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Techniques for Block Cipher Cryptanalysis

Boek - Dissertatie

The research interests of my PhD study are the analysis and design of symmetric-key primitives, especially block ciphers. Block ciphers are the basis of symmetric-key cryptography. During the last two decades, comprehensive insights on the analytic methods and the design criteria are developed. For cryptanalysts, a major question is to find good distinguishers, such as differential characteristics and linear trails. One of my main interests will be the computer-aid automatic search of distinguishers, which may free analysts from intensive manual works. Among various cryptanalytic methods, links and connections between them can be explored. Apart from the theoretical importance, it also helps with deducing the provable bounds against certain cryptanalyses. Furthermore, with a better understanding into the existing cryptanalyses, we may be able to create novel cryptanalytic methods based on the previous ones, and find improved attacks. On the other hand, in order to resist known attacks and achieve better hardware implementations, the design philosophy of block ciphers is also extensively studied. An interesting question is the tradeoff between the lightweight components for block ciphers and its security margin. In particular, I am interested in the construction of new components in the aspect of mathematics.
Jaar van publicatie:2018
Toegankelijkheid:Open