JP2001518255A - 暗号化放送信号の受信機と併用するためのスマートカード、および受信機 - Google Patents
暗号化放送信号の受信機と併用するためのスマートカード、および受信機Info
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.暗号化放送信号の受信機と併用するためのスマートカードであって、 前記信号の暗号解読を可能にするかあるいは制御するマイクロプロセッサと、 前記マイクロプロセッサに結合されたメモリとを備え、 前記マイクロプロセッサが、前記メモリ内の各々の動的に作成されたゾーンか らなる手段によってこのような信号に付いてのそれぞれの放送供給者からの複数 のこのような信号の個別の暗号解読を可能にするかあるいは制御するように構成 され、且つ前記動的に作成されたゾーンは各々が前記放送供給者の中のそれぞれ の放送供給者に関連した暗号解読データを記憶するように構成されていることを 特徴とするスマートカード。 2.前記放送供給者の中のそれぞれの放送供給者に関連した識別子および少なく とも1つの秘密暗号解読キーをさらに備え、前記識別子および前記キーキーが、 前記動的に作成されたゾーンの中の1つに記憶され、かつこの識別子に対応する IDを有し且つ、この暗号解読キーに対応する暗号化キーを使用して暗号化さた 放送信号を暗号解読するように構成され、ることを特徴とする請求項1に記載の スマートカード。 3.各ゾーンに対して記憶されたグループ識別子と、このグループ内部のグルー プ識別子を識別し、前記記憶されたグループ識別子に対応するIDを有する放送 信号を暗号解読するように構成された他の識別子とをさらに備えていることを特 徴とする請求項2に記載のスマートカード。 4.それぞれの放送供給者のIDを含むメモリゾーンに於ける第1のシリーズ及 び動的に作成されたメモリゾーンに於ける第2のシリーズとを保持するように構 成され、前記第2のシリーズに於けるメモリゾーンの各々は、放送供給者のID を示すラベルを付けられ、この供給者からの受信放送信号の処理のために使用さ れる前記暗号解読データを含むデータ含み、第2のシリーズに於ける複数のメモ リゾーンは、共通IDラベルを有し、この放送供給者からの受信放送信号の処理 に関する異なる種類のデータを含むことを特徴とする前述の請求項1乃至3のい ずれかに記載のスマートカード。 5.前記スマートカードが前記第1のシリーズのメモリゾーンを動的に作成する ように構成されていることを特徴とする請求項4に記載のスマートカード。 6.前記動的に作成されたメモリゾーンが連続的であることを特徴とする前述の 請求項1乃至5のいずれかに記載のスマートカード。 7.前記動的に作成されたゾーンの動的作成を制御するデータを記憶するように 構成された管理メモリゾーンをさらに備えていることを特徴とする前述の請求項 1乃至6のいずれかに記載のスマートカード。 8.一つの前記動的に作成されたゾーンが、放送供給者によって放送された放送 項目の中から特定の項目を選択を示す権利データを含み、前記スマートカードの 使用者暗号を解読する為の権利を有し、且つ当該スマートカードは、この供給者 によって放送された項目を暗号解読するように権利データを使用する様に構成さ れていることを特徴とする前述の請求項1乃至7のいずれかに記載のスマートカ ード。 9.トランザクションメモリゾーンが、前記動的に作成されたゾーンに加えて前 記スマートカードに規定され、かつ前記スマートカードのユーザが、前記ユーザ の制御の下で前記スマートカードによって発生することができるトランザクショ ン出力信号に応じてのみ暗号解読する権利が付与されている放送供給者によって 放送された項目に関する他の権利データを含んでいることを特徴とするいずれか の前述の請求項に記載のスマートカード。 10.ある項目が前記トランザクション出力信号の出力に続いて放送される機会 の数を計数するカウンタをさらに備え、かつ前記スマートカードが、前記カウン タによって到達された計数値に応じてこの項目の暗号解読を制御するように構成 されている請求項9に記載のスマートカード。 11.前記受信機/デコーダが、スマートカード読み取り器を備え、かつ当該ス マートカード読み取り器は、前記加入者スマートカードの制御の下で放送暗号化 信号を暗号解読するように構成されていることを特徴とする前述の請求項1乃至 10のいずれかのに記載のスマートカードと併用するための受信機/デコーダ。 