ISO/IEC 7816-4:2005

Identification cards — Integrated circuit cards — Part 4: Organization, security and commands for interchange

ISO/IEC 7816-4:2005 specifies: contents of command-response pairs exchanged at the interface, means of retrieval of data elements and data objects in the card, structures and contents of historical bytes to describe operating characteristics of the card, structures for applications and data in the card, as seen at the interface when processing commands, access methods to files and data in the card, a security architecture defining access rights to files and data in the card, means and mechanisms for identifying and addressing applications in the card, methods for secure messaging, access methods to the algorithms processed by the card. It does not describe these algorithms. It does not cover the internal implementation within the card or the outside world. ISO/IEC 7816-4:2005 is independent from the physical interface technology. It applies to cards accessed by one or more of the following methods: contacts, close coupling, and radio frequency.

Cartes d'identification — Cartes à circuit intégré — Partie 4: Organisation, sécurité et commandes pour les échanges

Identifikacijski dokumenti – Kartice z integriranim vezjem – 4. del: Organizacija, varovanje in ukazi za izmenjavo

General Information

• Status: Withdrawn
• Publication Date: 04-Jan-2005
• Withdrawal Date: 04-Jan-2005
• ICS: 35.240.15 - Identification cards. Chip cards. Biometrics
• Technical Committee: ISO/IEC JTC 1/SC 17 - Cards and security devices for personal identification
• Drafting Committee: ISO/IEC JTC 1/SC 17/WG 4 - Generic interfaces and protocols for security devices
• Current Stage: 9599 - Withdrawal of International Standard
• Completion Date: 04-Apr-2013
• Ref Project: SIST ISO/IEC 7816-4:2005 - Identification cards -- Integrated circuit cards -- Part 4: Organization, security and commands for interchange

Relations

• Parent: ISO/IEC 7816-4:2005/Amd 1:2008 - Identification cards — Integrated circuit cards — Part 4: Organization, security and commands for interchange — Amendment 1: Record activation and deactivation
• Effective Date: 15-Apr-2008
• Revised: ISO/IEC 7816-4:2013 - Identification cards — Integrated circuit cards — Part 4: Organization, security and commands for interchange
• Effective Date: 06-Jun-2009
• Revises: ISO/IEC 7816-6:1996 - Identification cards — Integrated circuit(s) cards with contacts — Part 6: Interindustry data elements
• Effective Date: 15-Apr-2008
• Revises: ISO/IEC 7816-5:1994/Amd 1:1996 - Identification cards — Integrated circuit(s) cards with contacts — Part 5: Numbering system and registration procedure for application identifiers — Amendment 1
• Effective Date: 15-Apr-2008
• Revises: ISO/IEC 7816-6:1996/Cor 1:1998 - Identification cards — Integrated circuit(s) cards with contacts — Part 6: Interindustry data elements — Technical Corrigendum 1
• Effective Date: 15-Apr-2008
• Revises: ISO/IEC 7816-8:1999 - Identification cards — Integrated circuit(s) cards with contacts — Part 8: Security related interindustry commands
• Effective Date: 15-Apr-2008
• Revises: ISO/IEC 7816-9:2000 - Identification cards — Integrated circuit(s) cards with contacts — Part 9: Additional interindustry commands and security attributes
• Effective Date: 15-Apr-2008
• Revises: ISO/IEC 7816-6:1996/Amd 1:2000 - Identification cards — Integrated circuit(s) cards with contacts — Part 6: Interindustry data elements — Amendment 1: IC manufacturer registration
• Effective Date: 15-Apr-2008
• Revises: ISO/IEC 7816-4:1995/Amd 1:1997 - Information technology — Identification cards — Integrated circuit(s) cards with contacts — Part 4: Interindustry commands for interchange — Amendment 1: secure messaging on the structures of APDU messages
• Effective Date: 15-Apr-2008
• Revises: ISO/IEC 7816-4:1995 - Information technology — Identification cards — Integrated circuit(s) cards with contacts — Part 4: Interindustry commands for interchange
• Effective Date: 15-Apr-2008
• Amended By: ISO/IEC 7816-4:2005/Amd 1:2008 - Identification cards — Integrated circuit cards — Part 4: Organization, security and commands for interchange — Amendment 1: Record activation and deactivation
• Effective Date: 06-Jun-2022
• Revises: ISO/IEC 7816-5:1994 - Identification cards — Integrated circuit(s) cards with contacts — Part 5: Numbering system and registration procedure for application identifiers
• Effective Date: 15-Apr-2008

Standards Content (Sample)

