TW564626B - Preventing the unwanted external detection of operations in digital integrated circuits - Google Patents
Preventing the unwanted external detection of operations in digital integrated circuits Download PDFInfo
- Publication number
- TW564626B TW564626B TW091112203A TW91112203A TW564626B TW 564626 B TW564626 B TW 564626B TW 091112203 A TW091112203 A TW 091112203A TW 91112203 A TW91112203 A TW 91112203A TW 564626 B TW564626 B TW 564626B
- Authority
- TW
- Taiwan
- Prior art keywords
- circuit
- digital
- time
- digital integrated
- integrated circuit
- Prior art date
Links
Classifications
-
- 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
- G06F21/75—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 by inhibiting the analysis of circuitry or operation
- G06F21/755—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 by inhibiting the analysis of circuitry or operation with measures against power attack
-
- 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
- G06F21/76—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 application-specific integrated circuits [ASIC] or field-programmable devices, e.g. field-programmable gate arrays [FPGA] or programmable logic devices [PLD]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Storage Device Security (AREA)
- Semiconductor Integrated Circuits (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Tests Of Electronic Circuits (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
564626 五、發明説明(彳 ) 本發明關於-種在數位積體電路中避免操作之外部情測 的方法’及關於-種數位積體電路,其中可避免在該數位 積體電路中操作的不需要的外部谓測。本發明特別關於對 於所謂側通道攻擊的對策,如同為了分析數位積體電 執行者。 在許多數位積體電路中’未授權的人必須被防止來分析 遠積體電路的運作模式。範例性電路中, 所要受到保護的為晶片卡IC、安全性IC,或甚至 個別電路杈組,例如像是加密共同處理器。其不需要解釋 的是,未授權人士必須被防止來分析由一加密共同處理哭 所執行的編碼演算法。 —典型的攻擊策略例如係由未授權人士嘗試來分析由一加 密共同處理器所執行的編碼演算法,其稱之為所謂的側通 道攻擊:這種側通道攻擊包含,例如該差異功率消耗分析 (DPA’fferentiai power anaIysis),偵測相關的積體電路之 電磁輻射,及所謂的時序攻擊。 、^ 相對於同步電路’在自我計時的電路當中,非同步電路 具有的較佳特徵為其處理並不直接關連⑤時間週期二事件 ’例如該時脈。因此,其處理並不顯示出任何與—時間週 期性事件的相關性,藉此在該非同步電路中更為困難地成 功地執行側通道攻擊。但是,即使在非同步電路中:該切 換元件的數目一般而言係根據要處理之特殊操作’所以一 會發生所考慮的該電路之功率消耗的輪靡中所反 應出的處理資料相關性。 -4 - 本纸張尺度適ϊϋ·準(CNS) A4規格(2Π) X 297公釐) 564626 A7 五、發明説明( 為了使k種攻擊更為困難,其已知要插入所謂的隨機等 待狀態到該處理流程中。其亦知道要強迫在CPU操作的執 订中的中斷。在该插入隨機等待狀態中,該操作時序的可 能變化受到限制,因為_延遲不能夠啟動,或一等待狀能 不能夠隨時插入。甚至中斷該CPU中之執行的量測不能夠 完全阻隔側頻道攻墼。i α π A t 颅L又孝因為廷種中斷可由該變化功率消杯 所偵測到。 由此先前技藝開始,本發明❸目的在於提供一種在包含 一非同步電路之數位積體電路中避免操作之外部偵測的方 法。 本發明另一目的係開發一種具有一非同步電路之數位 體電路,其方式可避免在該數位電路中操作的不需要之外 部偵測。 該第一目的係由如申請專利範圍第丨項之方法來達成。 該第二目的係由如申請專利範圍第3項之積體電路來達成。 本發明提供一種在包含一非同步電路之積體電路 操作之外部偵測的方法,其包含的方法 J乃凌步驟為隨時間改變 該非同步電路之供應電壓,以在時間中偏移該非同步電路 中操作的執行時間〜。在本發明一較佳方面中’此供應:斤 的變化係以隨機方式來發生。 -^ ^ ^ 本發明係基於發現到在該操作的執行车 aa 仃寸間中一隨機的時 間跳動,某可由疊加一隨機控制的,g τ /扣不可預測的時間跳 動在該供應電壓上來得到,藉此可避免 〜 t兄在该側頻道攻擊中 個別量測的人為、同步。但是在該非同步雷 ^ 少電路中操作之執行 -5 - 本紙張足度適用中國國家標準(CNS) A4規格(210X 297公釐) >64626