12.前記受信機/デコーダが暗号化放送ビデオおよび/またはオーディオ信号 を暗号解読し、かつ対応するビデオおよび/またはオーディオ出力を発生するよ うに構成されている請求項11に記載の受信機/デコーダ。 13.前記受信機/デコーダが前記暗号化放送信号を受信する比較的高いバンド 幅入力ポートと、前記出力制御信号を放送送信機に送り返すように構成された比 較的低いバンド幅出力ポートとを有することを特徴とする請求項11あるいは1 2に記載の受信機/デコーダ。 14.前記受信機/デコーダが、記憶された識別子を含み、かつ対応する記憶さ れた識別子を有するスマートカードとだけ作動するように構成された請求項11 〜13のいずれかに記載の受信機/デコーダ。 15.暗号化信号を受信機/デコーダに放送する装置であって、前記装置が、2 又はそれ以上の種類の放送制御信号を発生する手段を備え、当該制御信号の各種 類が、対応するIDを有する受信機/デコーダをこのような種類の制御信号に対 して選択的に応答するようにした受信機/デコーダIDデータを含み、前記受信 機/デコーダIDデータの1つあるいはそれ以上のグループの受信/デコーダの 全てが、共通の種類の制御信号に応答するように構成されたグループIDデータ を含み、前記装置には、入力情報に応じて異なるIDグループ間に個別の受信機 /デコーダを動的に分配するように構成されているデータベース手段が装備され ていることを特徴とする装置。 16.前記データベース手段が、前記受信機/デコーダから受信された信号に応 答し、グループ間の受信機/デコーダの分配を変えることを特徴とする請求項1 5に記載の装置。 17.前記装置が、前記入力情報に応じてグループ間の受信機/デコーダの分配 を変える制御信号を放送するように構成されたことを特徴とする請求項15ある いは請求項16に記載の装置。 18.制御信号の異なる種類が、放送暗号化データストリームの異なる部分の暗 号解読を可能にすることを特徴とする請求項15〜17のいずれかに記載の装置 。 19.前記入力情報が支払い情報を含むことを特徴とする請求項15〜18のい ずかに記載の装置。 20.制御信号の当該種類が異なる放送供給者からの暗号化放送信号を暗号解読 する加入操作を制御する種類を含むことを特徴とする請求項20あるいは請求項 21に記載の装置。 21.制御信号の種類が、異なる時間フレームに於ける放送暗号化データ信号を 暗号解読する権利の購入を制御する種類を含むことを特徴とする請求項20ある いは請求項21に記載の装置。 22.前記暗号化放送信号がビデオ信号および/またはオーディオ信号であるこ とを特徴とする請求項15〜21のいずれかに記載の装置。 23.前記グループが256人までのメンバーを有することを特徴とする請求項 15〜22のいずれかに記載の装置。 24.前記装置が前記暗号化データ信号を軌道を回っている衛星に送信されるよ うに構成されていることを特徴とする請求項15〜23のいずれかに記載の装置 。 25.暗号化放送信号を受信する受信機/デコーダであって、前記受信機/デコ ーダが、グループIDを含み、かつ前記グループIDに対応するIDを有する放 送制御信号のある種類に応答し、前記受信機/デコーダが他の制御信号に応じて そのグループIDを変えるように構成されていることを特徴とする受信機/デコ ーダ。 26.前記他の制御信号が放送信号を含み、前記放送信号および前記暗号化放送 信号が前記受信機/デコーダによって受信されるように構成されていることを特 徴とする請求項25に記載の受信機/デコーダ。 27.前記グループIDが、前記受信機/デコーダに取り外しできるように挿入 されたスマートカードに記録されていることを特徴とする請求項25あるいは2 6に記載の受信機/デコーダ。 28.前記暗号化放送信号がビデオ信号および/またはオーディオ信号であるこ とを特徴とする請求項25〜27のいずれかに記載の装置。 29.請求項25〜28のいずれかに記載されるような受信機/デコーダととも に請求項15〜24のいずれに記載の装置を備えているディジタルデータ信号を 放送し、かつ受信するシステム。 30.