Advances in Cryptology - ASIACRYPT 2004
@inproceedings{Kittler2004AdvancesIC, title={Advances in Cryptology - ASIACRYPT 2004}, author={Josef Kittler and Moni Naor}, booktitle={Lecture Notes in Computer Science}, year={2004} }
We study a recently proposed design approach of Feistel ciphers which employs optimal diffusion mappings across multiple rounds. This idea was proposed by Shirai and Shibutani at FSE2004, and the technique enables to improve the immunity against either differential or linear cryptanalysis (but not both). In this paper, we present a theoretical explanation why the new design using three different matrices achieves the better immunity. In addition, we are able to prove conditions to improve the…
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Security Analysis and Implementation of Password-based Cryptosystem
- Computer Science, Mathematics
- 2005
This dissertation would provide a detailed analysis of the proof of security for the SNAPI protocol and explain how to bootstrap a short secret into a secure strong secret.