INTERNATIONAL ISO/IEC
STANDARD 7816-4
Second edition
2005-01-15


Identification cards — Integrated circuit
cards —
Part 4:
Organization, security and commands for
interchange
Cartes d'identification — Cartes à circuit intégré —
Partie 4: Organisation, sécurité et commandes pour les échanges




Reference number
ISO/IEC 7816-4:2005(E)
©
ISO/IEC 2005

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ISO/IEC 7816-4:2005(E)
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©  ISO/IEC 2005
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ii © ISO/IEC 2005 – All rights reserved

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ISO/IEC 7816-4:2005(E)
Contents Page
Foreword. iv
Introduction . v
1 Scope. 1
2 Normative references . 1
3 Terms and definitions. 2
4 Symbols and abbreviated terms. 5
5 Organization for interchange. 7
5.1 Command-response pairs. 7
5.2 Data objects. 13
5.3 Structures for applications and data . 17
5.4 Security architecture . 22
6 Secure messaging . 28
6.1 SM fields and SM data objects . 28
6.2 Basic SM data objects . 29
6.3 Auxiliary SM data objects. 31
6.4 SM impact on command-response pairs. 35
7 Commands for interchange . 36
7.1 Selection . 36
7.2 Data unit handling. 39
7.3 Record handling. 41
7.4 Data object handling. 47
7.5 Basic security handling. 50
7.6 Transmission handling. 57
8 Application-independent card services. 57
8.1 Card identification. 58
8.2 Application identification and selection. 61
8.3 Selection by path . 64
8.4 Data retrieval . 65
8.5 Data element retrieval. 65
8.6 Card-originated byte strings. 67
Annex A (informative) Examples of object identifiers and tag allocation schemes. 69
Annex B (informative) Examples of secure messaging. 71
Annex C (informative) Examples of AUTHENTICATE functions by GENERAL AUTHENTICATE commands. 78
Annex D (informative) Application identifiers using issuer identification numbers . 82
Bibliography . 83

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ISO/IEC 7816-4:2005(E)
Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are members of
ISO or IEC participate in the development of International Standards through technical committees
established by the respective organization to deal with particular fields of technical activity. ISO and IEC
technical committees collaborate in fields of mutual interest. Other international organizations, governmental
and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information
technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of the joint technical committee is to prepare International Standards. Draft International
Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as
an International Standard requires approval by at least 75 % of the national bodies casting a vote.
ISO/IEC 7816-4 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology,
Subcommittee SC 17, Cards and personal identification.
This second edition cancels and replaces the first edition (ISO/IEC 7816-4:1995), and incorporates material
extracted from ISO/IEC 7816-5:1994, ISO/IEC 7816-6:1996, ISO/IEC 7816-8:1999 and ISO/IEC 7816-9:2000.
It also incorporates the Amendment ISO/IEC 7816-4:1995/Amd.1:1997.
In addition, material has been extracted from the first edition and moved to the third edition of ISO/IEC 7816-3,
so that the transmission protocols T=0 and T=1 are now present only in ISO/IEC 7816-3, no longer in
ISO/IEC 7816-4.
ISO/IEC 7816 consists of the following parts, under the general title Identification cards — Integrated circuit
cards:
 Part 1: Cards with contacts: Physical characteristics
 Part 2: Cards with contacts: Dimensions and location of the contacts
 Part 3: Cards with contacts: Electrical interface and transmission protocols
 Part 4: Organization, security and commands for interchange
 Part 5: Registration of application providers
 Part 6: Interindustry data elements for interchange
 Part 7: Interindustry commands for Structured Card Query Language (SCQL)
 Part 8: Commands for security operations
 Part 9: Commands for card management
 Part 10: Cards with contacts: Electronic signals and answer to reset for synchronous cards
 Part 11: Personal verification through biometric methods
 Part 12: Cards with contacts: USB electrical interface and operating procedures
 Part 15: Cryptographic information application

