Title:
限定受信システムの限定受信装置及びセキュリティモジュール、限定受信システム、限定受信装置認証方法及び暗号通信方法
Document Type and Number:
Japanese Patent JP4691244
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a limited reception device which actualizes mutual authentication of high reliability even if a reception device main body and a security module do not hold a common global secret. SOLUTION: The reception device main body is equipped with a storage means which stores an ID for identifying a maker, a storage means which stores one or more pieces of information unique to the reception device main body, a deciphering means which deciphers information ciphered by using as a key the reception device main body unique information, and an authentication processing means which performs authentication processing with the security module by inputting the information outputted by the deciphering means. The security module is equipped with a storage means which stores a card ID for uniquely identifying the limited reception device, a means which filters reception device authentication information by referring to the maker ID and card ID, a storage means which stores one or more pieces of unique to the security module, and an authentication processing means which performs authentication processing with the reception device main body by inputting the security module unique information.
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Inventors:
Shinichi Oi
Kuroiwa Wataru
Kumazaki Yoko
Takeshi Saijo
Tetsuya Inoue
Takashi Matsuo
Hiroki Murakami
Yuichi Fuda
Motoji Omori
Kuroiwa Wataru
Kumazaki Yoko
Takeshi Saijo
Tetsuya Inoue
Takashi Matsuo
Hiroki Murakami
Yuichi Fuda
Motoji Omori
Application Number:
JP2000344384A
Publication Date:
June 01, 2011
Filing Date:
November 10, 2000
Export Citation:
Assignee:
Toshiba Corporation
Panasonic Corporation
Panasonic Corporation
International Classes:
H04L9/32; G06F21/10; H04H20/00; H04H20/76; H04H60/16; H04H60/23; H04L9/08; H04L9/10; H04N7/167; H04N21/418; H04N21/4623
Domestic Patent References:
| JP5075598A | ||||
| JP2044389A |
Foreign References:
| WO1999018729A1 | ||||
| WO2000004718A1 |
Other References:
木村武史,難波誠一,“ディジタル放送における限定受信方式”,テレビジョン学会技術報告,日本,社団法人テレビジョン学会,1994年12月16日,Vol.18,No.80,p.49-56
Attorney, Agent or Firm:
Shiro Nakajima
Hiromori Arai
Hiromori Arai