Title:
ファイル交換装置、個人情報登録・紹介サーバ、送信制御方法、及びプログラム
Document Type and Number:
Japanese Patent JP4155393
Kind Code:
B2
Abstract:
A user terminal has a file exchanging capability provided with a transmission control unit, a reception control unit, and an entry unit. As the transmitting capability by the transmission control unit, the entry unit makes an entry in an external specific server. Unless a digital certificate can be obtained for an individual public key through the server, contents is unavailable. When contents are transmitted or enabled for transmission, the transmission control unit assumes that a signature has been placed without fail. The reception control unit checks the signature of the received contents, and controls the contents to be unavailable unless a correct signature has been placed.
Inventors:
Takuhisa Hatakeyama
Maruyama Hideshi
Chiba Tetsuo
Takayuki Hasebe
Maruyama Hideshi
Chiba Tetsuo
Takayuki Hasebe
Application Number:
JP2002175888A
Publication Date:
September 24, 2008
Filing Date:
June 17, 2002
Export Citation:
Assignee:
富士通株式会社
International Classes:
G06F12/14; H04L9/10; G06F12/00; G06F21/00; G06F21/10; G06F21/33; G06F21/44; G06F21/62; G06Q10/00; G06Q50/00; G06Q50/10; H04L9/08; H04L9/32; H04L29/06
Domestic Patent References:
| JP11283327A | ||||
| JP2001189706A | ||||
| JP117241A |
Other References:
Li Gong,Project JXTA: A Technology Overview,Sun Microsystems, Inc.,2001年
ようこそP2Pへ,NETWORK MAGAZINE,株式会社アスキー,2001年 5月 1日,第6巻,第5号,第90-97頁
畠山 卓久, 丸山 秀史, 千葉 哲央,音楽コンテンツの超流通とセキュリティ,FUJITSU,富士通株式会社,2001年 9月13日,VOL.52, No.5,第473-481頁
ようこそP2Pへ,NETWORK MAGAZINE,株式会社アスキー,2001年 5月 1日,第6巻,第5号,第90-97頁
畠山 卓久, 丸山 秀史, 千葉 哲央,音楽コンテンツの超流通とセキュリティ,FUJITSU,富士通株式会社,2001年 9月13日,VOL.52, No.5,第473-481頁
Attorney, Agent or Firm:
Yoshiyuki Osuga
Motoaki Hisagi
Motoaki Hisagi