TW556084B - Data processing device - Google Patents
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- TW556084B TW556084B TW091101816A TW91101816A TW556084B TW 556084 B TW556084 B TW 556084B TW 091101816 A TW091101816 A TW 091101816A TW 91101816 A TW91101816 A TW 91101816A TW 556084 B TW556084 B TW 556084B
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- data processing
- processing device
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- 238000012545 processing Methods 0.000 title claims abstract description 17
- 238000013475 authorization Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 2
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 claims 1
- 235000015170 shellfish Nutrition 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 230000009118 appropriate response Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
- H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/76—Architectures of general purpose stored program computers
- G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
- G06F15/7867—Architectures of general purpose stored program computers comprising a single central processing unit with reconfigurable architecture
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/72—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in cryptographic circuits
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/77—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in smart cards
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Storage Device Security (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Vehicle Body Suspensions (AREA)
- Credit Cards Or The Like (AREA)
Description
556084 A7 B7 五、發明説明(1 本發明係關於一種資料處理穸署 叶处理衮置其具有—功能可程式 規劃之邏輯電路,並包含—程式規劃界面。 整合式半導體模組可依據客戶特有的功能改造,使受影 響功能藉軟體方式it成。後者可較簡單地依特$需求改造 。然而’與-硬體相比’軟體解決方案的執行速度較慢。 已知的另-種解決方案是功能可程式規劃邏輯電路,其係 以(例如)FPGAs (£ield £rogrammable aate ,現場可程 式規劃閘極陣列)的名稱廣為人知。然而,後者對未授權 的存取完全未提供或僅提供不充分的保障。而在許多智慧 卡及保全1C中,都需要用到此種功能。 德國專利DE 197 53 730 A1中揭露了一種控制一内燃機的 裝置,其中在一微處理器執行指令之前提供有一授權檢查 。然而,此種裝置卻無法應用於功能可程式規劃邏輯電: 的狀況中,因其邏輯電路本身即為其執行組件。 另外,德國專利DE 196 39 033 C1中揭露了 一種供半導體 晶片用的分解防護,其中係由該晶片之一覆蓋物構成防= ,並有一篡改偵測電路以偵測出移除該覆蓋物之動作。 本發明的一項目標為揭露一種資料處理裝置,其能提供 簡單方法以修改功能,但仍可實施快速的資料處理並能滿 足嚴謹的保全需求。 此目標可藉如簡介中所述之類的一資料處理裝置達成, 其特徵為:有一授權控制單元以保護程式規劃界面防止一 未授權存取。 因此’該資料處理裝置係不僅為可程式規劃,其更提供 •4- 556084 A7 _________B7 ___ 五、發明説明(2 ) 了進一步措施以防止未經授權實體企圖篡改程式。其設計 的優點在於:該授權控制裝置係由該功能可程式規劃邏輯 電路與该程式規劃界面結合成一單元所構成。因此,可在 其中配置一篡改偵測裝置,以發現軟體以及(主要是)硬 體的攻擊’並能啟動對應的反應,例如對中央控制站發出 一訊息,或將保全相關資料清除。 