WO2009036610A1 - Dispositif de protection de sécurité - Google Patents

Dispositif de protection de sécurité Download PDF

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Publication number
WO2009036610A1
WO2009036610A1 PCT/CN2007/002903 CN2007002903W WO2009036610A1 WO 2009036610 A1 WO2009036610 A1 WO 2009036610A1 CN 2007002903 W CN2007002903 W CN 2007002903W WO 2009036610 A1 WO2009036610 A1 WO 2009036610A1
Authority
WO
WIPO (PCT)
Prior art keywords
protection
circuit board
strip
board
wiring layer
Prior art date
Application number
PCT/CN2007/002903
Other languages
English (en)
Chinese (zh)
Inventor
Shuxian Shi
Cunliang Tong
Original Assignee
Pax Computer Technology (Shenzhen) Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pax Computer Technology (Shenzhen) Co., Ltd. filed Critical Pax Computer Technology (Shenzhen) Co., Ltd.
Publication of WO2009036610A1 publication Critical patent/WO2009036610A1/fr

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
    • G06F21/86—Secure or tamper-resistant housings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0275—Security details, e.g. tampering prevention or detection
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits
    • H05K1/141—One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10151—Sensor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
    • H05K2201/2018—Presence of a frame in a printed circuit or printed circuit assembly

