Titlebook: State of the Art in Applied Cryptography; Course on Computer S Bart Preneel,Vincent Rijmen Book 1998 Springer-Verlag Berlin Heidelberg 1998

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Introduction to Computer Security,re, properly protected. In this paper, we first focus on the security policy. Then we examine the major threats that may compromise the security of information systems. Finally, we present an overview of security measures is presented.

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,Block Ciphers —A Survey,makes use of so-called . (.),i.e., a pair of plaintexts with difference ., which after a certain number of rounds result in a difference . with a high probability. The hulls and differentials can be used to derive (parts of) the secret key.

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,Cryptographic Primitives for Information Authentication — State of the Art,the large number of practical constructions for hash functions and to the recent developments in their cryptanalysis. It is also explained to what extent the security of these primitives can be reduced in a provable way to realistic assumptions.

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Securing Internet Electronic Mail,s paper we will show how easy it is to read other people‘s e-mail, and even change it without being caught. Thanks to an extensive use of cryptography, we can limit these risks. We will present and analyze an overview of the latest available standards and tools.

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Trends in the Fight Against Computer-Related Delinquency,edge or know-how has undergone with the technological wave a profound change in its form, speed and distance coverage. This mutative effect can certainly be beneficial to society in all its components (economic, strategic, intellectual, cultural).

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,Cryptographic Primitives for Information Authentication — State of the Art,h functions and digital signature schemes; the first class can be divided into Manipulation Detection Codes (MDCs, also known as one-way and collision resistant hash functions) and Message Authentication Codes (or MACs). The theoretical background is sketched, but most attention is paid to overview

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