Unformatted text preview:

     University of North Carolina at CharlotteECGR-6185 ADVANCED EMBEDDED SYSTEMSSravanthi ChalasaniSMART CARDSSravanthi ChalasaniOverview§Introduction §History of smart cards§Types of smart cards§Categories of smart cards§Smart Card Standards§SLE4442 EEPROM Chip§Applications of Smart cards§Future Aspects§ConclusionSravanthi ChalasaniWhat is a Smart Card?§ Smart Card is a small plastic intelligent token embedded with an IC chip that makes it ‘SMART’.§ Smart Cards provide computational capability along with memory capacity.§ Smart Cards can be used with a Smart-Card Reader attachment to a personal computer to authenticate a user.Ref:10Sravanthi ChalasaniHistory of Smart CardsnSmart Card has its origin in 1970s by inventors from Germany, Japan and France.nUntil mid 80s most of the work on Smart Cards was at the research and development level.nFirst mass use was for payment in French payphones.nThe current world population of Smart Cards is nearly 3 billion.nThe manufacturers of Smart Cards are Gemplus, IBM, Siemens, Telesec and many more.Sravanthi ChalasaniWhat is SMART about the Smart Card ??nSmart Cards are capable of not just storing data but also have processing power.nThey have larger storage capacity when compared to magnetic swipe cards.nThe data stored can be protected against unauthorized access and tampering.nThey are appropriate for secure and convenient data storage.nSmart cards have the property of multifunctionality. Sravanthi ChalasaniTypes of Smart CardsBased on the way the smart card interacts with the Reader, smart cardsare of two typesContact Smart Cards: These require insertion into the Card reader.Contact less Smart Cards: These require close proximity of thereader.Sravanthi ChalasaniContinued..§ the contact smart card consists of small contact plate on the face, which is ½’’ in Diameter.§ The transmission of data takes place when this contact plate comes in contact with the connector of the reader.§ This card consists of an IC Chip and an antenna coil embedded into it.§ These cards are mainly used whentransactions must be processed quickly.Sravanthi ChalasaniCategories of Smart CardsBased on the type of IC chip embedded on the Smart Card,they are categorized into three types §IC Micro Processor Cards§IC Memory Cards§Optical Memory CardsSravanthi ChalasaniSmart Card StandardsISO7816 is the international standard for Smart Cards that use electrical contacts.With this standard, Smart Cards could communicate with the Reader using the same protocol.The ISO7816 standards are separated in 3 different parts. nISO7816-1: defines the physical characteristics of the card.nISO7816-2: defines the dimension and contact position of the card.nISO7816-3: defines the electrical signals and transmission protocols.Sravanthi ChalasaniContinued..Operating procedure for contact smart cards isnConnection and activation of the contacts nreset of the cardnanswer to reset by the cardninformation exchangendeactivation of the contactsSravanthi ChalasaniSLE4442Intelligent 256 Byte EEPROM with Write Protect Functionand Programmable Security Code (PSC)FEATURES:§Byte wise addressing§32 bit protection memory§ISO standard compliant§Synchronous Transmission§3-Byte PSCSravanthi ChalasaniPin Configuration   !"#$Electronic modules embeddedin smart cards have contacts by which messages can beexchanged.Sravanthi ChalasaniMemory OverviewSravanthi ChalasaniTransmission ProtocolThe Transmission Protocol is a two-wire link protocol between the IFD and IC.The 4 modes are:Reset and Answer-to-Reset (ATR).Command Mode.Outgoing data Mode.Processing Mode.Sravanthi ChalasaniReset and ATRSravanthi ChalasaniOperating ModeSravanthi ChalasaniCommand FormatSravanthi ChalasaniProgrammable Security CodenPSC is 3-bytes of Reference data used along with 1-byte of EC.!  %$$&%!  !  'Sravanthi ChalasaniVerification ProcedureRef:6Sravanthi ChalasaniApplications of Smart Cards§In Banks: They are used as credit/debit bank cards§Medical applications: they can be used as Health insurance card or Medical File Access Card.§In Transportation Services: for urban parking, Airline Application and Electronic Toll Collection.§In Telecommunications: The smart cards contain the phone number on the network, billing information and call numbers.§used as identification cardsSravanthi ChalasaniFuture AspectsnSoon it will be possible to access the data in Smart cards by the use of Biometrics.n Smart card Readers can be built into future computers or peripherals which will enable the users to pay for goods purchased on the internet.n In the near future, the multifunctional smart card will replace the traditional magnetic swipe card.Smart Card is not only a data store, but also a programmable, portable, tamper resistant memory storage.Sravanthi ChalasaniReferences1.http://www.ewh.ieee.org/r10/bombay/news5/SmartCards.htm2.http://www.smartcardbasics.com/overview.html3.http://www.smartcardsupply.com/Content/Cards/7816standard.htm4.http://www.mobilein.com/smart_cards.htm5.http://www.cardwerk.com/smartcards/smartcard_technology.aspx6.Data sheet of SLE4442 chip7.http://www.smartcardindia.org8.Smart Card Hand book9.www.hitachi.co.jp/.../ service/2004034_12381.html10.www.itsdocs.fhwa.dot.gov/.../ REPTS_TE/13769.htmlSravanthi Chalasani JSravanthi Chalasani   


View Full Document

UNCC ECGR 6185 - Smart Cards

Documents in this Course
Zigbee

Zigbee

33 pages

Load more
Download Smart Cards
Our administrator received your request to download this document. We will send you the file to your email shortly.
Loading Unlocking...
Login

Join to view Smart Cards and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Smart Cards 2 2 and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?