Definitions

  • the invention belongs to the field of electronic circuit protection, and in particular relates to a safety protection device for protecting components on a circuit board from attack. Background technique
  • the S of the embodiment of the present invention provides a security protection device for solving the problem that sensitive data information of an electronic circuit component is stolen by physical means.
  • a safety protection device includes a protection board and a protection wall.
  • the protection wall and the protection board are combined to form a cover with only one opening, covering the protected circuit board.
  • Protective area, the protective wall is surrounded by at least two separate circuit boards that are connected together.
  • the invention forms a cover with only one opening through a protective plate and a protective wall surrounded by at least two independent circuit board strips, covering the protected area of the protected circuit board, and protecting the components in the area, thereby avoiding It is subject to physical attacks.
  • FIG. 1 is an exploded schematic view of a security protection device and a protected main circuit board according to an embodiment of the present invention
  • FIG. 2 is an exploded and enlarged schematic view of a protective wall of a safety protection device according to an embodiment of the present invention. detailed description
  • the security protection device of the embodiment of the present invention surrounds the protected circuit board with the important component area through the protection board with the circuit wiring and the protection wall, and attempts to destroy these components or steal the sensitive data information of these components.
  • the protective wall or protection board of the safety protection device must be broken first and the upper wiring is not disconnected or shorted. Otherwise, the relevant circuit triggers, destroys or erases the sensitive data information on the component to prevent it from being detected. Or steal.
  • the protected circuit board 10 may be a main board of a point of sale device such as a PQS (point of sales) machine or a circuit board used on other devices.
  • the protected circuit board 10 can be a printed circuit board having a plurality of wiring layers, the protected area of which is designated by reference numeral 14.
  • the protected area 14 of the protected circuit board 10 is provided with components such as a central processing unit, a flash memory, a static memory, a dynamic random access memory, a security monitor chip, an integrated circuit chip, a bus, a security detection trace, and the like.
  • Safety protection devices can be installed on the upper and lower sides of the protected circuit board 10 to prevent important components of the protected circuit board 10 from being attacked.
  • the safety protection device mounted on the upper and lower sides of the protected circuit board 10 has the same shape and structure, and its size can be adjusted according to actual needs. In the following, only one of the security devices is taken as an example. Detailed description of the line.
  • the safety protection device includes a protective wall 20, a conductive zebra strip 30, and a protective plate 40. The protective wall 20 and the protective panel 40 are combined to form a single open cover that covers the protected area 14 of the protected circuit board 10.
  • the protective wall 20 includes two separate circuit boards 22, which are not limited to only two circuit boards 2 in practical use.
  • Each of the two ends of the circuit board strip 22 is respectively provided with a protrusion 222 and a groove 224.
  • Each of the protrusions 222 is connected to the groove 224 of the adjacent circuit board strip 22, and two adjacent circuit boards are connected.
  • all of the circuit board strips 22 are combined to form a protective wall 20 that can be disposed outside the protected area.
  • Each circuit board strip 22 is provided with a fixing hole 226 and a strip through hole 228.
  • the circuit board strip 22 is electrically connected to the protected circuit board 10 through the solder on the pad.
  • an indication signal is provided to cause the associated circuitry to trigger, destroy or erase sensitive data information within the critical components of the protected circuit board 10, preventing such data information from being steal.
  • the conductive zebra strips 30 are mounted in the through holes 228 of the circuit board strip 22.
  • the fixing hole 226 of the corresponding circuit board strip 22 on the protection board 40 is provided with a fixing hole 426, and the safety protection device is fixed to the protected circuit board 10 by means of screws (not shown) passing through the fixing holes 226, 426.
  • the protective plate 40 has the same shape as the protective area, covers the protective wall 20 and covers the protective area 14.
  • the protection board 40 is a circuit board having a plurality of wiring layers and a ground layer, wherein signal traces between the wiring layers are connected through via holes.
  • the protective plate 40 is in physical contact with the conductive zebra strips 30, and the traces on the protective plate 40 are electrically connected to the protected circuit board 10 by means of conductive zebra strips 30.
  • the conductive zebra strip 30 not only electrically connects the protected circuit board 10 to the protective board 40 as a connector, but also serves as a pressure sensing device to sense the pressure condition of the safety device. Once someone removes the protective plate 40, the conductive zebra strips 30 will disconnect the traces on the protective plate 40 from the protected circuit board 10, and the associated circuitry will trigger, destroy or erase the protected circuit board 10. Sensitive data information within important components to prevent them from being detected or stolen.
  • the protective wall 20, the conductive zebra strips 30 and the protective sheet 40 form a protective cover that encloses the important components on the protected circuit board 10.
  • an indication signal is provided to cause the associated circuitry to trigger, destroy or erase sensitive data information within the critical components of the protected circuit board 10. Therefore, it is not only impossible to monitor the operation of the main system from outside the safety protection device. In the case of the line, it is also impossible to steal sensitive data information on important components by physically separating the security devices.
  • each of the wiring layers of the protection board 4Q is two traces, one of which is connected to a high voltage and the other of which is connected to a low voltage.
  • the two traces on each wiring layer are parallel, and the trace width and the trace spacing are the same.
  • the traces between the wiring layers are connected by means of via holes.
  • the routing direction on each wiring layer intersects with the routing direction on the adjacent wiring layer, and the routing directions on the adjacent wiring layers of the same wiring layer are parallel to each other, for example: the wiring of the first wiring layer is horizontal In the direction, the trace of the second wiring layer is perpendicular to the trace direction of the first wiring layer, and the trace of the third wiring layer is parallel to the trace of the first wiring layer, and is also horizontal.
  • the protective board projected on a plane parallel to the wiring layer free of voids, i.e. the angle the protective layer is a wiring board viewed from a vertical protective plate 9 so that there is no gap, will need to be a breakthrough for each wiring layer on the whole, not otherwise protected from The board detects or steals sensitive data on important electronic components that are covered by the protective board.
  • the trace of the protective wall 20 or the protection panel 40 is bound to be broken or shorted, and the trace of the protective wall 20 or the protective panel 40 is broken or short.
  • the associated circuitry is triggered to destroy or erase sensitive data information within critical components of the protected circuit board 10 from being detected or stolen.
  • the invention is applicable to the field of electronic circuit protection, and provides a safety protection device, comprising a protection board and a protection wall, the protection wall and the protection board being combined to form a cover with only one opening, covering the protected circuit a protective area of the board, the protective wall being separated by at least two independent The circuit board strip is enclosed.
  • the present invention encloses the protected area of the protected circuit board by a protective board and a protective wall surrounded by at least two separate circuit board strips to provide protection to the components in the area from physical attacks.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Storage Device Security (AREA)

