IEICE Trans

Masao KASAHARA

Security of a Class of Knapsack Public-Key Cryptosystems against Low-Density Attack Takeshi NASAKO Yasuyuki MURAKAMI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/10/01 Vol. E91-A No. 10 pp. 2889-2892 Type of Manuscript: Special Section LETTER (Special Section on Information Theory and Its Applications) Category: Cryptography and Information Security Keyword: knapsack PKC, Gaussian integers, low-density attack,
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A Construction of Public-Key Cryptosystem Using Algebraic Coding on the Basis of Superimposition and Randomness Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/01/01 Vol. E89-A No. 1 pp. 47-54 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Public Key Cryptography Keyword: algebraic coding, random coding, public-key cryptosystem,
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A Construction of Public-Key Cryptosystem Based on Singular Simultaneous Equations Masao KASAHARA Ryuichi SAKAI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/01/01 Vol. E88-A No. 1 pp. 74-80 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Public Key Cryptography Keyword: public-key cryptosystem, singular simultaneous equations, multivariate polynomials,
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A Construction of Public Key Cryptosystem for Realizing Ciphertext of Size 100 Bit and Digital Signature Scheme Masao KASAHARA Ryuichi SAKAI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/01/01 Vol. E87-A No. 1 pp. 102-109 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Asymmetric Cipher Keyword: public key cryptosystem, simultaneous equations, multivariate polynomial, digital signature,
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A New Traitor Tracing Shigeo MITSUNARI Ryuichi SAKAI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/02/01 Vol. E85-A No. 2 pp. 481-484 Type of Manuscript: PAPER Category: Information Security Keyword: traitor tracing, Weil pairing, elliptic curve,
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New Product-Sum Type Public-Key Cryptosystems with Selectable Encryption Key Based on Chinese Remainder Theorem Kiyoko KATAYANAGI Yasuyuki MURAKAMI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/02/01 Vol. E85-A No. 2 pp. 472-480 Type of Manuscript: PAPER Category: Information Security Keyword: public-key cryptosystem, product-sum type cryptosystem, low-density attack, Chinese remainder theorem, selectable encryption key,
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A New Product-Sum Public-Key Cryptosystem Using Message Extension Kiyoko KATAYANAGI Yasuyuki MURAKAMI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/10/01 Vol. E84-A No. 10 pp. 2482-2487 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Information Security Keyword: product-sum public-key cryptosystem, Chinese remainder theorem, low-density attack, high density, message extension,
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A New Product-Sum Type Public Key Cryptosystem Based on Reduced Bases Daisuke SUZUKI Yasuyuki MURAKAMI Ryuichi SAKAI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/01/01 Vol. E84-A No. 1 pp. 326-330 Type of Manuscript: Special Section LETTER (Special Section on Cryptography and Information Security) Category: Keyword: low-density attack, product-sum type public key cryptosystems, reduced base,
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New Multiplicative Knapsack-Type Public Key Cryptosystems Shinya KIUCHI Yasuyuki MURAKAMI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/01/01 Vol. E84-A No. 1 pp. 188-196 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: Morii-Kasahara cryptosystem, Schalkwijk algorithm, high rate, fast encryption, discrete logarithm problem,
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A New Probabilistic ID-Based Non-interactive Key Sharing Scheme Yasuyuki MURAKAMI Ryuichi SAKAI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/01/25 Vol. E83-A No. 1 pp. 2-9 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: ID, key sharing, non-interactive, ID-based non-interactive key sharing scheme (ID-NIKS), linear attack, collusion attack,
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New Methods of Generating Primes Secure against Both P-1 and P+1 Methods Yoshizo SATO Yasuyuki MURAKAMI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/10/25 Vol. E82-A No. 10 pp. 2161-2166 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Security Keyword: prime generation, P-1 method, P+1 method, trial division method,