在本發明之一較佳改善實例中,其授權控制單元係由一 .-ί ' 微處理器構成,且可用來執行其他工作。結果,可利用依 據本發明的該資料處理裝置來處理複雜的工作。供付費電 視(Pay-TV)應用的智慧卡即其中一種應用領域。 圖式簡單說明 以下將利用一示範性具體實施例,以詳細說明本發明。 圖式中: 圖1顯示根據本發明之資料處理裝置的原理圖; 圖2為利用依據本發明之智慧卡於一正常操作中的配置之 方塊圖,以及 圖3為利用依據本發明之智慧卡於一程式修改中的配置之 方塊圖。 發明詳細說明 圖1說明依據本發明之一資料處理裝置2〇,其具有一功能 可程式規劃邏輯電路21和一授權控制單元23。有一内部程 式規劃界面22,以供該邏輯電路2 1之程式規劃或程式修改 。對此一程式規劃界面的存取動作,係由該授權控制單元 23所保護。唯有在正確輸入PIN(個人識別碼·)之後,方能 -5- 本紙張尺度適用中國s家標準(CNS) A4規格(21G χ 297公爱) -- 556084
執行一程式規劃作業,或於使用一生物測定感應器的事件 中,其生物測定特性被拿來積極地與儲存於一記 圖樣作比較。 的 此時’ 一未經授權的實體可能會企圖透過在硬體篡改, 繞過該授權控制單元23 ,以獲取對該程式規劃界面22直接 存取的機會。因此,另外配置了 一篡改偵測裝置24,以發 現此種硬體攻擊。接著,即能進行適當的反應,例如對一 中央控制站發送一訊息,或對保全相關資料確定其安全。 雖然只有透過該授權控制單元23才能執行—程式規劃作 業,但對該遨輯電路功能的正常存取仍可透過界面25完成 。同樣地,亦可利用該界面25讓額外組件直接連接至該邏 輯電路。 Λ 圖2中顯不依據本發明之一資料處理裝置的示範性應用例 ,以一智慧卡的形式呈現,其中該應用係結合一付費電視 應用的偵測器而成。 ' 付費電視應用的基本作業方式為將電視信號編碼,使其 無法由電視機顯示。該電視信號係在—解碼器中解碼,該 解碼器即-般所謂「視訊轉接器(set_tQp.bQx)」。為能利用 該解碼器以供特定節目使用,使用者必須擁有_片智慧卡 ’在付費時由供應商提供。 採用了迭碼凟异機制,以健存於内的一密錄解 在其技術方面,有一所謂「盤問值(chaUenge vaiue)」在 該電視信號的消隱期間(blanking interva丨)中傳送,並由該 解% ^轉达至肩兔慧卡。在該智慧卡中或在其所含的微處 -6-
P 開該盤問值,並將一回應值傳回給該解碼器。此時後者即 可執行。亥電視jg號的解瑪。該解碼器通常為一標準化的裝 置’故複數個之付費電視節目可用不同的智慧卡以同一解 碼器裝置解碼。 由於所有使用者用來為電視節目解碼的卡係完全相同, 故有心人士即可以模擬方式模擬智慧卡的功能並將其販售 圖利。此種模擬係使用習知的微處理器,且通常皆配備有 β付費電視卡的大部份原版軟體。防止模擬仿冒行為中的 技術問題起源於:某-系統的所有卡片在功能上完全相同 ,因此將可輕易模擬。 曾有人嘗❹定期更換解碼㈣,以期縮短一非法模擬 卡的使用期限。然而,最近的模擬器能讓其密输透過一鍵 盤或-PC界面加以修改。接著,新的密鑰又可透過網際網 路散播開來。 另有一種防止模擬仿冒的方法,即將一客戶特有模组 (ASIC)當作一第二晶片整合於該智慧卡模組上。然而,'這 些模組同樣亦可利用在模擬器上作一硬體反向工程處理加 以模擬。 有關在付費電視應用或電話卡中使用智慧卡的問題,在 ,’A la card”雜誌丨997年第26·27期的第3〗5頁以下有詳細說明 ,其中建議在智慧卡中配備密碼輔助運算器,以使其模擬 仿冒更加困難。由於和用來模擬其功能的外部邏輯比較·, 其資料吞吐量較高,故一模擬器亦同樣只能使用一密碼輔 助運算器才能生效。此法雖能使其模擬更加困難,由非法 本紙張尺"^適财@ g家標準(CNS) Α4規格(21GX297公爱) 五、發明説明(5 ) 杈擬裔的龐大數$,可見其仍不失為有利可圖。 如圖2中所示,依據本發明用於—付費電視解碼器的智藝 卡1具有一微控制器2及一功能可程式規劃硬體組件3,諸;: - F P G A。該微控制器2與該功能可程式規劃硬聽組件3形成 -單元4。另外,配置有—程式規劃裝置5,以進行該功能 可程式規劃硬體組件3的程式規劃。在正常操作時,有一電 視信號10傳送至該解碼Μ。該電視信號1〇同時包含代表 電視畫面的-資料信號12和一盤問值13,"介中說明,、 此盤問值被轉送至該智慧卡。由該微控制器和/或該功能可 程式規劃硬體組件對該盤問值13運用一密碼運算,產生一 回應值14回傳給該解碼μ,並使後者基於該回應值之一 密鑰功能或對原始值的判定’以將該資料信號解碼,並 將其以視訊信號1 5轉送至一電視機。 圖3顯示該功能可程式規劃硬體組件3的程式修改方法。 在此狀況中,與該資料信號12同時傳送的,還有包含於該 肖1C、功間的一耘式規劃指令丨6,讓使用者無法察覺。解碼 g將❹式規劃指令16轉送至該智慧卡中該程式規劃裝置 5的所在位址,讓其執行該功能可程式規劃硬體組件3的程 式規劃。此時,廣播公司就有機會以不同方式為其電視信 號^密,或改變其盤問值,使其唯有應用該修改程式後= 功此才能進行解碼。若經常執行此種修改程式的作業,例 士口每小日吝一^ -人,有心人士即較難母次分析此種新的演算系 、”先,並據以設計一 FPGA程式。 另外’在對該付費電視智慧卡進行直接模擬時,有心人 556084 A7
