Smart%20Cards

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Smart Cards by Mahadev Karadigudda
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Introduction How smart cards assist in
enhancing security Security
vulnerabilities Conclusion
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Smart Card Credit card sized plastic card
with a chip embedded on it. Invented by
German inventors Jurgen Dethloff and Helmut
Grotrup. Tamper resistance. Deployed in
access control in banking, wireless
communications etc..
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Contact cards and Contactless cards.
Memory based cards and microprocessor based
cards. T0-T1 cards and T0-T15 protocols.
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Smart Card architecture
EEPROM
ROM
PROCESSOR
RAM
I/O
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Security Access Control
Authentication Integrity Trusted
Communication.
Application FileA Application FileB PIN--A PIN--B
Processor
RAM
ROM(OS)
Smart Card Software Architecture
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Security Vulnerabilities Differential
power analysis Attacks on tamper
resistance High frequency clock glitch
Trapping high voltages Software attacks
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Conclusion Portable and reliable data
storage Security vulnerabilities
Prevention Smart Cards, part of a
security infrastructure
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Q A