的時間跳動,计π a ' ’不會:Le成處理錯誤,因為 同步電路會產生—白# m i u為根據其性質,非 同步電路會產生-自動同步化: 根據本發明的—裝置方面 同 係 執 面 步電路,;切版包路包含一非 由該非同= 時間改變該供應電壓的裝置,其 行時間為時間偏移的。 卜電路中#作的 來本發明的—較佳具體實施例將參考所附圖 圖式簡單說明 較佳具體實施例的一 該唯一的圖面顯示出根據本發明一 數位積體電路之方塊圖。 發明詳細說明 本發明之數位積體電路其整個可參考到該參考編號丨,其 包含,步電路2、-用以產生真實隨機數目的產生器電 路3(真貫隨機數目產生器),一數位類比轉換器*,在其輸入 側,係回授由該產生器電路所產生的數位隨機號碼,而在 4輸出側,產生一相對應的類比目標電壓值,及一電壓調 整器5,在其輸入側,由該數位類比轉換器4回授該類比目 標電壓值,而在其輸出側,可產生一實際電壓值,其形成 該非同步電路2之供應電壓。該產生真實隨機數目的產生器 電路3依此包含一產生雜訊電壓之雜訊源6,及由該雜訊源6 所驅動的一隨機數目產生器7。 除了此處所示的該雜訊源6及該隨機數目產生器7之組合 之外’然而任何隨機產生器可用來產生該隨機數目,做為 -6 - 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐) 564626 A7
該數位類比轉換器4之輸入量。 在此處所示的該較佳具體實施例中, 一伺服细杜s ^ ^ 电逐调整器5包含 仴服組件8、一貫際值偵測裝置9,及一 ^ ,該輸入在一方面為來自^Γ數 /、形成裝置1 0 严“類比轉換器4之類比目標電 在另一方面,則回授來自該實際值偵測裝置9之浐 出信號。 』衣置y之輸 該產生器電路3、該數位類比轉換器4及該電壓調整界5丘 同形成一種隨機地隨時間變化該供應電壓之裝置,或/、 豐加一隨機時間跳動在該供應電壓上之裝置,其分^會址 應該非同步電路2。由於該隨機變化的供應電壓,在該^ 步電路中操作的執行中有一隨機時間跳動,藉此在該所2 的侧通道攻擊中個別量測的人為同步,其可避免,或謂 使其更為困難。 少 本紙張尺度適用中國國家標準(CNS) A4規格(210X 297公釐) 564626 A7 B7 五、發明説明(5 ) 參考標號表 1 數位電路 2 非同步電路 3 產生器電路 4 數位-類比轉換器 5 電壓調整器 6 雜訊源 7 隨機數目產生器 8 伺服組件 9 實際值偵測裝置 10 差異-形成裝置 -8- 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐)
Claims (1)
- 564626 申請專利範圍 Α8 Β8 C8 D8 2. 3· 4· 5· 6. 8. 包含—非同步電路⑺之-數位積體電路⑴中 避免刼作之該外部偵測的方法, 間m遺時間改變該非同步電路⑺之一供應電屋以時 々卜主:非同步電路内操作的該執行時間之方法步驟。 如申凊專利範圍第 間變化係以味 員之方法,其中該供應電壓的該時 η欠化係以一隨機方式發生。 一種數位積體電路,其包含·· 一非同步電路(2),及 上()内#作的該執行點之一供應電壓的裝置(3,4 如申明專利粑圍第3項之數位積體電路,其中用以隨時 間改變該供應電壓的該梦 ' 生器⑺。% _ ^置(3, 4, 5)係包含-隨機數目產 範圍第4項之數位積體電路’其中用以隨時==«麼的該裝置(3,4,5)進一步包含驅動該隨 產生為(7)之一雜訊電壓源(6)。 如申凊專利範圍第4項之數位積體電路,其中 間改變該供應電壓的該裝置(3, 4, 5)進一步包含一數 比轉換益(4),其轉換由該隨機數目產生器、 該數位值成為一類比電壓。 )所產生的 如申請專利範圍第3項之數位積體電路,其中用以隨時 間改變該供應電壓的該裝置(3, 4, 5)進-步包含 二: 整器(5)。 3電壓调 如申請專利範圍第3項之數位積體電路,其中該非同步 電路(2)係形成來執行一編碼演算法。 乂 -9 本紙張尺度適用中國國家標準(CNS) a4規格(21〇x 297公釐)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10128573A DE10128573A1 (de) | 2001-06-13 | 2001-06-13 | Verhindern der unerwünschten externen Erfassung von Operationen in integrierten Digitalschaltungen |
Publications (1)
Publication Number | Publication Date |
---|---|
TW564626B true TW564626B (en) | 2003-12-01 |
Family
ID=7688092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW091112203A TW564626B (en) | 2001-06-13 | 2002-06-06 | Preventing the unwanted external detection of operations in digital integrated circuits |
Country Status (7)
Country | Link |
---|---|
US (1) | US20040143747A1 (zh) |
EP (1) | EP1430376B1 (zh) |
CN (1) | CN1244037C (zh) |
AT (1) | ATE291754T1 (zh) |
DE (2) | DE10128573A1 (zh) |
TW (1) | TW564626B (zh) |
WO (1) | WO2002101520A2 (zh) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6951804B2 (en) | 2001-02-02 | 2005-10-04 | Applied Materials, Inc. | Formation of a tantalum-nitride layer |
US6916398B2 (en) | 2001-10-26 | 2005-07-12 | Applied Materials, Inc. | Gas delivery apparatus and method for atomic layer deposition |
US7780785B2 (en) | 2001-10-26 | 2010-08-24 | Applied Materials, Inc. | Gas delivery apparatus for atomic layer deposition |