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ISO/IEC 7816-4:2005(E)
Introduction
ISO/IEC 7816 is a series of standards specifying integrated circuit cards and the use of such cards for
interchange. These cards are identification cards intended for information exchange negotiated between the
outside world and the integrated circuit in the card. As a result of an information exchange, the card delivers
information (computation result, stored data), and / or modifies its content (data storage, event memorization).
 Five parts are specific to cards with galvanic contacts and three of them specify electrical interfaces.
• ISO/IEC 7816-1 specifies physical characteristics for cards with contacts.
• ISO/IEC 7816-2 specifies dimensions and location of the contacts.
• ISO/IEC 7816-3 specifies electrical interface and transmission protocols for asynchronous cards.
• ISO/IEC 7816-10 specifies electrical interface and answer to reset for synchronous cards.
• ISO/IEC 7816-12 specifies electrical interface and operating procedures for USB cards.
 All the other parts are independent from the physical interface technology. They apply to cards accessed
by contacts and / or by radio frequency.
• ISO/IEC 7816-4 specifies organization, security and commands for interchange.
• ISO/IEC 7816-5 specifies registration of application providers.
• ISO/IEC 7816-6 specifies interindustry data elements for interchange.
• ISO/IEC 7816-7 specifies commands for structured card query language.
• ISO/IEC 7816-8 specifies commands for security operations.
• ISO/IEC 7816-9 specifies commands for card management.
• ISO/IEC 7816-11 specifies personal verification through biometric methods.
• ISO/IEC 7816-15 specifies cryptographic information application.
[13] [15] [17]
ISO/IEC 10536 specifies access by close coupling. ISO/IEC 14443 and ISO/IEC 15693 specify
access by radio frequency. Such cards are also known as contactless cards.
ISO and IEC draw attention to the fact that it is claimed that compliance with this document may involve the
use of the following patents and the foreign counterparts.
JPN 2033906, Portable electronic device
JPN 2557838, Integrated circuit card
JPN 2537199, Integrated circuit card
JPN 2856393, Portable electronic device
JPN 2137026, Portable electronic device
JPN 2831660, Portable electronic device
DE 198 55 596, Portable microprocessor-assisted data carrier that can be used with or without contacts
ISO and IEC take no position concerning the evidence, validity and scope of these patent rights.
The holders of these patent rights have assured ISO and IEC that they are willing to negotiate licences under
reasonable and non-discriminatory terms and conditions with applications throughout the world. In this respect,
© ISO/IEC 2005 — All rights reserved v

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ISO/IEC 7816-4:2005(E)
the statements of the holders of these patent rights are registered with ISO and IEC. Information may be
obtained from:
Contact Patent details
Toshiba Corporation JPN 2033906 (priority date: 1986-02-18; publication date: 1996-03-19),
Intellectual Property Division
FRA 8614996, KOR 44664
1-1, Shibaura 1-Chome
JPN 2557838 (priority date: 1986-02-18; publication date: 1996-09-05),
Minato-ku, Tokyo
FRA 8700343, GER 3700504, KOR 42243, USA 4841131
105-8001, Japan
JPN 2537199 (priority date: 1986-06-20; publication date: 1996-07-08),
FRA 8708646, FRA 8717770, USA 4833595, USA 4901276
JPN 2856393 (priority date: 1987-02-17; publication date: 1998-11-27),
FRA 8801887, KOR 43929, USA 4847803
JPN 2137026 (priority date: 1987-02-20; publication date: 1998-06-26),
JPN 3054119, FRA 8802046, KOR 44393, USA 4891506
JPN 2831660 (priority date: 1988-08-26; publication date: 1998-09-25),
FRA 8911249, KOR 106290, USA 4988855
Orga Kartensysteme Gmbh DE 198 55 596 (priority date: 1998-12-02; publication date: 2000-06-29)
Am Hoppenhof 33
Applications pending in Europe, Russia, Japan, China, USA, Brazil, Australia
D-33104 Paderborn
Germany



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INTERNATIONAL STANDARD ISO/IEC 7816-4:2005(E)

