CN1510810A - 用于电子电路的反篡改外壳 - Google Patents

用于电子电路的反篡改外壳 Download PDF

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CN1510810A
CN1510810A CNA2003101215290A CN200310121529A CN1510810A CN 1510810 A CN1510810 A CN 1510810A CN A2003101215290 A CNA2003101215290 A CN A2003101215290A CN 200310121529 A CN200310121529 A CN 200310121529A CN 1510810 A CN1510810 A CN 1510810A
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CN100452600C (zh
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�����ˡ��ƺ�
伊扎克·科亨
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阿尔农·阿维夫
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/57—Protection from inspection, reverse engineering or tampering
    • H01L23/576—Protection from inspection, reverse engineering or tampering using active circuits
    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0208—Interlock mechanisms; Means for avoiding unauthorised use or function, e.g. tamperproof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/032—Anti-tamper
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • 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
    • H05K1/145—Arrangements wherein electric components are disposed between and simultaneously connected to two planar printed circuit boards, e.g. Cordwood modules
    • 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
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10189—Non-printed connector
    • 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
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/15—Position of the PCB during processing
    • H05K2203/1572—Processing both sides of a PCB by the same process; Providing a similar arrangement of components on both sides; Making interlayer connections from two sides

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Power Engineering (AREA)
  • Storage Device Security (AREA)
  • Burglar Alarm Systems (AREA)
  • Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
  • Transmitters (AREA)
  • Casings For Electric Apparatus (AREA)
  • Structure Of Printed Boards (AREA)

Abstract

一种包括多个印刷电路板的电子电路组件，该印刷电路板包括电子电路和安装在多个印刷电路板中至少一个上并且与该电子电路电连接的电子元件，其中多个印刷电路板中的至少一些限定了一个用于至少一些电子元件的反篡改外壳。

