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Researchers

Distinguished Researchers Yu Sasaki
  • Distinguished Researcher

    Yu Sasaki

  • NTT Social Informatics Laboratories

    Research on cryptography, particularly on symmetric-key cryptosystem including lightweight cryptography and side-channel countermeasures

    We are developing secure and efficient symmetric-key cryptosystems. We also perform cryptanalysis for internationally standardized algorithms.

    Awards

    • SCIS 2007 Paper Award "New Differential Path Search Algorithm for SHA-1"
    • IWSEC 2009 Best Paper Award "Known-Key Attacks on Rijndael with Large Blocks and Strengthening ShiftRow Parameter"
    • IEICE Paper Award from April 2009 to March 2010 "Extended Password Recovery Attacks against APOP, SIP, and Digest Authentication"
    • SECRYPT 2012 Best Paper Award "Byte Slicing Grøstl - Optimized Intel AES-NI and 8-bit Implementations of the SHA-3 Finalist Grøstl"
    • IWSEC 2012 Best Paper Award "Boomerang Distinguishers for Full HAS-160 Compression Function"
    • IEICE Paper Award from April 2018 to March 2019 "On the Design Rationale of SIMON Block Cipher: Integral Attacks and Impossible Differential Attacks against SIMON Variants"

    Academic Activities

    • 2018-2020 Editor-in-Chief of the IACR Transactions on Symmetric Cryptology

    Visiting Professor

    • From Jan. 2015 to March 2016. Senior research fellow at Nanyang Technological University, Singapore.

    Publications

    Books

    • "Security of Block Ciphers - From Algorithm Design to Hardware Implementation" (Wiley, 2015)

    Papers

    Major publication

    • Yusuke Naito, Yu Sasaki and Takeshi Sugawara, Lightweight Authenticated Encryption Mode Suitable for Threshold Implementation, EUROCRYPT 2020, Part II, Lecture Notes in Computer Science, volume 12106, pages 705--735, Springer, 2020.
    • Carlos Cid, Tao Huang, Thomas Peyrin, Yu Sasaki and Ling Song, Boomerang Connectivity Table: A New Cryptanalysis Tool, EUROCRYPT 2018, Part II, Lecture Notes in Computer Science, volume 10821, pages 683--714, Springer, 2018,
    • Akinori Hosoyamada, Yu Sasaki and Keita Xagawa, Quantum Multicollision-Finding Algorithm, ASIACRYPT 2017, Part II, Lecture Notes in Computer Science, volume 10625, pages 179--210, Springer, 2017.
    • Christof Beierle, Jérémy Jean, Stefan Kölbl, Gregor Leander, Amir Moradi, Thomas Peyrin, Yu Sasaki, Pascal Sasdrich and Siang Meng Sim, The SKINNY Family of Block Ciphers and Its Low-Latency Variant MANTIS, CRYPTO 2016, Part II, Lecture Notes in Computer Science, volume 9815, pages 123--153, Springer, 2016.
    • Yu Sasaki and Kazumaro Aoki, Finding Preimages in Full MD5 Faster Than Exhaustive Search, EUROCRYPT 2009, Lecture Notes in Computer Science, volume 5479, pages 134--152, Springer, 2009

    Keywords

    • cryptography, symmetric-key cryptosystem, blockcipher, design, cryptanalysis

    More Research Activity

    A list of all the publication

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