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How Things Work: Smart Cards Ian McConkey November 2, 2017
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Topics What is a smart card? Benefit over previous technology Types
Features and technology
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Smart Cards: Portable Secured Data
Bank cards Identification (e.g. government) Access control for restricted areas Health care Loyalty systems
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Benefits over Previous Technology
Smart Cards Offer: More Storage Longer lifetime Increased security (hardware and software) Zoom-In on Magnetic Stripe Card
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Memory vs. Processor Cards
Memory Card Architecture Processor Card Architecture
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Contact vs. Contactless Cards
Integrated Contact and Contactless Card Architecture
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Contact Module 10 mm2 (up to 25 mm2)
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Memory Volatile RAM Non-Volatile ROM EEPROM Flash
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Microprocessor and Clock
Originally 8-bit Now, often 32-bit Externally generated clock signal Clock multiplier
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Contactless Card Features
Standard 125 kHz (Inner) and MHz (Outer) Antenna Coils Inductive Coupling
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Summary Plastic card with embedded integrated circuit
Portable secured personal data Different types: memory/processor, contact/contactless Increased security (software and hardware) Prevalent in our everyday lives
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References Rankl, W., & Effing, W. (2010). Smart Card Handbook. Chichester, West Sussex, United Kingdom HowStuffWorks (2017). What is a smart card? Retrieved from Secure Technology Alliance (2017). Smart Card Technology FAQ. Retrieved from CardLogix Corporation (2010). Smart Card Basics. Retrieved from overview.html#bank Secure Technology Alliance (2017). Contactless Payment Resources. Retrieved from resources/?redirect=https%3A%2F%2Fwww.securetechalliance.org%2Factivities-councils-contactless-payments- resources Images:
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