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Cryptography : Proceedings of the Workshop on Cryptography, Burg Feuerstein, Germany, March 29 - April 2, 1982 - T. Beth


Proceedings of the Workshop on Cryptography, Burg Feuerstein, Germany, March 29 - April 2, 1982

By: T. Beth (Editor)


Published: 1st February 1983
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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.

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.

ISBN: 9783540119937
ISBN-10: 3540119930
Series: Lecture Notes in Computer Science
Audience: General
Format: Paperback
Language: English
Number Of Pages: 402
Published: 1st February 1983
Publisher: Springer-Verlag Berlin and Heidelberg Gmbh & Co. Kg
Country of Publication: DE
Dimensions (cm): 23.39 x 15.6  x 2.16
Weight (kg): 0.58