Description

用于电子电路的反篡改外壳
技术领域
本发明总体上涉及电子电路的保护，尤其涉及通过篡改而启动的自动自毁机构。
背景技术
下面的美国专利代表了现有技术：US5,861,662、5,998,858、6,359,338以及6,414,884，它们所公开的内容在此处引入作为参考。
发明内容
本发明的目的是提供一种改进的用于电子电路的反篡改外壳(anti-tampering enclosure)。
从而根据本发明的一个优选实施例提供一种包括多个印刷电路板的电子电路组件，印刷电路板包括电子电路和安装在多个印刷电路板中至少一个上并且与电子电路电连接的电子元件，其中多个印刷电路板中的至少一些限定了一个用于至少一些电子元件的反篡改外壳。
优选地，多个印刷电路板中的至少一些物理地围住至少一些电子元件。
根据本发明的一个优选实施例，多个印刷电路板中的至少一些包括当篡改时变成短路或者中断的导线分布图(conductor pattern)。
优选地，电子电路组件也包括检测电路，检测电路检测导线分布图中的短路或中断并且响应于检测的短路或中断提供一个篡改警告输出指示，并且包括自毁电路，自毁电路提供一个电路破坏电输出到被多个印刷电路板所围住的电子元件。
根据本发明的一个优选实施例，检测电路和自毁电路被多个印刷电路板围住。
优选地，检测电路也检测多个印刷电路板相互之间的分离。
根据本发明的一个优选实施例，电子电路组件形成个人识别号码装置(personal identification number pad)的一部分。
根据本发明另一优选实施例，电子电路组件形成销售点终端的一部分。
附图说明
通过下面的详细描述将会更完全地理解和认知本发明，其中所结合的附图为：
图1A、1B和1C分别是一种销售点装置的简化示意图、局部剖开示意图和几乎完全剖开的示意图，该销售点装置包括根据本发明一个优选实施例而制造和操作的反篡改外壳；
图2是位于根据本发明优选实施例所制造和操作的反篡改外壳内的电子电路的简化剖视示意图；
图3是在图1A到1C和图2的实施例中所用的反篡改导线分布图的简图；以及
图4是保护电路的简图，该保护电路通过由一个或多个图3所示的反篡改导线分布图所检测到的篡改而启动。
具体实施例
现在参照图1A、1B和1C，这些图是一种销售点装置的简化示意图，该销售点装置包括根据本发明一个优选实施例而制造和操作的反篡改外壳。销售点装置可以是任何适合的销售点装置，例如商业上可从Lipman Electronic Engineering Ltd.Of Rosh Haayin购买的NuritModel 8000电子收款机终端或者Nurit Model 292个人识别号码(PIN)装置。
如图1A到1C所示，销售点装置典型包括安装在壳体10中的键盘12、磁卡读卡器14、智能卡读卡器15、显示屏16、调制解调器18和确认电路(validation circuitry)20，该确认电路20典型包括防止受篡改的数据关键元件，例如微处理器22和存储器24。这些数据关键元件可以包括加密密钥和个人识别数据。
根据本发明一个优选实施例，提供一个反篡改外壳30，它至少封装着数据关键元件22和24。根据本发明一个优选实施例，该反篡改外壳30由包括至少一层电导线分布图的传统多层印刷电路板32形成，当短路或者断路时提供一个篡改输出指示。
现在参照图2，它是位于根据本发明优选实施例制造和操作的反篡改外壳内电子电路的简化剖视示意图。
如图2所示，反篡改外壳优选包括一个基部印刷电路板40，该基部印刷电路板40优选包括传统电子电路以及可以包括一个接地面以及可以具有在保护区域内外安装其上的电子元件42，该保护区域用标号44表示。防止受篡改的由标号45表示的数据关键元件例如微处理器和存储器显示在保护区域44内。
保护区域44外周被一个或多个印刷电路板46围住并且被一个印刷电路板48覆盖，该印刷电路板48也可以包括传统电子电路并且具有在保护区域44内外安装在印刷电路板48上的电子元件50。
根据本发明一个优选实施例，组成保护外壳的不同印刷电路板每一个都提供了一层或多层电导线分布图52，当短路或断路时它给自身或该印刷电路板中的其它电路提供一个篡改输出指示。
在图1A到1C和图2的实施例中所用的反篡改导线分布图60在图3中显示。可以容易认识到，导线分布图60中的导线布置成使得由篡改产生的任何短路或者中断改变其电特征。优选地，该导线分布图每一个都具有一对连接终端62。
现在另外参照图4，它是图2的实施例中采用的保护电路简图，保护电路通过由一个或多个图3所示的反篡改导线分布图所检测到的篡改而启动。
如图4所示，此处由70、72和74所表示的三个导线分布图典型地平行连接到传统篡改检测电路82上，这三个导线分布图分别对应于限定一个反篡改外壳80的基部、外周和覆盖印刷电路板，该传统篡改检测电路82检测在导线分布图以及与它们的连接中的短路或者中断并且响应于检测的短路或中断提供篡改警告输出指示。检测电路82的输出优选作为自毁电路86的输入提供，自毁电路86提供一个电路破坏电输出例如一个相对高的能量脉冲到反篡改外壳80内的数据关键元件45和其它可能的电子电路。检测电路和自毁电路等示例在美国专利US5,998,858中公开，此处将它所公开的内容引入作为参考。
回到图2可以看到，优选地，检测电路82和自毁电路86位于反篡改外壳80内。在图2中也可以看到，优选地，印刷电路板48的导线分布图74的终端通过板48上的一个连接器88相结合，该连接器88连接在印刷电路板40上的一个对应连接器90上。连接器90将导线分布图74连接到检测电路82上。
典型地，印刷电路板46的导线分布图72的终端硬布线到印刷电路板40上的相应导线上，该导线将导线分布图72连接到检测电路82上。
基部印刷电路板40上的导线分布图70的终端通过导线(未示出)直接连接到检测电路82上。
应当认识到，在不同导线分布图和检测电路82之间的连接使得任何印刷电路板相互之间的物理分离将导致作为篡改而被检测到的连接中断。
本领域熟练技术人员将会认识到，本发明并不限于上面所特定显示和描述的内容。本发明的进一步范围包括上面所描述的不同特征的组合和部分组合以及本领域熟练技术人员在阅读前面说明的基础上所能作出的修改和变体，但这些并不包括在现有技术中。

Claims (19)