暗号化信号を受信機/デコーダに放送する方法であって、2つあるいはそ れ以上の放送制御信号の種類を発生する工程を含み、当該信号の序番各種類は、 対応するIDを有する受信機/デコーダを選択的に当該制御信号の種類に応答し うる様にするための、受信機/デコーダIDデータを含み、入力情報に応じて異 なるIDグループ間に個別の受信機/デコーダを動的に分配することを含むこと を特徴とする暗号化信号を受信機/デコーダに放送する方法。 31.前記入力情報が、支払い情報を含み、且つ該制御信号の当該種類が、前記 受信機/デコーダをして、暗号化放送ビデオおよび/またはオーディオストリー ムの一部を選択的に暗号解読せしめうるように構成したことを特徴とする請求項 30に記載の方法。 32.暗号化信号を受信機/デコーダに放送する装置であって、当該装置は、前 記暗号化信号の暗号解読を制御するかあるいは可能にする制御信号を発生する手 段と、制御信号を前記放送信号内部でそれぞれのプログラム伝送に関連付ける手 段とを備え、前記関連付け手段が、一連の同じプログラムの伝送における各伝送 を識別する信号を発生する手段を備えていることを特徴とする暗号化信号を受信 機/デコーダに放送する装置。 33.当該装置は、更に、前記受信機/デコーダに於ける、暗号解読されうる前 記一連の伝送数の制限を設定する信号を発生する手段をさらに備えていることを 特徴とする請求項32に記載の装置。 34.前記装置が、受信機/デコーダからの入力信号に応じて前記制限を変更す ることを特徴とする請求項33に記載の装置。 35.前記装置が、前記ビデオおよび/またはオーディオストリームを軌道を回 っている衛星に送信するように構成されている請求項32〜34のいずれかに記 載の装置。 36.放送信号をペイ・パー・ビュー(PPV)モードで受信し、かつ暗号解読 する受信機/デコーダであって、当該受信機/デコーダは、前記放送信号内部で 特定のプログラム伝送の暗号解読を可能にするかあるいは制御する制御信号を検 出する手段を含み、前記制御信号が一連の同一プログラムの伝送における各伝送 を識別する情報を含むことと、前記検出手段に結合され、暗号解読されうる前記 一連の伝送数を制限する手段とを備えていることを特徴とする受信機/デコーダ 。 37.前記制限手段が、前記シリーズ内の伝送の各連続視聴に応じて記憶された 制限値に向けて増減されるように構成されるカウンタを備えていることを特徴と する請求項36に記載の受信機/デコーダ。 38.受信放送信号に応じて前記制限値を調整する手段をさらに備えていること を特徴とする請求項37に記載の受信機/デコーダ。 39.前記制限手段が、受信機/デコーダに取り外しできるように挿入されるス マートカードを備えていることを特徴とする請求項36〜38のいずれかに記載 の受信機/デコーダ。 40.暗号化放送信号を受信し、かつ暗号解読する受信機/デコーダであって、 スマートカード読み取り器と、 前記スマート読み取り器に結合され、かつ前記スマートカードからの出力に応 じて前記信号を暗号解読するように構成されているプロセッサと、 前記受信機/デコーダの記憶されたIDを含むメモリ手段と、 前記記憶されたIDと前記スマートカード読み取り器によって読み取られたス マートカードのIDとを比較する手段と、 前記比較に応じて前記信号の暗号解読を可能あるいは不可能にする手段とを備 えていることを特徴とする受信機/デコーダ。 41.前記可能化手段が前記スマートカードを使用可能あるいは使用禁止するよ うに構成されている請求項40に記載の受信機/デコーダ。 42.前記プロセッサが、前記受信機/デコーダとスマートカード間のハンドシ ェークルーチンに応じて前記スマートカードを使用可能にするように構成されて いることを特徴とする請求項41に記載の受信機/デコーダ。 43.前記受信機/デコーダがビデオおよびまたはオーディオ信号を受信し、か つ暗号解読するように構成されている請求項40〜42のいずれかに記載の受信 機/デコーダ。 44.前記スマートカードが、作動できるそれぞれの受信機/デコーダのIDの リストを含むメモリおよび前記スマートカードが前記リストされた受信機/デコ ーダの各々と作動できるかどうかについての表示を含むことを特徴とする請求項 40〜43のいずれかに記載の受信機/デコーダで使用するためのスマートカー ド。 45.