Identification cards — Integrated circuit cards —
Part 4:
Organization, security and commands for interchange
1 Scope
This part of ISO/IEC 7816 specifies
 contents of command-response pairs exchanged at the interface,
 means of retrieval of data elements and data objects in the card,
 structures and contents of historical bytes to describe operating characteristics of the card,
 structures for applications and data in the card, as seen at the interface when processing commands,
 access methods to files and data in the card,
 a security architecture defining access rights to files and data in the card,
 means and mechanisms for identifying and addressing applications in the card,
 methods for secure messaging,
 access methods to the algorithms processed by the card. It does not describe these algorithms.
It does not cover the internal implementation within the card or the outside world.
This part of ISO/IEC 7816 is independent from the physical interface technology. It applies to cards accessed
by one or more of the following methods: contacts, close coupling and radio frequency.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated refer-
ences, only the edition cited applies. For undated references, the latest edition of the referenced document
(including any amendments) applies.
ISO/IEC 7816-3, Identification cards — Integrated circuit cards — Part 3: Cards with contacts: Electrical
interface and transmission protocols
ISO/IEC 7816-6, Identification cards — Integrated circuit cards — Part 6: Interindustry data elements for
interchange
ISO/IEC 8825-1:2002, Information technology — ASN.1 encoding rules: Specification of Basic Encoding
Rules (BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER)
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ISO/IEC 7816-4:2005(E)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
access rule
data element containing an access mode referring to an action and security conditions to fulfil before acting
3.2
Answer-to-Reset file
optional EF indicating operating characteristics of the card
3.3
application
structures, data elements and program modules needed for performing a specific functionality
3.4
application DF
structure hosting an application in a card
3.5
application identifier
data element (up to sixteen bytes) that identifies an application
3.6
application label
data element for use at the man-machine interface
3.7
application provider
entity providing the components that make up an application in the card
3.8
application template
set of application-relevant data objects including one application identifier data object
3.9
asymmetric cryptographic technique
cryptographic technique that uses two related operations: a public operation defined by public numbers or by
a public key and a private operation defined by private numbers or by a private key (the two operations have
the property that, given the public operation, it is computationally infeasible to derive the private operation)
3.10
certificate
digital signature binding a particular person or object and its associated public key (the entity issuing the
certificate also acts as tag allocation authority with respect to the data elements in the certificate)
3.11
command-response pair
set of two messages at the interface: a command APDU followed by a response APDU in the opposite
direction
3.12
data element
item of information seen at the interface for which are specified a name, a description of logical content, a
format and a coding
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ISO/IEC 7816-4:2005(E)
3.13
data object
information seen at the interface consisting of the concatenation of a mandatory tag field, a mandatory length
field and a conditional value field
3.14
data unit
the smallest set of bits that can be unambiguously referenced within an EF supporting data units
3.15
dedicated file
structure containing file control information and, optionally, memory available for allocation
3.16
DF name
data element (up to sixteen bytes) that uniquely identifies a DF in the card
3.17
digital signature
data appended to, or cryptographic transformation of, a data string that proves the origin and the integrity of
the data string and protects against forgery, e.g., by the recipient of the data string
3.18
directory file
optional EF containing a list of applications supported by the card and optional related data elements
3.19
elementary file
set of data units or records or data objects sharing the same file identifier and the same security attribute(s)
3.20
file
structure for application and / or data in the card, as seen at the interface when processing commands
3.21
file identifier
data element (two bytes) used to address a file
3.22
header list
concatenation of pairs of tag field and length field without delimitation
3.23
identification card
card identifying its holder and issuer, which may carry data required as input for the intended use of the card
and for transactions based thereon
[2]
[ISO/IEC 7810 ]
3.24
internal elementary file
EF for storing data interpreted by the card
3.25
key
sequence of symbols controlling a cryptographic operation (e.g., encipherment, decipherment, a private or a
public operation in a dynamic authentication, signature production, signature verification)
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ISO/IEC 7816-4:2005(E)
3.26
master file
unique DF representing the root in a card using a hierarchy of DFs
3.27
offset
number sequentially referencing a data unit in an EF supporting data units, or a byte in a record
3.28
parent file
DF immediately preceding a given file within a hierarchy of DFs
3.29
password
data that may be required by the application to be presented to the card by its user for authentication purpose
3.30
path
concatenation of file identifiers without delimitation
3.31
private key
that key of an entity's asymmetric key pair that should only be used by that entity
[8]
[ISO/IEC 9798-1 ]
3.32
provider
authority who has or who obtained the right to create a DF in the card
3.33
public key
that key of an entity's asymmetric key pair that can be made public
[8]
[ISO/IEC 9798-1 ]
3.34
record
string of bytes referenced and handled by the card within an EF supporting records
3.35
record identifier
number used to reference one or more records within an EF supporting records
3.36
record number
sequential number that uniquely identifies each record within an EF supporting records
3.37
registered application provider identifier
data element (five bytes) that uniquely identifies an application provider
3.38
secret key
key used with symmetric cryptographic techniques by a set of specified entities
[14]
[ISO/IEC 11770-3 ]
3.39
secure messaging
set of means for cryptographic protection of [parts of] command-response pairs
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ISO/IEC 7816-4:2005(E)
3.40
security attribute
condition of use of objects in the card including stored data and data processing functions, expressed as a
data element containing one or more access rules
3.41
security environment
set of components required by an application in the card for secure messaging or for security operations
3.42
symmetric cryptographic technique
cryptographic technique using the same secret key for both the originator's and the recipient's operation
(without the secret key, it is computationally infeasible to compute either operation)
3.43
tag list
concatenation of tag fields without delimitation
3.44
template
set of BER-TLV data objects forming the value field of a constructed BER-TLV data object
3.45
working elementary file
EF for storing data not interpreted by the card
4 Symbols and abbreviated terms
AID application identifier
APDU application protocol data unit
ARR access rule reference
ASN.1 abstract syntax notation one (see ISO/IEC 8825-1)
AT control reference template for authentication
ATR Answer-to-Reset
BER basic encoding rules of ASN.1 (see ISO/IEC 8825-1)
CCT control reference template for cryptographic checksum
CLA class byte
CRT control reference template
CT control reference template for confidentiality
DF dedicated file
DIR directory
DST control reference template for digital signature
EF elementary file
EF.ARR access rule reference file
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ISO/IEC 7816-4:2005(E)
EF.ATR Answer-to-Reset file
EF.DIR directory file
FCI file control information
FCP file control parameter
FMD file management data
HT control reference template for hash-code
INS instruction byte
KAT control reference template for key agreement
L field length field for coding the number N
c c
LCS byte life cycle status byte
L field length field for coding the number N
e e
MF master file
N number of bytes in the command data field
c
N maximum number of bytes expected in the response data field
e
N number of bytes in the response data field
r
PIX proprietary application identifier extension
P1-P2 parameter bytes (inserted for clarity, the dash is not significant)
RFU reserved for future use
RID registered application provider identifier
SC security condition
SCQL structured card query language
SE security environment
SEID byte security environment identifier byte
SM secure messaging
SW1-SW2 status bytes (inserted for clarity, the dash is not significant)
(SW1-SW2) value of the concatenation of the bytes SW1 and SW2 (the first byte is the most significant byte)
TLV tag, length, value
{T-L-V} data object (inserted for clarity, the dashes and curly brackets are not significant)
'XX' notation using the hexadecimal digits '0' to '9' and 'A' to 'F', equal to XX to the base 16
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ISO/IEC 7816-4:2005(E)
5 Organization for interchange
For organizing interchange, this clause specifies the following basic features.
1) Command-response pairs
2) Data objects
3) Structures for applications and data
4) Security architecture
5.1 Command-response pairs
Table 1 shows a command-response pair, namely a command APDU followed by a response APDU in the
opposite direction (see ISO/IEC 7816-3). There shall be no interleaving of command-response pairs across
the interface, i.e., the response APDU shall be received before initiating another command-response pair.
Table 1 — Command-response pair
Field Description Number of bytes
Class byte denoted CLA 1