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An Upper Bound on Frame Error Rate for Generalized Concatenated Convolutional Codes Tadashi WADAYAMA Koichiro WAKASUGI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/06/25 Vol. E82-A No. 6 pp. 1126-1130 Type of Manuscript: LETTER Category: Information Theory and Coding Theory Keyword: generalized concatenated code, convolutional code, frame error rate, iterative decoding,
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A Method for Evaluating Minimum Free Chernov Distance of Trellis-Codes for Discrete Memoryless Channel Tadashi WADAYAMA Koichiro WAKASUGI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/10/25 Vol. E81-A No. 10 pp. 1972-1978 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: Chernov distance, discrete memoryless channel, trellis-code, minimum free distance,
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An Upper Bound on Bit Error Rate for Concatenated Convolutional Code Tadashi WADAYAMA Koichiro WAKASUGI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/11/25 Vol. E80-A No. 11 pp. 2123-2129 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: concatenated code, convolutional code, interleave, Reed-Solomon code, burst correction,
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A Class of Trellis-Codes for Partial Response Channel Tadashi WADAYAMA Atsushi NAGAO Koichiro WAKASUGI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/02/25 Vol. E80-A No. 2 pp. 386-392 Type of Manuscript: PAPER Category: Information Theory and Coding Theory Keyword: trellis code, partial-response channnel,
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Matched Design Method for Concatenated Trellis-Coded Modulation Tadashi WADAYAMA Koichiro WAKASUGI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/11/25 Vol. E79-A No. 11 pp. 1911-1917 Type of Manuscript: PAPER Category: Information Theory and Coding Theory Keyword: trellis-coded modulation, concatenated code, weight distribution,
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Some Optimal and Quasi-Optimal Binary Codes from Cyclic Codes over GF(2^m) Katsumi SAKAKIBARA Masao KASAHARA Yoshiharu YUBA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/10/25 Vol. E79-A No. 10 pp. 1737-1738 Type of Manuscript: LETTER Category: Information Theory and Coding Theory Keyword: optimal binary codes, binary image of cyclic codes, Griesmer bound, concatenated structure,
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Notes on the Average Binary Weight Enumerator of Generalized Algebraic-Geometric Codes Takeshi UMEDA Katsumi SAKAKIBARA Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/09/25 Vol. E79-A No. 9 pp. 1444-1446 Type of Manuscript: Special Section LETTER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: Varshamov-Gilbert bound, algebraic-geometric codes, binary expansion, average weight enumerator,
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On the Unequal Error Protection Capability of a q-Ary Image of a Low-Rate q^m-Ary Cyclic Code Katsumi SAKAKIBARA Masao KASAHARA Yoshiharu YUBA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/09/25 Vol. E79-A No. 9 pp. 1305-1312 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Coding Theory Keyword: unequal error protection, q-ary image of q^m-ary cyclic code, concatenated structure,
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On Ambiguity in Coppersmith' Attacking Method a against NIKS-TAS Scheme Shigeo TSUJII Kiyomichi ARAKI Masao KASAHARA Eiji OKAMOTO Ryuichi SAKAI Yasuo MAEDA Tomohiko YAGISAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/01/25 Vol. E79-A No. 1 pp. 66-75 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: modulo degeneracy, cryptanalysis, ID-based key sharing, NIKS-TAS,
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High Rate Binary Coset Code Used for Inner Code Tadashi WADAYAMA Koichiro WAKASUGI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1995/09/25 Vol. E78-A No. 9 pp. 1071-1076 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Keyword: concatenated code, coset code, convolutional code, weight distribution,
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Multi-Dimensional Block Shaping Tadashi WADAYAMA Koichiro WAKASUGI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1995/08/25 Vol. E78-A No. 8 pp. 1034-1041 Type of Manuscript: PAPER Category: Information Theory and Coding Theory Keyword: shaping, coded modulation, MAW-code,
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A New Class of Non-interactive ID-Based Key Sharing Schemes and Its Performances Ryuichi SAKAI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1995/01/25 Vol. E78-A No. 1 pp. 51-58 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: key sharing, ID information, common key, cryptosystem, information security,
