Special Section on Cryptography and Information Security ======================================================== . FOREWORD .......................................................... 1 Kenji KOYAMA PAPERS ====== . A New Cryptanalytic Method for FEAL Cipher ........................ 2 Mitsuru MATSUI and Atsuhiro YAMAGISHI . Message Authentication Codes and Differential Attack .............. 8 Kazuo OHTA and Mitsuru MATSUI . New Proposal and Comparison of Closure Tests -- More Efficient than the CRYPTO'92 Test for DES-- ..................................... 15 Hikaru MORITA and Kazuo OHTA . Identity-Based Non-interactive Key Sharing ....................... 20 Hatsukazu TANAKA . Electronic Voting Scheme Allowing Open Objection to the Tally .... 24 Kazue SAKO . Subliminal Channels for Transferring Signatures: Yet Another Cryptographic Primitive .......................................... 31 Kouichi SAKURAI and Toshiya ITOH . Demonstrating Possession without Revealing Factors ............... 39 Hiroki SHIZUYA, Kenji KOYAMA and Toshiya ITOH . On the Knowledge Tightness of Zero-Knowledge Proofs .............. 47 Toshiya ITOH and Atsushi KAWAKUBO . On the Knowledge Complexity of Arthur-Merlin Games ............... 56 Toshiya ITOH and Tatsuhiko KAKIMOTO . A Note on AM Languages Outside NP ‡œ co-NP ....................... 65 Hiroki SHIZUYA and Toshiya ITOH . On Claw Free Families ............................................ 72 Wakaha OGATA and Kaoru KUROSAWA . Secure Addition Sequence and Its Applications on the Server-Aided Secret Computation Protocols ..................................... 81 Chi-Sung LAIH and Sung-Ming YEN . New Key Generation Algorithm for RSA Cryptosystem ................ 89 Ryuichi SAKAI, Masakatu MORII and Masao KASAHARA . Elliptic Curves Suitable for Cryptosystems ....................... 98 Atsuko MIYAJI Special Section on Reliability ============================== . FOREWORD ........................................................ 107 Kuniomi NAKAMURA PAPERS ====== [Software Reliability] . Software Reliability Measurement and Assessment with Stochastic Differential Equations .......................................... 109 Shigeru YAMADA, Mitsuhiro KIMURA, Hiroaki TANAKA and Shunji OSAKI [System Reliability] . Studies of Systems Reliability Growth by the Analysis on Decreasing Rate of Unavailability .......................................... 117 Masayoshi FURUYA . MTBF for Consecutive-k-out-of-n: F Systems with Nonidentical Component Availabilities ........................................ 122 Masafumi SASAKI, Naohiko YAMAGUCHI, Tetsushi YUGE and Shigeru YANAGI . Reliability of a 3-State System Subject to Flow Quantity Constraint ........................................................ 129 Tetsushi YUGE, Masafumi SASAKI and Shigeru YANAGI . A Factored Reliability Formula for Directed Source-to-All-Terminal Networks ........................................................ 134 Yoichi HIGASHIYAMA, Hiromu ARIYOSHI, Isao SHIRAKAWA and Shogo OHBA . Some Remarks on MTBF's for Non-homogeneous Poisson Processes .... 144 Hirofumi KOSHIMAE, Hiroaki TANAKA and Shunji OSAKI [Failure Physics and Failure Analysis] . Abnormal Epitaxial Layer of AlGaAs/GaAs Solar Cells for Space Applications .................................................... 150 Sumio MATSUDA, Masato UESUGI and Susumu YOSHIDA . A Study on Reliability and Failure Mechanism of T-Shaped Gate HEMTs ........................................................ 158 Takahide ISHIKAWA, Kenji HOSOGI, Masafumi KATSUMATA, Hiroyuki MINAMI and Yasuo MITSUI . Improvement of gSoft Breakdownh Leakage of off-State nMOSFETs Induced by HBM ESD Events Using Drain Engineering for LDD Structure ........................................................ 166 Ikuo KURACHI and Yasuhiro FUKUDA . Focused Ion Beam Applications to Failure Analysis of Si Device Chip ........................................................ 174 Kiyoshi NIKAWA . Barrier Metal Effect on Electro- and Stress-Migration ........... 180 Tetsuaki WADA . Via Electromigration Characteristics in Aluminum Based Multilevel Interconnection ................................................. 