士亦無法使用一市售的微控制 私,且必須製造包含該微控制 組件3的該單元4。 器,·而必須進行整個反向工 器2與該功能可程式規劃硬體 毋庸贅言’依據本發明的該資料處理裝置的應用範圍並 不限於付費電視的應用’而係可運用於所有對程式規劃性 與保全方面要求嚴謹的系統中。 -9 - 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐) 556084 A7 B7 發明説明(7 ) 參考符號清單 1 智慧卡 2 微控制器 3 功能可程式規劃邏輯電路 4 單元 5 程式規劃裝置 10 電視信號 11 解碼器 12 資料信號 13 盤問值 14 回應值 15 視訊信號 16 控制指令 20 資料處理裝置 21 功能可程式規劃邏輯電路 22 程式規劃界面 23 授權控制單元 24 篡改偵測裝置 25 界面 -10- 本紙張尺度適用中國國家標準(CNS) A4規格(210X 297公釐)
Claims (1)
- ^>56084申请專利範圍 8 8 8; ABCD 種貝料處理裝置,包含—功能可程式規劃邏輯電路㈠ 2D及-程式規劃界面(5;22),其特徵為: 具有一授權控制單元(2; 23),用以保護該程式規劃界 面(5;22)防止一未授權之存取。 2·如申請專利範圍第1項之資料處理裝置,其特徵為: 由》亥功月匕可程式規劃硬體組件川執行一密碼運 算。 、u利範圍第1或第2項之資料處理裝i,其特徵 為· 、具有一操縱偵測裝置(24),其可偵測到對該功能可程 式硬體規劃邏輯電路(21)、該授權控制單元(23)及該程式 規劃界面(22)的操縱動作。 4·如申請專利g圍第1項之資料處理裝£,其特徵為: 。玄技權控制裝置(2; 23)係形成於一微處理器中,該微 處理器亦可用於其他工作。 ' -11 -
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE10105987A DE10105987A1 (de) | 2001-02-09 | 2001-02-09 | Datenverarbeitungsvorrichtung |
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TW556084B true TW556084B (en) | 2003-10-01 |
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Family Applications (1)
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TW091101816A TW556084B (en) | 2001-02-09 | 2002-02-01 | Data processing device |
Country Status (8)
Country | Link |
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US (1) | US7739520B2 (zh) |
EP (1) | EP1358571B1 (zh) |
JP (1) | JP4062604B2 (zh) |
CN (1) | CN1272726C (zh) |
AT (1) | ATE401608T1 (zh) |
DE (2) | DE10105987A1 (zh) |
TW (1) | TW556084B (zh) |
WO (1) | WO2002065323A1 (zh) |
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JP4294514B2 (ja) * | 2004-03-05 | 2009-07-15 | シャープ株式会社 | 半導体装置および電子装置 |
DE102004027372B4 (de) * | 2004-06-04 | 2006-03-30 | Infineon Technologies Ag | DPA-resistente konfigurierbare Logikschaltung |
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2001
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2002
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- 2002-01-21 EP EP02706608A patent/EP1358571B1/de not_active Expired - Lifetime
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- 2002-02-01 TW TW091101816A patent/TW556084B/zh not_active IP Right Cessation
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EP1358571A1 (de) | 2003-11-05 |
DE50212509D1 (de) | 2008-08-28 |
EP1358571B1 (de) | 2008-07-16 |
JP2004527827A (ja) | 2004-09-09 |
US7739520B2 (en) | 2010-06-15 |
US20040034789A1 (en) | 2004-02-19 |
DE10105987A1 (de) | 2002-08-29 |
ATE401608T1 (de) | 2008-08-15 |
WO2002065323A1 (de) | 2002-08-22 |
CN1272726C (zh) | 2006-08-30 |
JP4062604B2 (ja) | 2008-03-19 |
CN1491392A (zh) | 2004-04-21 |
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