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An 8-Dimensional Trellis-Coded 8-PSK with Non-zero Crossing Constraint Tadashi WADAYAMA Koichiro WAKASUGI Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1994/08/25 Vol. E77-A No. 8 pp. 1274-1280 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Keyword: TCM, π/4-shift QPSK, set partitioning,non-zero crossing,
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New Key Generation Algorithm for RSA Cryptosystem Ryuichi SAKAI Masakatu MORII Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1994/01/25 Vol. E77-A No. 1 pp. 89-97 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: cryptography, public-key cryptosystem, RSA, key generation algorithm, primality test,
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Performance of a Multicast Error Control Protocol Based on a Product Code Structure--Part : On Random Error Channels-- Katsumi SAKAKIBARA Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1992/12/25 Vol. E75-A No. 12 pp. 1674-1683 Type of Manuscript: Special Section PAPER (Special Section on Networks and Mobile Communications) Category: Keyword: multicast error control protocols, product codes, Reddy-Robinson algorithm, binary symmetric channels,
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Performance of a Multicast Error Control Protocol Based on a Product Code Structure--Part : On Burst Error Channels-- Katsumi SAKAKIBARA Masao KASAHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1992/12/25 Vol. E75-A No. 12 pp. 1684-1695 Type of Manuscript: Special Section PAPER (Special Section on Networks and Mobile Communications) Category: Keyword: Multicast error control protocols, product codes, burst error channels, Gilbert model, interleaving,
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Communication Theory and the Applications--Theories, Coding and Applications-- Masao KASAHARA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1990/10/25 Vol. E73-E No. 10 pp. 1570-1578 Type of Manuscript: INVITED PAPER (Special Issue on Communication Theory and Its Applications) Category: Keyword:
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FOREWORD Masao KASAHARA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1990/10/25 Vol. E73-E No. 10 pp. 1567-1569 Type of Manuscript: FOREWORD Category: Keyword:
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FOREWORD Masao KASAHARA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1990/07/25 Vol. E73-E No. 7 pp. 1023-1025 Type of Manuscript: FOREWORD Category: Keyword:
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Coding and Decoding Schemes with Unequal Symbol Reliability Shigeichi HIRASAWA Masao KASAHARA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1990/07/25 Vol. E73-E No. 7 pp. 1176-1180 Type of Manuscript: PAPER Category: Information Theory and Coding Theory Keyword:
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Error Correcting Codes and Their Applications Masao KASAHARA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1990/05/25 Vol. E73-E No. 5 pp. 611-620 Type of Manuscript: INVITED PAPER (Special Issue on Information Theory and Its Applications) Category: Keyword:
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Construction and Application of Separable Codes Jun DU Masao KASAHARA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1989/06/25 Vol. E72-E No. 6 pp. 710-718 Type of Manuscript: PAPER Category: Information Theory and Coding Theory Keyword:
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Improvements of the Information-Bit Error Rate of Trellis Code Modulation Systems Jun DU Masao KASAHARA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1989/05/25 Vol. E72-E No. 5 pp. 609-614 Type of Manuscript: PAPER Category: Foundations of Signal Theory and Communication Theory Keyword:
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Efficient Construction of Gate Circuit for Computing Multiplicative Inverses over GF (2^m) Masakatu MORII Masao KASAHARA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1989/01/25 Vol. E72-E No. 1 pp. 37-42 Type of Manuscript: PAPER Category: Information Theory and Coding Theory Keyword:
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Probabilistic Coding for Write-Once Memory Jun DU Makoto TATEBAYASHI Masao KASAHARA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1988/02/25 Vol. E71-E No. 2 pp. 132-138 Type of Manuscript: PAPER Category: Information Theory and Coding Theory Keyword:
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