WO2008126071A2 - Adaptateur pour carte mémoire fille offrant des services améliorés - Google Patents

Adaptateur pour carte mémoire fille offrant des services améliorés Download PDF

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Publication number
WO2008126071A2
WO2008126071A2 PCT/IL2008/000394 IL2008000394W WO2008126071A2 WO 2008126071 A2 WO2008126071 A2 WO 2008126071A2 IL 2008000394 W IL2008000394 W IL 2008000394W WO 2008126071 A2 WO2008126071 A2 WO 2008126071A2
Authority
WO
WIPO (PCT)
Prior art keywords
smartcard
sim
adapter
electrical contacts
electrical
Prior art date
Application number
PCT/IL2008/000394
Other languages
English (en)
Other versions
WO2008126071A3 (fr
Inventor
Asaf Greiner
Original Assignee
Aladdin Knowledge Systems 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 Aladdin Knowledge Systems Ltd. filed Critical Aladdin Knowledge Systems Ltd.
Publication of WO2008126071A2 publication Critical patent/WO2008126071A2/fr
Publication of WO2008126071A3 publication Critical patent/WO2008126071A3/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07737—Constructional details, e.g. mounting of circuits in the carrier the record carrier consisting of two or more mechanically separable parts
    • G06K19/07739—Constructional details, e.g. mounting of circuits in the carrier the record carrier consisting of two or more mechanically separable parts comprising a first part capable of functioning as a record carrier on its own and a second part being only functional as a form factor changing part, e.g. SIM cards type ID 0001, removably attached to a regular smart card form factor

