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Smart Cards Application and Security Pooya Karimian Topics Introduction What is a Smart Card? Smart Card Applications Security and Privacy New Technologies Introduction Digital Money and E-Commerce From cash-oriented to cash-less society Security Issues Key Exchange
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Smart CardsApplication and Security Pooya Karimian
Topics • Introduction • What is a Smart Card? • Smart Card Applications • Security and Privacy • New Technologies
Introduction • Digital Money and E-Commerce • From cash-oriented to cash-less society • Security Issues • Key Exchange
What is a Smart Card? • Smart Card : • It’s small • It stores information • It’s secure • It’s cheap : 0.2$ to 15$
Smart CardConnection • Contact • Visacard / Mastercard • Contactless : • Radio Frequency ID Cards
Smart Card Applications • Stored value for a specific application photocopying, telephones, … • Electronic purse, Digital money • Internet Commerce • Pay-TV • Identification • Portable data files • Security • GSM cellular phones
Securityand Confidentiality • Smart Card: • Can be upgraded • Has a unique serial number • Store keys safely in their memory • Execute ciphering algorithms • Active authentication • Transfer Securely to host
Securityand Confidentiality • Smart Card: • Using digital signatures • Execute ciphering algorithms • Active authentication • Transfer Securely to host
Securityand Confidentiality • Transfer Methods : • No encryption • Sending a PIN • Encrypting PIN • Diffie Hellman / RSA Key Exchange • Encrypted Key Exchange (EKE)
SecurityAuthentication • Authentication • Host by the card • Card by the host • User by the card • Host or Card Reader
Privacy Control over the information about ourselves • Freedom • Anonymity : Blind Signatures • Security
New Technologies • Multos : the multi-application operating system for smart cards • Java Cards
Java Smart Card • Platform Independent • Multi-Application Capable • Post-Issuance of Applications • Flexible • Compatible with Existing Smart Card Standards
Referencesand related documents • Links : • Visa Card : http://www.visa.com • Master Card : http://www.mastercard.com • Multos Cards : http://www.multos.com • JavaCard : http://java.sun.com/products/javacard/
Electronic Purse • General Purpose • One card for all applications • Anonymous