FR2844896A1 (fr) * | 2002-09-19 | 2004-03-26 | St Microelectronics Sa | Alimentation d'un circuit de traitement asynchrone de donnees |
US8296577B2 (en) * | 2004-06-08 | 2012-10-23 | Hrl Laboratories, Llc | Cryptographic bus architecture for the prevention of differential power analysis |
KR100855958B1 (ko) * | 2004-11-24 | 2008-09-02 | 삼성전자주식회사 | 해밍거리를 이용한 부가 채널 공격에 안전한 암호화시스템 및 방법 |
US8301905B2 (en) * | 2006-09-08 | 2012-10-30 | Inside Secure | System and method for encrypting data |
US8781111B2 (en) * | 2007-07-05 | 2014-07-15 | Broadcom Corporation | System and methods for side-channel attack prevention |
KR101388538B1 (ko) | 2007-09-28 | 2014-04-23 | 테세라, 인코포레이티드 | 이중 포스트를 사용하여 플립칩 상호연결한 마이크로전자 어셈블리 |
EP2369622B1 (fr) | 2010-03-24 | 2015-10-14 | STMicroelectronics Rousset SAS | Procédé et dispositif de contremesure contre une attaque par injection d'erreur dans un microcircuit électronique |
FR2958098B1 (fr) * | 2010-03-24 | 2012-11-16 | St Microelectronics Rousset | Procede et dispositif de contremesure pour proteger des donnees circulant dans un microcircuit electronique |
US8580607B2 (en) | 2010-07-27 | 2013-11-12 | Tessera, Inc. | Microelectronic packages with nanoparticle joining |
US8853558B2 (en) | 2010-12-10 | 2014-10-07 | Tessera, Inc. | Interconnect structure |
DE102011107104B4 (de) * | 2011-07-12 | 2020-11-12 | Giesecke+Devrient Mobile Security Gmbh | Tragbares Sicherheitsmodul und Verfahren zu dessen Betrieb zur Abwehr eines Angriffs in Echtzeit per Mustererkennung |
US8958550B2 (en) * | 2011-09-13 | 2015-02-17 | Combined Conditional Access Development & Support. LLC (CCAD) | Encryption operation with real data rounds, dummy data rounds, and delay periods |
WO2013172913A2 (en) * | 2012-03-07 | 2013-11-21 | The Trustees Of Columbia University In The City Of New York | Systems and methods to counter side channels attacks |
CN102735985B (zh) * | 2012-06-12 | 2016-05-25 | 福建睿矽微电子科技有限公司 | 随机电流型防探测装置及防探测方法 |
CN102759680B (zh) * | 2012-06-12 | 2015-06-24 | 福建睿矽微电子科技有限公司 | 随机电压型防探测装置及防探测方法 |
WO2014031100A1 (en) * | 2012-08-21 | 2014-02-27 | Empire Technology Development Llc | Detection and mitigation of side-channel attacks |
CN103198268B (zh) * | 2013-03-18 | 2016-06-08 | 宁波大学 | 一种可重构多端口物理不可克隆函数电路 |
US9891889B2 (en) | 2016-06-30 | 2018-02-13 | International Business Machines Corporation | Injecting CPU time jitter to improve entropy quality for random number generator |
US10805339B2 (en) * | 2017-03-08 | 2020-10-13 | Robert Bosch Gmbh | Method to mitigate timing based attacks on key agreement schemes over controller area network |
FR3065556B1 (fr) | 2017-04-19 | 2020-11-06 | Tiempo | Circuit electronique securise par perturbation de son alimentation. |
CN107403798B (zh) * | 2017-08-11 | 2019-02-19 | 北京兆易创新科技股份有限公司 | 一种芯片及其检测方法 |