Definitions

  • the present invention relates to a smartcard adapter and, more particularly, to a smartcard adapter for providing enhanced services to a host.
  • Smartcards with electrical contacts are often used as self-contained devices in embedded applications within host devices that require high device security.
  • the plug-in SIM card (“Subscriber Identity Module” or “Subscriber Identification Module”
  • SIM card Subscriber Identity Module
  • a smartcard is used for the SIM in order to provide security and tamper-resistance for sensitive subscriber information and other data requiring protection against unauthorized access within the mobile telephone.
  • SIM denotes a device having electrical contacts, as described by prior-art published industry specifications (herein denoted as “specifications”) including, but not limited to: the ISO-IEC 7816- series of publications, the contents of which is incorporated by reference as if set forth fully herein.
  • SIM denotes a device as described by published industry specifications, including, but not limited to: GSM Technical Specification 11.11 and GSM Technical Specification 11.14, the contents of which are incorporated by reference as if set forth fully herein.
  • SIM SIM
  • plug-in SIM as specified in GSM Technical Specification 11.11
  • SIM a special type of SIM
  • the present application does not pertain to devices often referred to as “smartcards” but which lack electrical contacts (e.g., those employing only radio-frequency communication), and the term “smartcard” as used herein does not denote devices lacking electrical contacts.
  • the te ⁇ n "host device” herein denotes a device which contains a smartcard-
  • SIM which communicates with the smartcard-SIM to obtain data resources and services therefrom.
  • Figure 1 shows the physical dimensions of a smartcard 100 and a plug-in SIM 102 according to the specifications, in a top view 115, an edge view 119, and a bottom view 123.
  • a width dimension 107 labeled as A is nominally 85.60 mm
  • a height dimension 109 labeled as B is nominally 53.97 mm
  • a thickness dimension 117 labeled as E is nominally 0.78 mm.
  • a width dimension 111 labeled as C is nominally 25 mm
  • a height dimension 113 labeled as D is nominally 15 mm
  • a thickness dimension 121 labeled as E is nominally 0.78 mm, the same as for a smartcard and an ID-I SIM, (as specified in GSM Technical Specification 11.11).
  • electrical contacts 105 located in an area 105a. Electrical contacts 105 are labeled C1, C2, C3, C4; C5, C6, C7, and C8 as shown in Figure 1. In edge view 119, electrical contacts 105 are shown flush with top surface 101 and top surface 103, as provided by the specifications. On a bottom surface 125 of smartcard 100, and on a bottom surface 129 of SIM 102, there are no pertinent electrical features.
  • Electrical contacts 105 are assigned as follows (as specified in ISO 7816):
  • a smartcard- SIM includes an internal logic unit (not shown in Figure 1) which is electrically- connected to electrical contacts 105 as provided by the specifications, and which furnishes secure data storage and data processing resources and services.
  • an internal logic unit (not shown in Figure 1) which is electrically- connected to electrical contacts 105 as provided by the specifications, and which furnishes secure data storage and data processing resources and services.
  • a typical SIM contains data storage for telephone numbers and can respond to command signals via electrical contacts 105 to furnish a selected telephone number to a mobile telephone host device.
  • the electrical contacts and the internal logic unit of a smartcard-SIM are incorporated into an electrically-insulating carrier body (typically made of a plastic material), which makes up most of the volume and area of the smartcard-SIM.
  • electrically-insulating herein denotes that the carrier body preserves the electrical characteristics of the electrical contacts and the internal logic unit.
  • the carrier body may optionally have electrically- conductive regions which do not interfere with the electrical properties of the contacts and the internal logic unit, and may thus be considered “electrically-insulating".
  • the electrically-insulating carrier body is bounded by top and bottom surfaces and by an outer edge.
  • smartcard 100 has an insulating carrier body having top surface 101, bottom surface 125, and an outer edge 140.
  • Plug-in SIM 102 has an insulating carrier body having top surface 103, bottom surface 129, and an edge 145.
  • an insulating carrier body is referenced in the drawings by the outer edge thereof.
  • smartcard 100 is said to have an insulating carrier body 140
  • plug-in SIM 102 is said to have an insulating carrier body 145. This convention is also observed herein with reference to embodiments of the present invention, as presented below.
  • a smartcard-SIM in an embedded application within a host device provides good security and tamper-resistance for the resources and services provided by the smartcard-SIM, the security of the smartcard-SIM also makes it difficult to modify or enhance the resources and services provided thereby.
  • enhanced resources and services it may be desirable to provide extended memory storage and/or database services; and it may be desirable to provide extended cryptographic services for encryption, decryption, authentication, and/or validation of data.
  • the present invention is of an adapter which fits over and/or attaches to a surface of a smartcard-SIM in a piggyback fashion to provide enhanced resources and/or services in addition to resources and/or services provided by the smartcard- SIM itself.
