Privacy enhanced access control by SPKI. - Takamichi Saito; Kentaro Umesawa; Hiroshi G. Okuno (ICPADS Workshops, 2000)

Privacy-Enhanced Access Control by SPKI and Its Application to Web Server. - Takamichi Saito; Kentaro Umesawa; Hiroshi G. Okuno (WETICE, 2000)

An Access Control with handling Private Information. - Takamichi Saito; Kentaro Umesawa; Hiroshi G. Okuno (IPDPS, 2001)

Architectural Defects of the Secure Shell. - Takamichi Saito; Toshiyuki Kito; Kentaro Umesawa; Fumio Mizoguchi (DEXA Workshops, 2002)

Privacy-Enhanced SPKI Access Control on PKIX and Its Application to Web Server . - Takamichi Saito; Kentaro Umesawa; Toshiyuki Kito; Hiroshi G. Okuno (AINA, 2003)

A privacy-enhanced access control. - Takamichi Saito; Kentaro Umesawa; Hiroshi G. Okuno (Syst. Comput. Jpn., 2006)