Command header
Instruction byte denoted INS 1
Parameter bytes denoted P1-P2 2
L field
c Absent for encoding N = 0, present for encoding N > 0 0, 1 or 3
c c
Command data field
Absent if N = 0, present as a string of N bytes if N > 0 N
c c c c
L field Absent for encoding N = 0, present for encoding N > 0 0, 1, 2 or 3
e e e

Response data field
Absent if N = 0, present as a string of N bytes if N > 0 N (at most N )
r r r r e
Response trailer
Status bytes denoted SW1-SW2 2
In any command-response pair comprising both L and L fields (see ISO/IEC 7816-3), short and extended
c e
length fields shall not be combined: either both of them are short, or both of them are extended.
If the card explicitly states its capability of handling “extended L and L fields” (see Table 88, third software
c e
function table) in the historical bytes (see 8.1.1) or in EF.ATR (see 8.2.1.1), then the card handles short and
extended length fields. Otherwise (default value), the card handles only short length fields.
N denotes the number of bytes in the command data field. The L field encodes N .
c c c
 If the L field is absent, then N is zero.
c c
 A short L field consists of one byte not set to '00'.
c
• From '01' to 'FF', the byte encodes N from one to 255.
c
 An extended L field consists of three bytes: one byte set to '00' followed by two bytes not set to '0000'.
c
• From '0001' to 'FFFF', the two bytes encode N from one to 65 535.
c
N denotes the maximum number of bytes expected in the response data field. The L field encodes N .
e e e
 If the L field is absent, then N is zero.
e e
 A short L field consists of one byte with any value.
e
• From '01' to 'FF', the byte encodes N from one to 255.
e
• If the byte is set to '00', then N is 256.
e
 An extended L field consists of either three bytes (one byte set to '00' followed by two bytes with any
e
value) if the L field is absent, or two bytes (with any value) if an extended L field is present.
c c
• From '0001' to 'FFFF', the two bytes encode N from one to 65 535.
e
• If the two bytes are set to '0000', then N is 65 536.
e
N denotes the number of bytes in the response data field. N shall be less than or equal to N . Therefore in
r r e
any command-response pair, the absence of L field is the standard way for receiving no response data field.
e
If the L field contains only bytes set to '00', then N is maximum, i.e., within the limit of 256 for a short L field,
e e e
or 65 536 for an extended L field, all the available bytes should be returned.
e
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ISO/IEC 7816-4:2005(E)
If the process is aborted, then the card may become unresponsive. However if a response APDU occurs, then
the response data field shall be absent and SW1-SW2 shall indicate an error.
P1-P2 indicates controls and options for processing the command. A parameter byte set to '00' generally
provides no further qualification. There is no other general convention for encoding the parameter bytes.
General conventions are specified hereafter for encoding the class byte denoted CLA (see 5.1.1), the
instruction byte denoted INS (see 5.1.2) and the status bytes denoted SW1-SW2 (see 5.1.3). In those bytes,
the RFU bits shall be set to 0 unless otherwise specified.
5.1.1 Class byte
CLA indicates the class of the command. Due to specifications in ISO/IEC 7816-3, the value 'FF' is invalid. Bit
8 of CLA distinguishes between the interindustry class and the proprietary class.
Bit 8 set to 0 indicates the interindustry class. The values 000x xxxx and 01xx xxxx are specified hereafter.
The values 001x xxxx are reserved for future use by ISO/IEC JTC 1/SC 17.
 Table 2 specifies 000x xxxx as the first interindustry values.
• Bits 8, 7 and 6 are set to 000.
• Bit 5 controls command chaining (see 5.1.1.1).
• Bits 4 and 3 indicate secure messaging (see 6).
• Bits 2 and 1 encode a logical channel number from zero to three (see 5.1.1.2).
Table 2 — First interindustry values of CLA
b8 b7 b6 b5 b4 b3 b2 b1 Meaning
0 0 0 x - - - - Command chaining control (see 5.1.1.1)
0 0 0 0 - - - - — The command is the last or only command of a chain
0 0 0 1 - - - - — The command is not the last command of a chain
0 0 0 - x x - - Secure messaging indication
0 0 0 - 0 0 - - — No SM or no indication
0 0 0 - 0 1 - - — Proprietary SM format
0 0 0 - 1 0 - - — SM according to 6, command header not processed according to 6.2.3.1
0 0 0 - 1 1 - - — SM according to 6, command header authenticated according to 6.2.3.1
0 0 0 - - - x x Logical channel number from zero t
...

