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Takanori ISOBE

Meet-in-the-Middle Key Recovery Attacks on a Single-Key Two-Round Even-Mansour Cipher Takanori ISOBE Kyoji SHIBUTANI
Publication: Publication Date: 2019/01/01 Vol. E102-A No. 1 pp. 17-26 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: block cipher, Even-Mansour ciphers, meet-in-the-middle attack, key recovery, partial invariable pair, matching with the input-restricted public permutation,
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Theoretical Understanding of Some Conditional and Joint Biases in RC4 Stream Cipher Sonu JHA Subhadeep BANIK Takanori ISOBE Toshihiro OHIGASHI Santanu SARKAR
Publication: Publication Date: 2018/11/01 Vol. E101-A No. 11 pp. 1869-1879 Type of Manuscript: PAPER Category: Cryptography and Information Security Keyword: RC4, triple-byte biases, conditional biases, distinguishing attacks, 3-predictive-3-states,
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Cryptanalysis of Reduced Kreyvium Yuhei WATANABE Takanori ISOBE Masakatu MORII
Publication: Publication Date: 2018/09/01 Vol. E101-A No. 9 pp. 1548-1556 Type of Manuscript: PAPER Category: Cryptography and Information Security Keyword: differential cryptanalysis, conditional differential, higher-order differential, distinguisher, key recovery attack, Kreyvium,
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On Design of Robust Lightweight Stream Cipher with Short Internal State Subhadeep BANIK Takanori ISOBE Masakatu MORII
Publication: Publication Date: 2018/01/01 Vol. E101-A No. 1 pp. 99-109 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: even-mansour, lightweight, stream cipher, short internal state, TMD tradeoff,
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Analysis and Improvements of the Full Spritz Stream Cipher Subhadeep BANIK Takanori ISOBE Masakatu MORII
Publication: Publication Date: 2017/06/01 Vol. E100-A No. 6 pp. 1296-1305 Type of Manuscript: PAPER Category: Cryptography and Information Security Keyword: RC4, Spritz, stream cipher, short-term bias, long-term bias, distinguishing attack, plaintext recovery attack, state recovery attack,
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How to Efficiently Exploit Different Types of Biases for Plaintext Recovery of RC4 Yuhei WATANABE Takanori ISOBE Toshihiro OHIGASHI Masakatu MORII
Publication: Publication Date: 2017/03/01 Vol. E100-A No. 3 pp. 803-810 Type of Manuscript: PAPER Category: Cryptography and Information Security Keyword: RC4, SSL/TLS, plaintext recovery attack, keystream biases,
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Full Plaintext Recovery Attacks on RC4 Using Multiple Biases Toshihiro OHIGASHI Takanori ISOBE Yuhei WATANABE Masakatu MORII
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2015/01/01 Vol. E98-A No. 1 pp. 81-91 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Symmetric Key Based Cryptography Keyword: RC4, stream cipher, keystream biases, plaintext recovery attack, guess-and-determine attack, broadcast setting,
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Comprehensive Analysis of Initial Keystream Biases of RC4 Takanori ISOBE Toshihiro OHIGASHI Yuhei WATANABE Masakatu MORII
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2014/01/01 Vol. E97-A No. 1 pp. 139-151 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Symmetric Key Based Cryptography Keyword: RC4, stream cipher, keystream biases, plaintext recovery attack, multiple key distinguisher, key recovery attack, broadcast setting,
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A Chosen-IV Key Recovery Attack on Py and Pypy Takanori ISOBE Toshihiro OHIGASHI Hidenori KUWAKADO Masakatu MORII
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2009/01/01 Vol. E92-D No. 1 pp. 32-40 Type of Manuscript: PAPER Category: Application Information Security Keyword: cryptanalysis, stream cipher, Py, Pypy, eSTREAM, key recovery attack,
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