the cipher functions are chosen to a varying parameter, called the key. A generator cryptosystem consists of a class of injective cipher functions ES:M-C, mapping plaintext messages(EM) into ciphertexts(EC). The parameter s runs through the set K of keys. These formulations are best demonstrated by the basic, classical examples.
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Weitere Infos & Material
Classical Cryptography.- Cryptology - Methods and Maxims.- Mechanical Cryptographic Devices.- Cryptanalysis of a Kryha Machine.- Enigma Variations.- Mathematical Foundations.- Encrypting by Random Rotations.- Analogue Scrambling Schemes.- Analogue Speech Security Systems.- A Voice Scrambling System for Testing and Demonstration.- The Rating of Understanding in Secure Voice Communications Systems.- Analysis of Multiple Access Channel Using Multiple Level FSK.- Analog Scrambling by the General Fast Fourier Transform.- Stream Ciphers.- Stream Ciphers.- Multiplexed Sequences: Some Properties of the Minimum Polynomial.- On Using Prime Polynomials in Crypto Generators.- Cryptography in Large communication Systems.- Communication Security in Remote Controlled Computer Systems.- Privacy and Data Protection in Medicine.- The Data Encryption Standard.- Cryptanalysis of the Data Encryption Standard by the Method of Formal Coding.- Are Big S-Boxes Best?.- The Average Cycle Size of The Key Stream in Output Feedback Encipherment.- Authentication Systems.- Authentication Procedures.- Fast Authentication in a Trapdoor-Knapsack Public Key Cryptosystem.- The Merkle — Hellman — Scheme.- A New Algorithm for the Solution of the Knapsack Problem.- Trapdoors in Knapsack Kryptosystems.- The Rivest - Shamir - Adleman - Scheme.- Is the RSA - Scheme safe? (Abstract).- Ein Effizienzvergleich der Faktorisierungsverfahren von Morrison-Brillhart und Schroeppel (Extended Abstract).- Finite Semigroups and The RSA-Cryptosystem.- How to Share a Secret.