US10833851B2 (en) | 2017-08-29 | 2020-11-10 | Robert Bosch Gmbh | Methods and systems for linear key agreement with forward secrecy using an insecure shared communication medium |
US12079332B2 (en) * | 2021-10-15 | 2024-09-03 | Schweitzer Engineering Laboratories, Inc. | Security device to protect active communication ports |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4460870A (en) * | 1981-07-23 | 1984-07-17 | Curtis Instruments, Inc. | Quiescent voltage sampling battery state of charge meter |
US4855690A (en) * | 1987-08-10 | 1989-08-08 | Dallas Semiconductor Corporation | Integrated circuit random number generator using sampled output of variable frequency oscillator |
US4905176A (en) * | 1988-10-28 | 1990-02-27 | International Business Machines Corporation | Random number generator circuit |
FR2638869B1 (fr) * | 1988-11-10 | 1990-12-21 | Sgs Thomson Microelectronics | Dispositif de securite contre la detection non autorisee de donnees protegees |
US5353243A (en) * | 1989-05-31 | 1994-10-04 | Synopsys Inc. | Hardware modeling system and method of use |
IT1238529B (it) * | 1989-11-10 | 1993-08-18 | Data Protection Srl | Dispositivo di protezione per computer e simili, atto ad impedire la cattura, la registrazione e l'uso indebito di dati dai medesimi duran-te il loro funzionamento e a proteggerli da disturbi transitori, ad e-levato contenuto energetico, verificantisi sulla rete a corrente alternata di alimentazione. |
TW226057B (zh) * | 1991-12-23 | 1994-07-01 | Philips Nv | |
FR2745924B1 (fr) * | 1996-03-07 | 1998-12-11 | Bull Cp8 | Circuit integre perfectionne et procede d'utilisation d'un tel circuit integre |
FR2776410B1 (fr) * | 1998-03-20 | 2002-11-15 | Gemplus Card Int | Dispositifs pour masquer les operations effectuees dans une carte a microprocesseur |
DE19828936A1 (de) * | 1998-05-29 | 1999-12-02 | Siemens Ag | Verfahren und Vorrichtung zum Verarbeiten von Daten |
DE69938045T2 (de) * | 1998-06-03 | 2009-01-15 | Cryptography Research Inc., San Francisco | Verwendung von unvorhersagbarer Information zur Leckminimierung von Chipkarten und anderen Kryptosystemen |
JP2000066592A (ja) * | 1998-08-19 | 2000-03-03 | Syst Kogaku Kk | 乱数生成装置 |
WO2000019353A1 (de) * | 1998-09-30 | 2000-04-06 | Koninklijke Philips Electronics N.V. | Datenträger |
US6396137B1 (en) * | 2000-03-15 | 2002-05-28 | Kevin Mark Klughart | Integrated voltage/current/power regulator/switch system and method |
US6515304B1 (en) * | 2000-06-23 | 2003-02-04 | International Business Machines Corporation | Device for defeating reverse engineering of integrated circuits by optical means |
-
2001
- 2001-06-13 DE DE10128573A patent/DE10128573A1/de not_active Withdrawn
-
2002
- 2002-05-16 WO PCT/EP2002/005428 patent/WO2002101520A2/de active IP Right Grant
- 2002-05-16 DE DE50202577T patent/DE50202577D1/de not_active Expired - Lifetime
