4 Result(s)
within
Computer Communication Networks
Security Services
Yosuke Todo
Chapter
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Chapter and Conference Paper
PRINCEv2
In this work, we propose tweaks to the PRINCE block cipher that help us to increase its security without changing the number of rounds or round operations. We get substantially higher security for the same comple...
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Chapter and Conference Paper
A Modular Approach to the Incompressibility of Block-Cipher-Based AEADs
Incompressibility is one of the most fundamental security goals in white-box cryptography. Given recent advances in the design of efficient and incompressible block ciphers such as SPACE, SPNbox and WhiteBlock, w...
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Chapter and Conference Paper
Designing S-Boxes Providing Stronger Security Against Differential Cryptanalysis for Ciphers Using Byte-Wise XOR
In this paper, we develop an S-box designing method by considering an interplay between an S-box and a linear layer, which enhances security against differential cryptanalysis. The basic idea can be found in b...
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Chapter and Conference Paper
Improving Linear Key Recovery Attacks Using Walsh Spectrum Puncturing
In some linear key recovery attacks, the function which determines the value of the linear approximation from the plaintext, ciphertext and key is replaced by a similar map in order to improve the time or memo...
