Special Section on Cryptography and Information Security ======================================================== . FOREWORD .......................................................... 1 Hatsukazu TANAKA PAPERS ====== . Strict Evaluation of the Maximum Average of Differential Probability and the Maximum Average of Linear Probability ..................... 2 Kazumaro AOKI and Kazuo OHTA . Key-Dependency of Linear Probability of RC5 ....................... 9 Shiho MORIAI, Kazumaro AOKI, and Kazuo OHTA . On Non-Pseudorandomness from Block Ciphers with Provable Immunity Against Linear Cryptanalysis ..................................... 19 Kouichi SAKURAI and Yuliang ZHENG . Improved Elliptic Curve Methods for Factoring and Their Performance ......................................................... 25 Hidenori KUWAKADO and Kenji KOYAMA . Fast Exponentiation Algorithms Based on Batch-Processing and Precomputation ................................................... 34 Yukio TSURUOKA and Kenji KOYAMA . On Construction of Signature Scheme over a Certain Non-Commutative Ring ............................................................. 40 Takakazu SATOH and Kiyomichi ARAKI . New Signature Schemes Based on Factoring and Discrete Logarithms . 46 Chi-Sung LAIH and Wen-Chung KUO . Proxy Cryptosystems: Delegation of the Power to Decrypt Ciphertexts ......................................................... 54 Masahiro MAMBO and Eiji OKAMOTO . A Secure and Practical Electronic Voting Scheme for Real World Environments ..................................................... 64 Wen-Shenq JUANG and Chin-Laung LEI . Reshufflable and Laziness Tolerant Mental Card Game Protocol ..... 72 Kaoru KUROSAWA, Yutaka KATAYAMA, and Wakaha OGATA . Information Theoretic Approach to Privacy for Multi-Party Protocols ......................................................... 79 Takashi SATOH and Kaoru KUROSAWA . Analysis on Secret Sharing Schemes with Non-Graphical Access Structures ....................................................... 85 Koji OKADA, Wakaha OGATA Keiichi SAKANO, and Kaoru KUROSAWA . On the Oracle Entropy and the Average Case Oracle Measure of Knowledge Complexity ............................................. 90 Toshiya ITOH . On the Power of Self-Testers and Self-Correctors ................. 98 Hiroyoshi MORI and Toshiya ITOH LETTER ====== . Attack on Yagisawa Cryptosystem ................................. 107 Kaoru KUROSAWA and Takashi SATOH Regular Section =============== PAPERS ====== [General Fundamentals and Boundaries] . Estimation of Direction of Arrival for Angle-Perturbed Sources .. 109 Yong Up LEE, Seong Ro LEE, Hyung Myung KIM, and Iickho SONG [Acoustics] . Practical Methods of Evaluating the Underwater Insulation Effect of a Single Wall ................................................... 118 Kensei OIMATSU, Shizuma YAMAGUCHI, Kazuoki KURAMOTO, and Shin'ya KUWAHARA [Digital Signal Processing] . Wavelet Bases Obtained from the Raised-Cosine Filter ............ 126 Achim GOTTSCHEBER and Akinori NISHIHARA . Passive Two-dimensional Wave Digital Filters used in a Multirate System having Perfect Reconstruction ............................ 133 Achim GOTTSCHEBER and Akinori NISHIHARA . A 2-D Adaptive Joint-Process Lattice Estimator for Image Restoration ........................................................ 140 Takayuki NAKACHI, Katsumi YAMASHITA, and Nozomu HAMADA . Convergence Characteristics of the Adaptive Array Using RLS Algorithm ....................................................... 148 Futoshi ASANO, Yo^iti SUZUKI, and Toshio SONE . State-Space Approach to Roundoff Error Analysis of Fractal Image Coding .......................................................... 159 Choong Ho LEE, Masayuki KAWAMATA, and Tatsuo HIGUCHI [Systems and Control] . Stability Analysis of Exact Model Matching Control for Finite Volterra Series Systems ......................................... 166 Osamu YAMANAKA, Hiromitsu OHMORI, and Akira SANO [Numerical Analysis and Optimization] . Behavior of the Steepest Descent Method in Minimizing Rayleigh Quotient ........................................................ 176 Takashi OZEKI and Taizo IIJIMA [Reliability and Fault Analysis] . Efficient Embeddings of Binary Trees with Bounded Proper Pathwidth into Paths and Grids ............................................ 183 Satoshi TAYU and Shuichi UENO [Information Theory and Coding Theory] . Characteristic Polynomials of Binary Complementary Sequences .... 193 Satoshi UEHARA and Kyoki IMAMURA [Neural Networks] . Thickness Controls Spatial Cooperation of Calcium-Activated Dynamics in Neuronal Dendrite System ..................................... 197 Norihiro KATAYAMA, Mitsuyuki NAKAO, Yoshinari MIZUTANI, and Mitsuaki YAMAMOTO . An Analysis on Additive Effects of Nonlinear Dynamics for Combinatorial Optimization ...................................... 206 Mikio HASEGAWA, Tohru IKEGUCHI, Takeshi MATOZAKI, and Kazuyuki AIHARA . On Coupled Oscillators Networks for Cellular Neural Networks .... 214 Seiichiro MORO, Yoshifumi NISHIO, and Shinsaku MORI . On the Analysis of Global and Absolute Stability of Nonlinear Continuous Neural Networks ...................................... 223 Xue-Bin LIANGI and Toru YAMAGUCHI LETTERS ======= [Analog Signal Processing] . High Output-Resistance CMOS Current Mirrors for Low-Voltage Applications .................................................... 230 Tetsuro ITAKURA and Zdzislaw CZARNUL [VLSI Design Technology and CAD] . A Novel PE-based Architecture for Lossless LZ Compression ....... 233 Yong Surk LEE, Tae Young LEE, and Kyu Tae PARK [Numerical Analysis and Optimization] . Error Estimations of Cylindrical Functions Calculated with Hankel's Asymptotic Expansions ........................................... 238 Masao KODAMA, Hideomi TAKAHASHI, and Kengo TAIRA [Algorithms and Data Structures] . The Closure Class of MIN ƒ°0 Is NPO-PB .......................... 242 Takeshi OHGURO [Neural Networks] . On the Global Asymptotic Stability Independent of Delay of Neural Networks ........................................................ 247 Xue-Bin LIANG and Toru YAMAGUCHI . ABSTRACTS (IEICE Trans., Vol.J80-A, No.1 in Japanese) ........... 251