SLOVENSKI STANDARD
SIST ISO/IEC 7816-4:2005
01-februar-2005
Identifikacijski dokumenti – Kartice z integriranim vezjem – 4. del: Organizacija,
varovanje in ukazi za izmenjavo
Identification cards -- Integrated circuit cards -- Part 4: Organization, security and
commands for interchange
Cartes d'identification -- Cartes à circuit intégré -- Partie 4: Organisation, sécurité et
commandes pour les échanges
Ta slovenski standard je istoveten z: ISO/IEC 7816-4:2005
ICS:
35.240.15 Identifikacijske kartice in Identification cards and
sorodne naprave related devices
SIST ISO/IEC 7816-4:2005 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ISO/IEC 7816-4:2005

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SIST ISO/IEC 7816-4:2005


INTERNATIONAL ISO/IEC
STANDARD 7816-4
Second edition
2005-01-15


Identification cards — Integrated circuit
cards —
Part 4:
Organization, security and commands for
interchange
Cartes d'identification — Cartes à circuit intégré —
Partie 4: Organisation, sécurité et commandes pour les échanges




Reference number
ISO/IEC 7816-4:2005(E)
©
ISO/IEC 2005

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SIST ISO/IEC 7816-4:2005
ISO/IEC 7816-4:2005(E)
PDF disclaimer
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shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In
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accepts no liability in this area.
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Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation
parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In
the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below.


©  ISO/IEC 2005
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,
electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or
ISO's member body in the country of the requester.
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Published in Switzerland

ii © ISO/IEC 2005 – All rights reserved

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SIST ISO/IEC 7816-4:2005
ISO/IEC 7816-4:2005(E)
Contents Page
Foreword. iv
Introduction . v
1 Scope. 1
2 Normative references . 1
3 Terms and definitions. 2
4 Symbols and abbreviated terms. 5
5 Organization for interchange. 7
5.1 Command-response pairs. 7
5.2 Data objects. 13
5.3 Structures for applications and data . 17
5.4 Security architecture . 22
6 Secure messaging . 28
6.1 SM fields and SM data objects . 28
6.2 Basic SM data objects . 29
6.3 Auxiliary SM data objects. 31
6.4 SM impact on command-response pairs. 35
7 Commands for interchange . 36
7.1 Selection . 36
7.2 Data unit handling. 39
7.3 Record handling. 41
7.4 Data object handling. 47
7.5 Basic security handling. 50
7.6 Transmission handling. 57
8 Application-independent card services. 57
8.1 Card identification. 58
8.2 Application identification and selection. 61
8.3 Selection by path . 64
8.4 Data retrieval . 65
8.5 Data element retrieval. 65
8.6 Card-originated byte strings. 67
Annex A (informative) Examples of object identifiers and tag allocation schemes. 69
Annex B (informative) Examples of secure messaging. 71
Annex C (informative) Examples of AUTHENTICATE functions by GENERAL AUTHENTICATE commands. 78
Annex D (informative) Application identifiers using issuer identification numbers . 82
Bibliography . 83

