Toshihiko YAMAKAMI


Flexible Information Sharing and Handling System--Towards Knowledge Propagation--
Yoshiaki SEKI Toshihiko YAMAKAMI Akihiro SHIMIZU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/03/25
Vol. E77-B  No. 3  pp. 404-410
Type of Manuscript:  Special Section PAPER (Special Issue on Future Private Networks)
Category: 
Keyword: 
private networksinformation sharingknowledge propagationCSCWgroupware
 Summary | Full Text:PDF

A Fast 32-bit Microprocessor Oriented Data Encipherment Algorithm
Akihiro SHIMIZU Toshihiko YAMAKAMI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/07/25
Vol. E73-E  No. 7  pp. 1045-1050
Type of Manuscript:  Special Section PAPER (Special Issue on Cryptography and Information Security)
Category: Common-Key Systems
Keyword: 
 Summary | Full Text:PDF

An Abstract Enciphering Machine Model
Toshihiko YAMAKAMI Akihiro SHIMIZU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/07/25
Vol. E73-E  No. 7  pp. 1051-1057
Type of Manuscript:  Special Section PAPER (Special Issue on Cryptography and Information Security)
Category: Common-Key Systems
Keyword: 
 Summary | Full Text:PDF