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RFID with Bio-Smart Card in Linux |
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Source: Suhas Desai - Posted by Benjamin D. Thomas
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In this paper, we describe the integration of
fingerprint template and RF smart card for clustered
network, which is designed on Linux platform and Open
source technology to obtain biometrics security. Combination
of smart card and biometrics has achieved in two step
authentication where smart card authentication is based on a
Personal Identification Number (PIN) and the card holder is
authenticated using the biometrics template stored in the smart
card that is based on the fingerprint verification. The
fingerprint verification has to be executed on central host
server for security purposes. Protocol designed allows
controlling entire parameters of smart security controller like
PIN options, Reader delay, real-time clock, alarm option and
cardholder access conditions.
The RF Smart Card and card reader/writer were
developed to handle payment transaction for public
transportation systems. These contact less cards have
security features, such as encrypted RF transmission mutual
authentication, and security keys. The RF smart card has
up to 16 separate sectors, which can be configured as purses
or for general data storage. The first sector is typically used
as a directory for the rest of the card, leaving 15 segments
available for data or purses.
Each sector has two keys, called the A and B keys,
allowing different access privileges to that sector. These key
pairs can be designated as read and read/write, or decrement
and increment/decrement .For example this would allow
turnstile readers with the A key to only deduct value from a
card sector, while smart card readers with the B keys could
either add or subtract value .The card also has a 32-bit
unique random number, which is permanently encoded into
each chip by the chip manufacturer.
Public key infrastructure (PKI) based systems are used to
construct a secure system that can achieve secure access
conditions. They are consequently being used to carry keys
and store personal information in applications such student
identification systems.
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About the Author:
Suhas A Desai
- Undergraduate Computer Engineering Student,Walchand CE,Sangli,INDIA.
- Previous Publications in area "Linux Based Biometrics Security with Smart Card" are include:ISA EXPO 2004,InTech Journal,TX,USA,IEEE Real Time and Embedded System symposium 2005,CA,USA.,e-Smart 2005,France.
- Writes security newsletters and features for many security sites.
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