Advances in Cryptology — EUROCRYPT’ 85: Proceedings of a by Otto J. Horak (auth.), Franz Pichler (eds.)

By Otto J. Horak (auth.), Franz Pichler (eds.)

The garage, routing and transmission of data, both within the kind of electronic information or of analog signs, performs a crucial position in smooth society. to make sure that such details is protected against entry via unauthorized people is a vital new problem. the improvement of the idea and functional strategies had to meet this problem is the objective of present cryptological learn. This examine is very diversified and multidisciplinary. it's considering basic difficulties in arithmetic and theoretical machine technology in addition to with the engineering elements of advanced details platforms. Cryptology at the present time ranks one of the so much lively and engaging parts of analysis in either technology and engineering. EUROCRYPT '85 maintained the culture of the 3 earlier workshops during this sequence (Paris 1984, Udine 1983, Burg Feuerstein 1982) with its emphasis on fresh advancements in cryptology, but in addition made a concerted attempt to surround extra conventional subject matters in cryptology resembling shift check in concept and procedure thought. the various papers on those subject matters during this quantity are witness to the good fortune of this effort.

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By Otto J. Horak (auth.), Franz Pichler (eds.)

The garage, routing and transmission of data, both within the kind of electronic information or of analog signs, performs a crucial position in smooth society. to make sure that such details is protected against entry via unauthorized people is a vital new problem. the improvement of the idea and functional strategies had to meet this problem is the objective of present cryptological learn. This examine is very diversified and multidisciplinary. it's considering basic difficulties in arithmetic and theoretical machine technology in addition to with the engineering elements of advanced details platforms. Cryptology at the present time ranks one of the so much lively and engaging parts of analysis in either technology and engineering. EUROCRYPT '85 maintained the culture of the 3 earlier workshops during this sequence (Paris 1984, Udine 1983, Burg Feuerstein 1982) with its emphasis on fresh advancements in cryptology, but in addition made a concerted attempt to surround extra conventional subject matters in cryptology resembling shift check in concept and procedure thought. the various papers on those subject matters during this quantity are witness to the good fortune of this effort.

Show description

Read or Download Advances in Cryptology — EUROCRYPT’ 85: Proceedings of a Workshop on the Theory and Application of Cryptographic Techniques Linz, Austria, April 1985 PDF

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Extra resources for Advances in Cryptology — EUROCRYPT’ 85: Proceedings of a Workshop on the Theory and Application of Cryptographic Techniques Linz, Austria, April 1985

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Discr. Methods 5, 276-285 (1984). B. Chor and R. L. Rivest: A knapsack type public key cryptosystem based on arithmetic in finire fields, Proc. CRYPT0 ‘ 8 4 , to appear. D. Coppersmith: Fast evaluation of logarithms in fields of characteristic two, IEEE Trans. Inform. Theory 3 0 , 587-594 ( 1 9 8 4 ) . D. Coppersmith, A. M. Odlyzko, and R. Schroeppel: Discrete logarithms in GF(p), preprint. C. M. Fiduccia: An efficient formula for linear recurrences, SIAM J. Comput. 1 4 , 106-112 ( 1 9 8 5 ) . 39 8.

The secret group keys a r e s t o r e d in t h e same protected area. T h e keys a r e a u t h e n t i c a t e d with t h e secret personal key of t h e groupleader and f o r e a c h groupmember they are p r o t e c t e d by his (her) public personal key. The secret m a s t e r keys a r e s t o r e d in p r o t e c t e d area in t h e computer as i t is used f o r authentication of t h e keys t r a n s m i t t e d by t h e computer. The back-up of keys r e q u i r e s special a t t e n t i o n only for t h e s e c r e t personal key a n d t h e s e c r e t group key s i n c e no messages are stored with encryption under either m a s t e r k e y or computer key.

A choice of t h e cryptographic system is made (RSA public key). In Section 4 t h e key management is described, while in Section 5 t h e communication protocol is presented. Section 6 presents the conclusions. 2. Protection needs in t h e existing system. The Belgian Information System by Telephone (BISTEL) is t h e information network of the Belgian Coverment. I t comprises more than 120 videoterminals, word processors, laserprinters and telexterminals spread over the remote ministerial departments.

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