1.一种电子电路组件包括：
包括电子电路的多个印刷电路板；以及
安装在所述多个印刷电路板中至少一个上与所述电子电路电连接的电子元件；
其中，所述多个印刷电路板中的至少一些限定了一个用于至少一些所述电子元件的反篡改外壳。
2.如权利要求1所述的电子电路组件，其特征在于，所述多个印刷电路板中的至少一些物理地围住至少一些所述电子元件。
3.如权利要求2所述的电子电路组件，其特征在于，所述多个印刷电路板中的所述至少一些包括当篡改时变成短路或者中断的导线分布图。
4.如权利要求3所述的电子电路组件，其特征在于，还包括：
检测电路，检测电路检测导线分布图中的短路或中断、并且响应于检测的短路或中断提供一个篡改警告输出指示；以及
自毁电路，自毁电路提供一个电路破坏电输出到被所述多个印刷电路板所围住的所述电子元件。
5.如权利要求4所述的电子电路组件，其特征在于，所述检测电路和所述自毁电路被所述多个印刷电路板围住。
6.如权利要求4所述的电子电路组件，其特征在于，所述检测电路也检测所述多个印刷电路板相互之间的分离。
7.如权利要求5所述的电子电路组件，其特征在于，所述检测电路也检测所述多个印刷电路板相互之间的分离。
8.如权利要求1所述的电子电路组件，其特征在于，所述电子电路组件形成个人识别号码装置的一部分。
9.如权利要求1所述的电子电路组件，其特征在于，所述电子电路组件形成销售点终端的一部分。
10.如权利要求2所述的电子电路组件，其特征在于，所述电子电路组件形成个人识别号码装置的一部分。
11.如权利要求2所述的电子电路组件，其特征在于，所述电子电路组件形成销售点终端的一部分。
12.如权利要求3所述的电子电路组件，其特征在于，所述电子电路组件形成个人识别号码装置的一部分。
13.如权利要求3所述的电子电路组件，其特征在于，所述电子电路组件形成销售点终端的一部分。
14.如权利要求4所述的电子电路组件，其特征在于，所述电子电路组件形成个人识别号码装置的一部分。
15.如权利要求4所述的电子电路组件，其特征在于，所述电子电路组件形成销售点终端的一部分。
16.如权利要求5所述的电子电路组件，其特征在于，所述电子电路组件形成个人识别号码装置的一部分。
17.如权利要求5所述的电子电路组件，其特征在于，所述电子电路组件形成销售点终端的一部分。
18.如权利要求6所述的电子电路组件，其特征在于，所述电子电路组件形成个人识别号码装置的一部分。
19.如权利要求6所述的电子电路组件，其特征在于，所述电子电路组件形成销售点终端的一部分。
CNB2003101215290A 2002-12-20 2003-12-19 用于电子电路的反篡改外壳 Expired - Lifetime CN100452600C (zh)

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US10/326,726 US6853093B2 (en) 2002-12-20 2002-12-20 Anti-tampering enclosure for electronic circuitry
US10/326,726 2002-12-20

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AT (1) ATE390711T1 (zh)
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IL (1) IL159163A (zh)

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WO2009036610A1 (fr) * 2007-09-21 2009-03-26 Pax Computer Technology (Shenzhen) Co., Ltd. Dispositif de protection de sécurité
WO2009036611A1 (fr) * 2007-09-21 2009-03-26 Pax Computer Technology (Shenzhen) Co., Ltd. Couvercle de protection de sécurité
WO2009036609A1 (en) * 2007-09-21 2009-03-26 Pax Computer Technology (Shenzhen) Co., Ltd. Security protection box
CN101826718A (zh) * 2010-05-14 2010-09-08 深圳市新国都技术股份有限公司 一种数据电路安全保护方法及其结构
CN101834430A (zh) * 2010-05-31 2010-09-15 深圳市新国都技术股份有限公司 具有绑定线安全网的数据电路保护结构
WO2010118678A2 (zh) * 2009-04-18 2010-10-21 深圳市新国都技术股份有限公司 信息存储电路防盗取装置及其方法
CN101253821B (zh) * 2005-06-30 2011-01-26 西门子公司 用于防止敏感电子数据组件受到外部操纵的硬件保护的传感器
CN102024131A (zh) * 2009-09-23 2011-04-20 虹堡科技股份有限公司 非接触式感应装置
CN102324139A (zh) * 2011-03-30 2012-01-18 青岛海信智能商用设备有限公司 具有液晶数据防篡改保护装置的银行卡支付终端设备
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