187 Takahisa YAMAHA, Masaru NAITO and Tadahiko HOTTA [Reliability Testing] . The Enhancement of Electromigration Lifetime under High Frequency Pulsed Conditions ............................................... 195 Kazunori HIRAOKA and Kazumitsu YASUDA . Evaluation of the SO2 and NO2 Mixed Gas Tests for Electronic Parts ........................................................ 204 Sadao IDA, Atsumi KURAMOCHI, Hiroshi WATANABE, Mitsuhiko KOYAMA and Kazutoshi GOTO [Evaluation of Reliability Improvement] . Long-Term Reliability Testing of Electric Double Layer Capacitors ........................................................ 208 Munekazu AOKI, Kazuhiko SATO and Yoshihiro KOBAYASHI . High Reliability Design Method of LC Tuning Circuit and Substantiation of Aging Characteristics for 20 Years ............ 213 Mitsugi SAITA, Tatsuo YOSHIE, Katsumi WATANABE and Kiyoshi MURAMORI . Improvement of Reliability of Large-Sized Ceramic Capacitors and Dummy Resistors for the High Power Transmitter .................. 220 Tohru MIZOKAMI, Hiroki TAKAZAWA, Eiichi KAWABATA, Yuzi OGATA, Haruo OHTA, Kazuaki WAKAI and Kazuhisa HAYEIWA [Reliability and Safety] . Optimal Redundancy of Systems for Minimizing the Probability of Dangerous Errors ................................................ 228 Kyoichi NAKASHIMA and Hitoshi MATZNAGA LETTERS ======= [Reliability and Safety] . Optimal Free-Sensors Allocation Problem in Safety Monitoring System ........................................................ 237 Kenji TANAKA and Keiko SAITOH [Maintainability] . Preventive Replacement Policies and Their Application to Weibull Distribution .................................................... 240 Michio HORIGOME, Yoshito KAWASAKI and Qin Qin CHEN . A Note on Optimal Checkpoint Sequence Taking Account of Preventive Maintenance ..................................................... 244 Masanori ODAGIRI, Naoto KAIO and Shunji OSAK Regular Section =============== PAPERS ====== [Adaptive Signal Processing] . A Combined Fast Adaptive Filter Algorithm with an Automatic Switching Method ................................................ 247 Youhua WANG and Kenji NAKAYAMA [Control and Computing] . Continuous Relation between Models and System Performances --A Case Study for Optimal Servosystems-- ................................ 257 Hajime MAEDA and Shinzo KODAMA [Digital Signal Processing] . A Synthesis of Variable Wave Digital Filters .................... 263 Eiji WATANABE, Masato ITO, Nobuo MURAKOSHI and Akinori NISHIHARA . A Method for Estimating the Mean-Squared Error of Distributed Arithmetic ...................................................... 272 Jun TAKEDA, Shin-ichi URAMOTO and Masahiko YOSHIMOTO [Fuzzy Theory] . Function Representation by Fuzzy Reasoning ...................... 281 Shin KAWASE and Niro YANAGIHARA [Graphs, Networks and Matroids] . An Equivalence Net-Condition between Place-Liveness and Transition-Liveness of Petri Nets and Their Initial-Marking-Based Necessary and Sufficient Liveness Conditions .................... 291 Tadashi MATSUMOTO and Kohkichi TSUJI [Neural Networks] . Analog Method for Solving Combinatorial Optimization Problems ... 302 Kiichi URAHAMA [Nonlinear Circuits and Systems] . Piecewise-Linear Analysis of Nonlinear Resistive Networks Containing Gummel-Poon Models or Shichman-Hodges Models .................... 309 Kiyotaka YAMAMURA . A Sign Test for Finding All Solutions of Piecewise-Linear Resistive Circuits ........................................................ 317 Kiyotaka YAMAMURA [Nonlinear Phenomena and Analysis] . Identification of Chaotic Dynamical Systems with Back-Propagation Neural Networks ................................................. 324 Masaharu ADACHI and Makoto KOTANI LETTERS ======= [Nonlinear Circuits and Systems] . A Current-Mode Implementation of a Chaotic Neuron Model Using a SI Integrator ...................................................... 335 Nobuo KANOU, Yoshihiko HORIO, Kazuyuki AIHARA and Shogo NAKAMURA . ABSTRACTS (Trans. IEICE, Vol.J77-A No.1 in Japanese) ............ 339 . IEICE TECHNICAL REPORTS/CONTENTS ................................ 343