© ISO/IEC 2005 — All rights reserved iii

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SIST ISO/IEC 7816-4:2005
ISO/IEC 7816-4:2005(E)
Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are members of
ISO or IEC participate in the development of International Standards through technical committees
established by the respective organization to deal with particular fields of technical activity. ISO and IEC
technical committees collaborate in fields of mutual interest. Other international organizations, governmental
and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information
technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of the joint technical committee is to prepare International Standards. Draft International
Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as
an International Standard requires approval by at least 75 % of the national bodies casting a vote.
ISO/IEC 7816-4 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology,
Subcommittee SC 17, Cards and personal identification.
This second edition cancels and replaces the first edition (ISO/IEC 7816-4:1995), and incorporates material
extracted from ISO/IEC 7816-5:1994, ISO/IEC 7816-6:1996, ISO/IEC 7816-8:1999 and ISO/IEC 7816-9:2000.
It also incorporates the Amendment ISO/IEC 7816-4:1995/Amd.1:1997.
In addition, material has been extracted from the first edition and moved to the third edition of ISO/IEC 7816-3,
so that the transmission protocols T=0 and T=1 are now present only in ISO/IEC 7816-3, no longer in
ISO/IEC 7816-4.
ISO/IEC 7816 consists of the following parts, under the general title Identification cards — Integrated circuit
cards:
 Part 1: Cards with contacts: Physical characteristics
 Part 2: Cards with contacts: Dimensions and location of the contacts
 Part 3: Cards with contacts: Electrical interface and transmission protocols
 Part 4: Organization, security and commands for interchange
 Part 5: Registration of application providers
 Part 6: Interindustry data elements for interchange
 Part 7: Interindustry commands for Structured Card Query Language (SCQL)
 Part 8: Commands for security operations
 Part 9: Commands for card management
 Part 10: Cards with contacts: Electronic signals and answer to reset for synchronous cards
 Part 11: Personal verification through biometric methods
 Part 12: Cards with contacts: USB electrical interface and operating procedures
 Part 15: Cryptographic information application

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SIST ISO/IEC 7816-4:2005
ISO/IEC 7816-4:2005(E)
Introduction
ISO/IEC 7816 is a series of standards specifying integrated circuit cards and the use of such cards for
interchange. These cards are identification cards intended for information exchange negotiated between the
outside world and the integrated circuit in the card. As a result of an information exchange, the card delivers
information (computation result, stored data), and / or modifies its content (data storage, event memorization).
 Five parts are specific to cards with galvanic contacts and three of them specify electrical interfaces.
• ISO/IEC 7816-1 specifies physical characteristics for cards with contacts.
• ISO/IEC 7816-2 specifies dimensions and location of the contacts.
• ISO/IEC 7816-3 specifies electrical interface and transmission protocols for asynchronous cards.
• ISO/IEC 7816-10 specifies electrical interface and answer to reset for synchronous cards.
• ISO/IEC 7816-12 specifies electrical interface and operating procedures for USB cards.
 All the other parts are independent from the physical interface technology. They apply to cards accessed
by contacts and / or by radio frequency.
• ISO/IEC 7816-4 specifies organization, security and commands for interchange.
• ISO/IEC 7816-5 specifies registration of application providers.
• ISO/IEC 7816-6 specifies interindustry data elements for interchange.
• ISO/IEC 7816-7 specifies commands for structured card query language.
• ISO/IEC 7816-8 specifies commands for security operations.
• ISO/IEC 7816-9 specifies commands for card management.
• ISO/IEC 7816-11 specifies personal verification through biometric methods.
• ISO/IEC 7816-15 specifies cryptographic information application.
[13] [15] [17]
ISO/IEC 10536 specifies access by close coupling. ISO/IEC 14443 and ISO/IEC 15693 specify
access by radio frequency. Such cards are also known as contactless cards.
ISO and IEC draw attention to the fact that it is claimed that compliance with this document may involve the
use of the following patents and the foreign counterparts.
JPN 2033906, Portable electronic device
JPN 2557838, Integrated circuit card
JPN 2537199, Integrated circuit card
JPN 2856393, Portable electronic device
JPN 2137026, Portable electronic device
JPN 2831660, Portable electronic device
DE 198 55 596, Portable microprocessor-assisted data carrier that can be used with or without contacts
ISO and IEC take no position concerning the evidence, validity and scope of these patent rights.
The holders of these patent rights have assured ISO and IEC that they are willing to negotiate licences under
reasonable and non-discriminatory terms and conditions with applications throughout the world. In this respect,
© ISO/IEC 2005 — All rights reserved v