前記受信機/デコーダが、前記スマートカードのメモリに列挙された各受 信機/デコーダの前記IDを読み取る手段と、前記スマートカードが前記受信機 /デコーダと同時に使用できるかどうかを決定するそれに関連した表示とを備え ていることを特徴とする請求項40〜43のいずれかに記載の受信機/デコーダ と請求項44に記載のスマートカードとの組み合わせ。 46.暗号化放送信号の受信機と併用するためのスマートカードであって、 前記信号の暗号解読を可能にするかあるいは制御するマイクロプロセッサと、 前記マイクロプロセッサに結合されたメモリとを備え、 前記マイクロプロセッサが、前記メモリのそれぞれのゾーンの手段によってこ のような信号のそれぞれの放送供給者から複数のこのような信号の個別の暗号解 読を可能にするかあるいは制御するように構成され、前記ゾーンの各々が、前記 放送供給者の中のそれぞれの放送供給者に関連した暗号解読データを記憶するよ うに構成され、前記暗号解読データが、それぞれの放送供給者によって前記スマ ートカードに割り当てられた優先順位レベルを含み、かつこの放送供給者によっ て放送されたこの優先順位レベルに関連した信号の暗号解読を可能にすることを 特徴とするスマートカード。 47.前記優先順位レベルが、前記放送供給者によって放送された制御信号によ ってスマートカードに割り当てられることを特徴とする請求項45に記載のスマ ートカード。 48.暗号解読放送信号を受信機/デコーダに放送する装置であって、前記受信 機/デコーダがそれに割り当てられたそれぞれの優先順位を有するものにおいて 、前記装置が、 前記放送信号の暗号解読を制御するかあるいは可能にする制御信号を発生する 手段であって、前記制御信号の各々が、対応するアドレスを有する受信機/デコ ーダによる暗号解読を選択的に可能にするアドレス部を有することと、 そのそれぞれの優先順位に従って前記制御信号で受信機/デコーダを選択的に アドレス指定する手段とを備えていることを特徴とする暗号解読放送信号を受信 機/デコーダに放送する装置。 49.それぞれの放送供給者の放送信号に関連した第1のセットを構成する制御 信号およびそれぞれのプログラムに関連した第2のセットを構成する制御信号を 発生する手段をさらに備え、前記第2のセットの制御信号が前記受信機/デコー ダによる暗号解読を制御するように構成され、前記第2のセットの制御信号が前 記アドレス部を有することを特徴とする請求項48に記載の装置。 50.前記装置が選択された地理的な位置における選択プログラムの暗号解読を 中止するように構成された請求項48あるいは49に記載の装置。 51.おおむねここで添付図面に関して記載されたスマートカード。 52.おおむね添付図面の図1および図2に関して前述されたような受信機/デ コーダ。 53.おおむね添付図面の図1および図2に関してここに記載されたような暗号 化放送信号を受信機/デコーダに放送する装置。 54.おおむね添付図面の図1および図2に関してここに記載されたような暗号 化放送信号を受信機/デコーダに放送する方法。
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1997
- 1997-04-25 AT AT97921750T patent/ATE232670T1/de active
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- 1997-04-25 CA CA002284014A patent/CA2284014A1/en not_active Abandoned
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005078653A (ja) * | 2003-09-03 | 2005-03-24 | Fr Telecom | コンテンツアクセスデータのユーザ配信システム及びその方法 |
WO2005096157A1 (ja) * | 2004-03-31 | 2005-10-13 | Matsushita Electric Industrial Co., Ltd. | セキュアシステム、セキュアデバイス、端末装置、方法およびプログラム |
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