  • the adapter can be easily installed by the user without any special equipment or knowledge. All of the services and resources of the smartcard-SIM continue to be available, but can be modified and/or enhanced as desired by the adapter. In this manner, the present invention provides for effectively creating a custom smartcard-SIM as required for special purposes and applications.
  • applications of the present invention it may be desirable to increase the phonebook capacity of a SIM used in a mobile telephone, optionally with special database functions; it may be desirable to provide additional cryptographic services that are not provided by the SIM used in a mobile telephone.
  • an adapter for a smartcard having a plurality of smartcard electrical contacts the adapter for providing enhanced resources and services to a host device having host device electrical pins connectable to the smartcard via the smartcard electrical contacts
  • the adapter including: (a) an electrically-insulating carrier body having a top surface and a bottom surface; (b) an internal adapter logic unit within the electrically-insulating carrier body, the internal adapter logic unit operative to provide enhanced resources and services; (c) a plurality of adapter electrical contacts on the top surface, the adapter electrical contacts connected to the internal logic unit; and (d) a plurality of adapter electrical pins on the bottom surface, the electrical pins connected to the internal logic unit; (e) wherein the adapter electrical contacts are configured to connect to the host device electrical pins, and wherein the adapter electrical pins are configured to connect to the smartcard electrical contacts.
  • Figure 1 illustrates the physical dimensions and general contact layout of a prior-art smartcard and a prior-art plug-in SIM.
  • Figure 2 illustrates the physical dimensions and general contact layout of a smartcard adapter according to an embodiment of the present invention.
  • Figure 3 illustrates the physical dimensions and general contact layout of a plug- in SIM adapter according to an embodiment of the present invention.
  • Figure 4 conceptually illustrates a prior-art plug-in SIM as installed in a prior- art host device.
  • Figure 5 conceptually illustrates a SIM adapter according to an embodiment of the present invention as installed in a prior-art host device for use with a prior-art plug-in SIM.
  • Figure 6 is a block diagram conceptually illustrating the logical connection between a prior-art host device and a prior-art SIM.
  • Figure 7 is a block diagram conceptually illustrating the logical connection between a prior-art host device and an adapter according to an embodiment of the present invention for use with a prior-art SIM.
  • Figure 8 is a block diagram conceptually illustrating the logical connection between a prior-art host device and an adapter according to an alternative embodiment of the present invention for use with a prior-art SIM. DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • Figure 2 shows the physical dimensions of a smartcard adapter 200 according to an embodiment of the present invention, in a top view 215, an edge view 219, and a bottom view 223.
  • a width dimension 207 labeled as A is nominally 85.60 mm (the same as for smartcard 100), and a height dimension 209 labeled as B is nominally 53.97 mm (the same as for smartcard 100).
  • a thickness dimension 217 labeled as F is determined as detailed below.
  • a top surface 201 of adapter 200 On a top surface 201 of adapter 200, are electrical contacts 205 located in an area 205a. In edge view 219, electrical contacts 205 are shown flush with top surface 201, in a manner similar to that of smartcard 100 (Figure 1). Electrical contacts 205 are labeled C1, C2, C3, C4, C5, C6, C7, and C8 as shown in Figure 2.
  • Electrical contacts 205 are labeled C1, C2, C3, C4, C5, C6, C7, and C8 as shown in Figure 2.
  • electrical pins 227 On a bottom surface 225 of adapter 200 are electrical pins 227. Electrical contacts 205 are in the same positions relative to adapter 200 and have the same configuration as electrical contacts 105 relative to smartcard 100 ( Figure 1). In contrast to the flush-mounting of electrical contacts 205, electrical pins 227 protrude from bottom surface 225 as seen in edge view 219. Electrical pins 227 are labeled P1, P2, P3, P4, P5, P6, P7, and P8 as shown
  • Alignment lines 231 illustrate the relative alignment of electrical pins 227 with electrical contacts 205, such that if top surface 101 of smartcard 100 ( Figure 1) were aligned with bottom surface 225 of adapter 200, then P1 connects to C1, P2 connects to C2, P3 connects to C3, P4 connects to C4, P5 connects to C5, P6 connects to C6, P7 connects to C7, and P8 connects to C8.
  • Electrical pins 227 are assigned as follows, in correspondence with the assignments of electrical contacts 105 and electrical contacts 205:
  • Figure 3 shows the physical dimensions of a plug-in SIM adapter 302 according to an embodiment of the present invention, in a top view 315, an edge view 319, and a bottom view 323.
  • a width dimension 311 labeled as C is nominally 25 mm (the same as for plug-in SIM 102), and a height dimension 313 labeled as D is nominally 15 mm (the same as for plug-in SIM 102).
  • a thickness dimension 321 labeled as F is determined as detailed below.
  • electrical contacts 305 are shown flush with top surface 303, in a manner similar to that of SIM 102 ( Figure 1).
  • electrical pins 327 On a bottom surface 325 of adapter 302 are electrical pins 327. Electrical contacts 305 are in the same positions relative to adapter 302 and have the same configuration as electrical contacts 105 relative to SIM 1.02 ( Figure 1). In contrast to the flush-mounting of electrical contacts 305, electrical pins 327 protrude from bottom surface 325 as seen in edge view 219. Electrical pins 227 are labeled P1, P2, P3, P4, P5, P6, P7, and P 8 as shown in Figure 2. The foregoing features are contained within an electrically-insulating carrier body 340.
