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IEICE Trans

Yasutaka IGARASHI

Integral Cryptanalysis on Reduced-Round KASUMI
Nobuyuki SUGIO Yasutaka IGARASHI Sadayuki HONGO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2022/09/01
Vol. E105-A  No. 9  pp. 1309-1316
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
block cipher, integral cryptanalysis, bit-based division property, KASUMI, 
 Summary | Full Text:PDF
Some Saturation Characteristics of XOR Sum of Balance Functions
Yasutaka IGARASHI Toshinobu KANEKO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/01/01
Vol. E95-A  No. 1  pp. 2-7
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Symmetric Cryptography
Keyword: 
balance function, saturation characteristics, Hadamard transform, Extended Hamming code, convolution, block cipher, CLEFIA, 
 Summary | Full Text:PDF
Improvement of Coherent Ultrashort Light Pulse CDMA Communication Systems with Distinct 4-Level m-Sequences
Yasutaka IGARASHI Ippei OKAJIMA Hiroyuki YASHIMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/11/01
Vol. E89-A  No. 11  pp. 3018-3025
Type of Manuscript:  Special Section PAPER (Special Section on Wide Band Systems)
Category: 
Keyword: 
coherent ultrashort light pulse CDMA, distinct 4-level m-sequences, phase code, optical fiber communication, 
 Summary | Full Text:PDF
Performance Analysis of Coherent Ultrashort Light Pulse CDMA Communication Systems with Nonlinear Optical Thresholder
Yasutaka IGARASHI Hiroyuki YASHIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/04/01
Vol. E89-B  No. 4  pp. 1205-1213
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
coherent ultrashort light pulse code-division multiple-access (CDMA), nonlinear optical thresholder, self-phase modulation (SPM), frequency chirping, fiber-optic high-speed communications, 
 Summary | Full Text:PDF
Dispersion Compensation for Ultrashort Light Pulse CDMA Communication Systems
Yasutaka IGARASHI Hiroyuki YASHIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12  pp. 2776-2784
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission
Keyword: 
ultrashort light pulse CDMA, fiber dispersion, dispersion-compensating fiber, SMF-DCF link, pulse broadening, 
 Summary | Full Text:PDF