What is smart card on tam

What is Smart Card 1
Taiwan Applied Module Corp.
What is
Smart Card ??
洪崇倍 / Otto Hung

What is a smart card
 A credit card size plastic with a single IC chip on
board and conforms with ISO-7816 and ISO 14443
 comprises of 3 parts
 contact disc
 chip
 plastic body with cavity

Application
Source: http://www.smartcard.bull.com/

Categories of Smart Cards
 Memory Cards
 Containing a memory chip (several K bits) with
hardwired logic,
 mostly used as prepaid cards,
 low cost.
 Microprocessor Cards (our focus for this
topic)
 like small portable computers (without keyboard
or monitor screen),
 increased security capabilities,
 can integrate several applications.

Categories of Smart Cards (cont.)
 Contact Cards
 must be inserted into a card reader or terminal (Card
Acceptance Device),
 more commonly used
 Contact-less Cards
 Can function when placed close enough to the
terminal,
 Ideal for fast transactions,
 not easily worn out,
 can be of different physical sizes,
 transmitted data can be intercepted
 Dual-Interface Cards

EEPROM :EEPROM :
100 ~ 4 KB100 ~ 4 KB BitsBits
DecodeDecode
LOGICLOGIC
I/OI/O
EEPROMEEPROM
POWERPOWER
(Vcc)(Vcc)
CLOCKCLOCK
RESETRESET
GROUNDGROUND
(Vss)(Vss)
I/OI/O
Architecture of Memory Card
 Hard Wired Logic
 EEPROM Only
 Synchronous Prot.
 Non Standardized

Architecture of CPU Card
 Asynchronous card
 (slow data transfer)
 8 –32 bit µP
 4 – 20 Mhz Clock
 High Security
 Medium large Size
 (10 to 32 mm²)
RAM : Hundreds Bytes
(Working Memory)
ROM : 6 ~ 96 KB
(Card Operating System)
EEPROM : 1 ~ 64 KB
(Application Memory)
µPµP
LOGICLOGIC
RAMRAM
EEPROMEEPROM
ROMROM
POWER
(Vcc)
CLOCK
RESET
GROUND
(Vss)
I/O
RFU
(Vpp)

CPU ROM EEPROM WDT RNG
串列
界面
RF
界面
RSA
加密器
DES
加密器
安全
保護
線路
Bus Access Control
RAM
PLL
Hardware Block Diagram

Standards and Specifications
 Interface
 Contact, ISO 7816
 Contact-Less, ISO 14443
 (U) SIM card-related specifications
 ETSI GSM 11 series,
 3GPP 03 Series
 Payment systems
 EMV 2000, etc..
 Card Acceptance Device
 PC/SC for interoperability between smart cards and
PCs
 OpenCard Framework (OCF) similar to PC/SC,
implemented in Java

Smart Card
Communication Model
 Commands and Response messages
are contained in APDU Command,
Application Protocol Data Unit
(C_APDU and R_APDU).
Command APDU
Response APDU
Processing

Classify of APDU Command
 Case 1, no command/no response data
 Case 2, no command data
 Case 3, no response data
 Case 4
Header sw
Header Le Data sw
Header Lc Data sw
Header Lc Data Le Data sw

Transmit of OSI-Reference
Physical
Data Link
Transport
Application
Physical
Data Link
Transport
Application
ICC CAD
APDU
ISO 7816,
ISO 14443
TPDU
T=0, T=1 and T-CL
Contact
Contact-Less

TPDU Format
 Data structure exchanged by using TPDU,
Transaction Protocol Data Unit
 T=0, byte oriented
 T=1, Block oriented
 T=CL
P3 DataP2P1INSCLA
Prologue Information Epilogue
NAD PCB LEN Information field EDC/CRC
1 1 1 0 ~ 254 1 or 2
Prologue Information Epilogue
PCB [CID] [NAD] Information field CRC
1 1 1 0 ~ 254 2

T=0 TPDU Command
CLA INS P1 P2 Lin
PB
Data-In
sw1 sw2
READER
CARD
CLA INS P1 P2 Lin
PB Data-Out sw1 sw2
READER
CARD
 ISO-IN
 ISO-OUT