  • Alignment lines 331 illustrate the relative alignment of electrical pins 327 with electrical contacts 305, such that if top surface 103 of SIM 102 ( Figure 1) were aligned with bottom surface 325 of adapter 302, then P1 connects to C1, P2 connects to C2, P3 connects to C3, PA connects to C4, P5 connects to C5, P6 connects to C6, P7 connects to C7, and P8 connects to C8.
  • electrical pins 327 are also according to Table 2 above. It is noted that electrical pins 227 ( Figure 2) and electrical pins 327 (Figure 3) may be implemented in a variety of ways.
  • electrical pins are electrically-conducting springs; in another embodiment, electrical pins are electrically-conducting deformable surfaces.
  • the term "electrical pin” herein denotes any electrically-conducting feature which is reversibly deformable or compressible, and which, when in the deformed or compressed state, exerts an opposing force sufficient to create an electrical connection to an electrically- conducting deforming or compressing element.
  • the electrically- conducting deforming or compressing element for an electrical pin is an electrical contact of a smartcard or SIM. Determining Thickness Dimension F
  • the thickness dimension labeled as F in the accompanying drawings (217 in Figure 2 and 321 in Figure 3) is not necessarily a standard thickness for a smartcard or SIM, and is determined as follows:
  • Figure 4 conceptually illustrates a non-limiting prior-art example of a host device receptacle 401 (shown in cross-section) for SIM 102 (shown in edge view).
  • Receptacle 401 has electrical pins 427 which connect with electrical contacts 105 on top surface 103 of SIM 102.
  • a dimension 421 labeled as G and greater than thickness 121 labeled as E ( Figure 1) is provided for installing SIM 102 such that there is sufficient clearance for insertion.
  • a maximum for thickness dimension is thus specified through the following inequality:
  • receptacle herein denotes a device which holds a smartcard or SIM for purposes of electrically interfacing therewith.
  • Receptacles include, but are not limited to: smartcard-SIM readers; and smartcard-SIM sockets.
  • thickness dimension F is less than the standard thickness of a smartcard or SIM, and is to be made as small (thin) as possible, in order that the combined smartcard / adapter or SIM / adapter thickness is as close as possible to the thickness of 0.78 mm as given in the published specifications, and thereby provide the maximum amount of clearance for installation into a host device receptacle.
  • an interface 405 logically connects the internal logic unit (not shown in Figure 4) of SIM 102 to a host device logic unit 403, and which provides secure data storage, data processing resources, and data processing services thereto.
  • FIG. 5 conceptually illustrates SIM adapter 302 according to an embodiment of the present invention installed within receptacle 401 for use with SIM 102.
  • a region 510 is shown magnified in a view 520. It is seen that SIM adapter 302 is placed so that pins 427 of host device receptacle 401 make contact with electrical contacts 305 of adapter 302, and pins 327 of adapter 302 make contact with electrical contacts 105 of SIM 102. It is also seen that thickness dimension 321 of adapter 302 (thickness dimension F) is such that Inequality (1) is satisfied.
  • FIG. 6 is a conceptual block diagram of a prior-art configuration showing host device logic unit 403 connecting via interface 405 to electrical pins 427, which connect to electrical contacts 105 of SIM 102.
  • host device logic unit 403 connecting via interface 405 to electrical pins 427, which connect to electrical contacts 105 of SIM 102.
  • SIM logic unit 150 Internal to SIM 102 is a SIM logic unit 150 connected to electrical contacts 105 via an interface 155. This is a non-limiting example, because a similar arrangement applies for smartcard 100.
  • FIG 7 is a conceptual block diagram of a configuration according to an embodiment of the present invention, whereby a SIM adaptor 302a is used with SIM 102, such that pins 427 of the host device connect to electrical contacts 305 of adapter 302a, and electrical pins 327 of adapter 302a connect to electrical contacts 105 of SIM 102.
  • An interface 355a connects pins 305 to an adapter logic unit 350a, which provides enhanced or enhanced custom services and resources to host device logic unit 403.
  • An interface 365a connects adapter logic unit 350a to electrical pins 327 for obtaining the services and resources of SIM 102.
  • Adapter logic unit 350a is capable of relaying data from host device logic unit 403 to SIM 102 and data from SIM 102 to host device logic unit 403. This also is a non- limiting example, because a similar arrangement applies for smartcard 100.
  • Figure 8 is a conceptual block diagram of a configuration for a SIM adapter
  • an interface 357b, an adapter logic unit 350b, and an interface 367b do not have to handle power and ground connections to SIM 102.
  • 302a can provide enhanced and enhanced resources and services in a separate session with the host device.
  • a smartcard-SIM adapter is placed atop a corresponding smartcard-SIM to achieve the electrical connections as described herein, and held in position by the pressure of the host device smartcard-SIM receptacle.
  • a smartcard-SIM adapter has a bottom surface (such as: surface 225 in Figure 2 or surface 325 in Figure 3) which is provided with a contact adhesive that adheres to the top surface of a corresponding smartcard or SIM (such as: surface 101 or surface 103, respectively) in a manner that does not interfere with electrical connection to electrical contacts 105.
  • the smartcard-SIM adapter and the smartcard-SIM effectively become a single unit.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