Abstract

L'invention concerne un dispositif de protection de sécurité qui se rapporte à un champ de protection d'un circuit électronique. Il comprend une plaque de protection et une paroi de protection, la paroi de protection et la plaque de protection sont assemblées pour constituer un couvercle ouvert sur un côté, recouvrant la zone de protection de la plaque du circuit protégé, la paroi de protection est entourée par au moins deux plaques de circuits indépendantes maintenues ensemble. La zone de protection de la plaque du circuit protégé est entourée par la plaque de protection et par la paroi de protection entourées par au moins deux plaques de circuits indépendantes afin de protéger l'élément de la zone et éviter toute attaque physique.
PCT/CN2007/002903 2007-09-21 2007-10-09 Dispositif de protection de sécurité WO2009036610A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 200710077206 CN101128094B (zh) 2007-09-21 2007-09-21 安全保护装置
CN200710077206.4 2007-09-21

Publications (1)

Publication Number Publication Date
WO2009036610A1 true WO2009036610A1 (fr) 2009-03-26

Family

ID=39095961

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/002903 WO2009036610A1 (fr) 2007-09-21 2007-10-09 Dispositif de protection de sécurité

Country Status (2)

Country Link
CN (1) CN101128094B (fr)
WO (1) WO2009036610A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101128094B (zh) * 2007-09-21 2011-05-11 百富计算机技术（深圳）有限公司 安全保护装置
CN102819913B (zh) * 2012-07-19 2015-01-28 深圳市九思泰达技术有限公司 一种金融支付机具的安全防护装置及金融支付机具
GB2504480A (en) * 2012-07-27 2014-02-05 Johnson Electric Sa Multilayer Security Wrap Film for Protecting Electronic Device.
TWI567599B (zh) * 2013-09-27 2017-01-21 友達光電股份有限公司 具靜電攻擊防護之面板裝置
CN105205417A (zh) * 2015-09-17 2015-12-30 福建新大陆支付技术有限公司 一种电子电路中数据防窃取的保护装置及方法
CN105303725B (zh) * 2015-11-04 2018-03-30 上海慧银信息科技有限公司 物理安全保护模块以及金融交易终端
CN105913585A (zh) * 2016-04-05 2016-08-31 无锡矽鼎科技有限公司 电路装置以及包括其的电子设备
CN105844818A (zh) * 2016-04-05 2016-08-10 无锡矽鼎科技有限公司 电路装置以及包括其的电子设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2502460Y (zh) * 2001-10-29 2002-07-24 大森开发科技股份有限公司 网络交换器结构
CN1477475A (zh) * 2002-08-23 2004-02-25 广达电脑股份有限公司 个人电脑标准界面卡
CN1510810A (zh) * 2002-12-20 2004-07-07 ̹�� 用于电子电路的反篡改外壳
CN2718647Y (zh) * 2004-06-11 2005-08-17 华为技术有限公司 用于保护主机信息安全的装置
CN101128094A (zh) * 2007-09-21 2008-02-20 百富计算机技术（深圳）有限公司 安全保护装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2502460Y (zh) * 2001-10-29 2002-07-24 大森开发科技股份有限公司 网络交换器结构
CN1477475A (zh) * 2002-08-23 2004-02-25 广达电脑股份有限公司 个人电脑标准界面卡
CN1510810A (zh) * 2002-12-20 2004-07-07 ̹�� 用于电子电路的反篡改外壳
CN2718647Y (zh) * 2004-06-11 2005-08-17 华为技术有限公司 用于保护主机信息安全的装置
CN101128094A (zh) * 2007-09-21 2008-02-20 百富计算机技术（深圳）有限公司 安全保护装置

Also Published As

Publication number Publication date
CN101128094A (zh) 2008-02-20
CN101128094B (zh) 2011-05-11

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