T=1 TPDU Command
 Supervisor Block
 Ready Block
 Information Block
 ISO-IN
 ISO-OUT
 ISO-IN&OUT
CLA INS P1 P2 Le sw2Data-Out sw1
CLA INS P1 P2 Lc Data-In sw2sw1
CLA INS P1 P2 Lc Data-In Le sw2sw1Data-Out

About Smart Card Software
 Smart card system
Host (Terminal )system + Card
system
 Smart card operating systems are typically file
system-centric (based on ISO 7816-4)
 Most conventional card applications involve just
file manipulations (select, deselect, read, write)
 Software development involves
(1) operating system providers,
(2) card terminal vendors,
(3) application developers, and
(4) card issuers

Chip Card File System
 Most smart card operating systems
are typically File System-Centric
 based on ISO 7816-4
MF
Level #0
DF
Level #1
DF
Level #1
DF
Level #2
DF
Level #2
EF
EF
EF
EF
EFEF

File Structures (1/3)
Header
System Information
Body
Application Data
Sequence Of Byte
Header
System Information
Body
Record #1
Record #2
Record #3
Last Record #N
Rest of records
TRANSPARENT FILE LINEAR FIXED FILE

LINEAR VARIABLE FILE
Header
System Information
Record #1 Record #2
Record #P
R
e
c
o
r
d
#
3
R
e
c
o
r
d
L
a
s
t
#
N
Rest of the records
Body
Header
System Information
Body
Record #1
Record #2
Record #3
Last Record #N
Rest of records
CYCLIC FILE

BER-TLV FILE
Header
System Information
Data #1Data #1
Body
Data #2Data #2
Data #3Data #3
Rest of data..Rest of data..
Data #NData #N
Tag
Tag
Length
Length
Value
Value

Card Operating Systems (COS)
 Traditional O.S.
 only one application or special
application
 Open system O.S.
 for multi application or non-specific
application
 Java Card Operating System
 MultiOS Card Operating System
 Smart Card for Windows
 Global Open Platform

Multi-Application Cards
 New data and new command can be
added!!
 Base on “Open OS”
Microprocessor
Virtual Machine
API
EEPROM
Data Code
Stored value applet
Data Code
loyal applet

Taiwan Applied Module Corp.Source: http://www.smartcard.bull.com/
Realizing the Multiple-Application
Vision

Benefits of Open OS
 Interoperability
 Secure loading of applets into card, even
after issuance
 An existing field application can be ported
onto a multi-application card, without
changing the terminal software
 Firewalls between applets  confidentiality
of data
 Applet develop in high level language (java,
C, …)  very quick time to market

CPU + crypto
Operating System
R
O
M
Operating System
Application
A
Application
B
file
structure
EE
PROM
EE
PROM
File
structure
Java Interpreter
ROM
ROM
Java Card API
Virtual
Machine
EE
PROM
EE
PROM
Hardware
independant
Hardware
dependant
Java Card Operate System

UICC Card Application Platform
SIM
SIM Application Toolkit
(SAT)
Banking Location Browser
SIM-
WIM
 The UICC -
the multi-application platform
 separation of layers and
applications
 logical channels to run
applications in parallel
 The SIM -
a "mono-application" card
 SIM according to GSM
11.11
 applications based on SIM
Application Toolkit
 WIM as exception
(own command set and
triggered by WAP browser)
UICC
Others
EMV
USIM SIM
Electronic
Purse
Phonebook
(U)SAT
GSM Purse
eHealth

Global Open Platform Card
Architecture
Java Card
WfSC
VM & API
Proprietary Card Vendor
OS
WfSC
O.S.
Open Platform
API
Open platform
Card Manager
Visa
Cash
Visa
Smart
Credit
Visa
Smart
Debit
E-Comm Loyalty Loyalty
OR
Issuer Choice of Applications

Definition of Card’s Life Cycle
 Blank Cards
 Pre-Personalized
Cards
 Personalized Cards
 Dead Cards
Card
O.S.
FILE STRUCTURE
USER DATA

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What is smart card on tam

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