Adaptateur pour carte mémoire, telle qu'une SIM, qui se place sur et se relie optionnellement à la carte mémoire-SIM, offrant des services personnalisés, tels que des services de mémorisation ou des services cryptographiques, au dispositif hôte. Un côté de l'adaptateur possède des contacts électriques dans la même position et la même configuration que la carte mémoire-SIM, faisant ainsi interface avec le dispositif hôte de la même manière que la carte mémoire-SIM. L'autre côté de l'adaptateur possède des broches électriques dans la même position et la même configuration que le dispositif hôte, faisant ainsi interface avec la carte mémoire-SIM. L'adaptateur peut comprendre une logique et des ressources, telles que des capacités de mémoire et des capacités cryptographiques. L'épaisseur de l'adaptateur est telle que la combinaison adaptateur/carte mémoire-SIM se place dans le lecteur de carte mémoire du dispositif hôte, avec l'adaptateur entre l'hôte et la carte mémoire-SIM. Ainsi, l'adaptateur peut offrir des services personnalisés améliorés à l'hôte en plus de l'ensemble des services normalement offerts par la carte mémoire-SIM.
PCT/IL2008/000394 2007-04-12 2008-03-20 Adaptateur pour carte mémoire fille offrant des services améliorés WO2008126071A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91128607P 2007-04-12 2007-04-12
US60/911,286 2007-04-12

Publications (2)

Publication Number Publication Date
WO2008126071A2 true WO2008126071A2 (fr) 2008-10-23
WO2008126071A3 WO2008126071A3 (fr) 2010-02-25

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PCT/IL2008/000394 WO2008126071A2 (fr) 2007-04-12 2008-03-20 Adaptateur pour carte mémoire fille offrant des services améliorés

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9848813B2 (en) 2012-08-14 2017-12-26 Volvo Lastvagnar Ab Method for determining the operational state of a driver

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6547603B1 (en) * 2001-11-07 2003-04-15 Hon Hai Precision Ind. Co., Ltd. Adapter for electrically connecting smart card to motherboard

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6547603B1 (en) * 2001-11-07 2003-04-15 Hon Hai Precision Ind. Co., Ltd. Adapter for electrically connecting smart card to motherboard

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9848813B2 (en) 2012-08-14 2017-12-26 Volvo Lastvagnar Ab Method for determining the operational state of a driver

Also Published As

Publication number Publication date
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