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Title:
スクランブルされたデータに対するアクセスを制御するためのリモート管理用対話型プロトコル
Document Type and Number:
Japanese Patent JP4409946
Kind Code:
B2
Abstract:
The invention concerns a protocol for remote management, from a broadcasting center (E), of access control to scrambled data, through a descrambling terminal (T) and an access control card or module provided with a security processor (PS). It consists in transmitting (A) from the broadcasting center (E) to at least a receiver set (PR) or the security processor (PS) a control message including input template fields, control applicative data, digital signature, and in subjecting (B) the exchange of action instructions and the replies to said action instructions, between the terminal (T) and the security processor (PS), to a local security protocol inhibiting any local viewing at the security processor (PS)/terminal (T). The invention is applicable to management of broadcasting or distribution of scrambled or encrypted data.

Inventors:
Becker, Claudia
Gione, Chantal
Andre
Febrier, Pierre
Application Number:
JP2003537318A
Publication Date:
February 03, 2010
Filing Date:
October 15, 2002
Export Citation:
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Assignee:
Biaccess
International Classes:
C07C67/52; C07C67/54; C07C69/82; G01S1/02; G01S5/02; G01S5/06; G01S5/12; G01S19/27; G02B26/10; G03B5/00; G03B7/093; G03B11/00; G03B17/02; G06F1/16; G06F3/00; G06F9/46; G06F11/00; G06F11/10; G06F12/10; G06F12/109; G06F13/00; G06F13/12; G06F13/36; G06F13/362; G06F15/00; G06F15/16; G06F15/173; G06K9/00; G06K9/62; G06K17/00; G06K19/00; G06T9/00; G08C19/16; G09C1/00; G09G3/02; G10L19/00; G11B20/10; G11B20/14; G11B20/18; H01L27/00; H01L27/146; H01Q1/24; H01Q21/24; H03L7/091; H03M13/03; H03M13/13; H03M13/23; H03M13/27; H03M13/29; H04B1/16; H04B1/707; H04B7/005; H04B7/185; H04B7/24; H04B7/26; H04B14/00; H04B17/00; H04H60/72; H04J3/06; H04J13/00; H04J13/16; H04L1/00; H04L1/18; H04L7/00; H04L9/08; H04L9/10; H04L9/14; H04L9/28; H04L9/32; H04L12/08; H04L12/16; H04L12/28; H04L12/417; H04L12/46; H04L12/54; H04L25/02; H04L25/03; H04L25/49; H04L25/497; H04L27/10; H04L27/156; H04L27/18; H04L47/2416; H04L69/40; H04M1/00; H04M1/66; H04M1/715; H04M1/72415; H04M3/00; H04M3/16; H04M3/22; H04M3/42; H04M11/00; H04M11/06; H04N1/028; H04N1/031; H04N1/191; H04N5/225; H04N5/232; H04N5/46; H04N5/50; H04N5/64; H04N5/74; H04N5/76; H04N5/765; H04N5/907; H04N5/91; H04N5/92; H04N7/01; H04N7/08; H04N7/26; H04N7/36; H04N7/52; H04N9/31; H04N9/64; H04N9/79; H04N21/41; H04N21/414; H04Q3/00; H04W4/06; H04W4/12; H04W4/14; H04W4/16; H04W8/02; H04W8/06; H04W8/08; H04W8/16; H04W8/20; H04W8/26; H04W12/0431; H04W12/06; H04W12/106; H04W24/00; H04W24/04; H04W24/08; H04W24/10; H04W28/02; H04W28/08; H04W28/16; H04W28/22; H04W36/04; H04W36/18; H04W36/30; H04W40/22; H04W48/06; H04W48/14; H04W48/16; H04W52/02; H04W52/24; H04W56/00; H04W60/00; H04W64/00; H04W68/00; H04W68/02; H04W72/08; H04W72/12; H04W72/14; H04W76/02; H04W76/04; H04W80/06; H04W84/08; H04W84/12; H04W84/18; H04W88/02; H04W88/04; H04W88/06; H04W88/12; H04W88/18; G11B20/22; H04M1/724; H04M1/73; H04N5/38; H04N5/66; H04N5/775; H04N5/85; H04N9/804; H04N17/00; H04N101/00; H04W4/10; H04W8/24; H04W28/04; H04W36/02; H04W48/08; H04W72/04; H04W74/08; H04W76/06; H04W84/04; H04W92/12
Domestic Patent References:
JP2001177814A
JP11331805A
JP11289326A
JP4233345A
JP9046672A
Foreign References:
WO2000059222A1
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Shimichi Akihisa
Masaya Nishiyama