- 2002-05-16 EP EP02762274A patent/EP1430376B1/de not_active Expired - Lifetime
- 2002-05-16 AT AT02762274T patent/ATE291754T1/de active
- 2002-05-16 CN CNB028120000A patent/CN1244037C/zh not_active Expired - Fee Related
- 2002-06-06 TW TW091112203A patent/TW564626B/zh not_active IP Right Cessation
-
2003
- 2003-12-11 US US10/735,517 patent/US20040143747A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2002101520A3 (de) | 2004-03-11 |
ATE291754T1 (de) | 2005-04-15 |
US20040143747A1 (en) | 2004-07-22 |
CN1516829A (zh) | 2004-07-28 |
EP1430376B1 (de) | 2005-03-23 |
DE50202577D1 (de) | 2005-04-28 |
CN1244037C (zh) | 2006-03-01 |
DE10128573A1 (de) | 2003-01-02 |
WO2002101520A2 (de) | 2002-12-19 |
EP1430376A2 (de) | 2004-06-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW564626B (en) | Preventing the unwanted external detection of operations in digital integrated circuits | |
US20100067685A1 (en) | Encryption device | |
EP0459696A2 (en) | Self-regulating clock generator | |
EP1057096B1 (en) | Data carrier with obscured power consumption | |
US8687799B2 (en) | Data processing circuit and control method therefor | |
JP4773412B2 (ja) | 集積回路の刻時制御方法及びその方法を適用した集積回路 | |
TW548585B (en) | Random number generator and method for generating a random number | |
EP1785906A2 (en) | Semiconductor apparatus with protective measure against power consumption analysis | |
Varchola et al. | New universal element with integrated PUF and TRNG capability | |
EP1306740A3 (en) | A semiconductor circuit, and method for operating the same | |
US7500110B2 (en) | Method and arrangement for increasing the security of circuits against unauthorized access | |
RU2003137831A (ru) | Электронная схема с контроллером и способ управления энергией | |
CN107690647A (zh) | 用于实施计算方法的设备和方法 | |
AU2553000A (en) | Countermeasure method in an electronic component using a secret key cryptographic algorithm | |
JPH10154021A (ja) | クロック切換装置およびクロック切換方法 | |
US20080201395A1 (en) | Method and apparatus for distributing random elements | |
KR100957672B1 (ko) | 전기식 분석에 대해 보호되는 디지털 전자부품 | |
TWI275097B (en) | Memory device and method for testing the same | |
US6404657B1 (en) | Method to synchronize multiple switching regulators in out of phase mode without PLL | |
EP0530846A3 (en) | Bus coupling interface | |
US6864730B2 (en) | Clocked integrated semiconductor circuit and method for operating such a circuit | |
EP3554048A1 (en) | Information processing device and relay device | |
WO2003036866A1 (fr) | Appareil de traitement d'information | |
TWI335793B (en) | Method for reducing emi of a clock signal | |
US20160344542A1 (en) | Processing device and operating method therefor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GD4A | Issue of patent certificate for granted invention patent | ||
MM4A | Annulment or lapse of patent due to non-payment of fees |