IEICE Trans

Tetsutaro KOBAYASHI

Exposure-Resilient Identity-Based Dynamic Multi-Cast Key Distribution Kazuki YONEYAMA Reo YOSHIDA Yuto KAWAHARA Tetsutaro KOBAYASHI Hitoshi FUJI Tomohide YAMAMOTO
Publication: Publication Date: 2018/06/01 Vol. E101-A No. 6 pp. 929-944 Type of Manuscript: PAPER Category: Cryptography and Information Security Keyword: multi-cast key distribution, ID-based cryptography, exposure resilience, scalability,
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id-eCK Secure ID-Based Authenticated Key Exchange on Symmetric and Asymmetric Pairing Atsushi FUJIOKA Fumitaka HOSHINO Tetsutaro KOBAYASHI Koutarou SUZUKI Berkant USTAOLU Kazuki YONEYAMA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2013/06/01 Vol. E96-A No. 6 pp. 1139-1155 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: identity-based authenticated key exchange, gap Bilinear Diffie-Hellman assumption, identity-based extended Canetti-Krawczyk model, random oracle model,
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Faster MapToPoint on Supersingular Elliptic Curves in Characteristic 3 Yuto KAWAHARA Tetsutaro KOBAYASHI Gen TAKAHASHI Tsuyoshi TAKAGI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/01/01 Vol. E94-A No. 1 pp. 150-155 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Mathematics Keyword: MapToPoint, characteristic 3, supersingular elliptic curves, trace, η_T pairing,
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Anonymous Hierarchical Identity-Based Encryption with Short Ciphertexts Jae Hong SEO Tetsutaro KOBAYASHI Miyako OHKUBO Koutarou SUZUKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/01/01 Vol. E94-A No. 1 pp. 45-56 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Public Key Cryptography Keyword: anonymous identity-based encryption, anonymous hierarchical identity-based encryption, public-key encryption with keyword search,
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Security of ESIGN-PSS Tetsutaro KOBAYASHI Eiichiro FUJISAKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2007/07/01 Vol. E90-A No. 7 pp. 1395-1405 Type of Manuscript: PAPER Category: Information Security Keyword: ESIGN, PSS encoding, AER assumption, existential unforgeability against chosen-message attack (CMA security),
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Candidate One-Way Functions on Non-Supersingular Elliptic Curves Taiichi SAITO Fumitaka HOSHINO Shigenori UCHIYAMA Tetsutaro KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/01/01 Vol. E89-A No. 1 pp. 144-150 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Elliptic Curve Cryptography Keyword: one-way function, pairing-based cryptosystem, distortion map, the Weil and the Tate pairings, co-Diffie-Hellman problem,
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Efficient Algorithms for Tate Pairing Tetsutaro KOBAYASHI Kazumaro AOKI Hideki IMAI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/01/01 Vol. E89-A No. 1 pp. 134-143 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Elliptic Curve Cryptography Keyword: Weil pairing, Tate pairing, elliptic curve cryptosystem, fast computation,
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Non-Supersingular Elliptic Curves for Pairing-Based Cryptosystems Taiichi SAITO Fumitaka HOSHINO Shigenori UCHIYAMA Tetsutaro KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/05/01 Vol. E87-A No. 5 pp. 1203-1205 Type of Manuscript: Special Section LETTER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: non-supersingular elliptic curve, pairing-based cryptosystem, the Weil and the Tate pairings,
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A Cyclic Window Algorithm for Elliptic Curves over OEF Tetsutaro KOBAYASHI Fumitaka HOSHINO Kazumaro AOKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/01/01 Vol. E86-A No. 1 pp. 121-128 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Asymmetric Ciphers Keyword: cyclic window algorithm, optimal extension field, base-φ expansion, elliptic curve cryptosystem,
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Efficient τ-Adic Sliding Window Method on Elliptic Curve Cryptosystems Hiroaki OGURO Tetsutaro KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/01/01 Vol. E86-A No. 1 pp. 113-120 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Asymmetric Ciphers Keyword: elliptic curve cryptosystem, scalar multiplication, τ-adic sliding window method, precomputation, fast implementation,
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Lenient/Strict Batch Verification in Several Groups Fumitaka HOSHINO Masayuki ABE Tetsutaro KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/01/01 Vol. E86-A No. 1 pp. 64-72 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Symmetric Ciphers and Hash Functions Keyword: batch verification, elliptic curve cryptosystem,
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Base-φ Method for Elliptic Curves over OEF Tetsutaro KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/04/25 Vol. E83-A No. 4 pp. 679-686 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: elliptic curve cryptosystem, scalar multiplication, OEF, finite field, Frobenius map, table reference method,
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Remarks on Elliptic Curve Discrete Logarithm Problems Naoki KANAYAMA Tetsutaro KOBAYASHI Taiichi SAITO Shigenori UCHIYAMA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/01/25 Vol. E83-A No. 1 pp. 17-23 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: elliptic curve discrete logarithm problem, MOV algorithm, FR algorithm,
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Fast Modular Inversion Algorithm to Match Any Operation Unit Tetsutaro KOBAYASHI Hikaru MORITA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/05/25 Vol. E82-A No. 5 pp. 733-740 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: modular inversion, Montgomery method, binary GCD, Euclidean algorithm, elliptic curve cryptosystem,
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