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SIST ISO/IEC 7816-4:2005
ISO/IEC 7816-4:2005(E)
the statements of the holders of these patent rights are registered with ISO and IEC. Information may be
obtained from:
Contact Patent details
Toshiba Corporation JPN 2033906 (priority date: 1986-02-18; publication date: 1996-03-19),
Intellectual Property Division
FRA 8614996, KOR 44664
1-1, Shibaura 1-Chome
JPN 2557838 (priority date: 1986-02-18; publication date: 1996-09-05),
Minato-ku, Tokyo
FRA 8700343, GER 3700504, KOR 42243, USA 4841131
105-8001, Japan
JPN 2537199 (priority date: 1986-06-20; publication date: 1996-07-08),
FRA 8708646, FRA 8717770, USA 4833595, USA 4901276
JPN 2856393 (priority date: 1987-02-17; publication date: 1998-11-27),
FRA 8801887, KOR 43929, USA 4847803
JPN 2137026 (priority date: 1987-02-20; publication date: 1998-06-26),
JPN 3054119, FRA 8802046, KOR 44393, USA 4891506
JPN 2831660 (priority date: 1988-08-26; publication date: 1998-09-25),
FRA 8911249, KOR 106290, USA 4988855
Orga Kartensysteme Gmbh DE 198 55 596 (priority date: 1998-12-02; publication date: 2000-06-29)
Am Hoppenhof 33
Applications pending in Europe, Russia, Japan, China, USA, Brazil, Australia
D-33104 Paderborn
Germany



vi © ISO/IEC 2005 — All rights reserved

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SIST ISO/IEC 7816-4:2005
INTERNATIONAL STANDARD ISO/IEC 7816-4:2005(E)

Identification cards — Integrated circuit cards —
Part 4:
Organization, security and commands for interchange
1 Scope
This part of ISO/IEC 7816 specifies
 contents of command-response pairs exchanged at the interface,
 means of retrieval of data elements and data objects in the card,
 structures and contents of historical bytes to describe operating characteristics of the card,
 structures for applications and data in the card, as seen at the interface when processing commands,
 access methods to files and data in the card,
 a security architecture defining access rights to files and data in the card,
 means and mechanisms for identifying and addressing applications in the card,
 methods for secure messaging,
 access methods to the algorithms processed by the card. It does not describe these algorithms.
It does not cover the internal implementation within the card or the outside world.
This part of ISO/IEC 7816 is independent from the physical interface technology. It applies to cards accessed
by one or more of the following methods: contacts, close coupling and radio frequency.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated refer-
ences, only the edition cited applies. For undated references, the latest edition of the referenced document
(including any amendments) applies.
ISO/IEC 7816-3, Identification cards — Integrated circuit cards — Part 3: Cards with contacts: Electrical
interface and transmission protocols
ISO/IEC 7816-6, Identification cards — Integrated circuit cards — Part 6: Interindustry data elements for
interchange
ISO/IEC 8825-1:2002, Information technology — ASN.1 encoding rules: Specification of Basic Encoding
Rules (BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER)
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SIST ISO/IEC 7816-4:2005
ISO/IEC 7816-4:2005(E)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
access rule
data element containing an access mode referring to an action and security conditions to fulfil before acting
3.2
Answer-to-Reset file
optional EF indicating operating characteristics of the card
3.3
application
structures, data elements and program modules needed for performing a specific functionality
3.4
application DF
structure hosting an application in a card
3.5
application identifier
data element (up to sixteen bytes) that identifies an application
3.6
application label
data element for use at the man-machine interface
3.7
application provider
entity providing the components that make up an application in the card
3.8
application template
set of application-relevant data objects including one application identifier data object
3.9
asymmetric cryptographic technique
cryptographic technique that uses two related operations: a public operation defined by public numbers or by
a public key and a private operation defined by private numbers or by a private key (the two operations have
the property that, given the public operation, it is computationally infeasible to derive the private operation)
3.10
certificate
digital signature binding a particular person or object and its associated public key (the entity issuing the
certificate also acts as tag allocation authority with respect to the data elements in the certificate)
3.11
command-response pair
set of two messages at the interface: a command APDU followed by a response APDU in the opposite
direction
3.12
data element
item of information seen at the interface for which are specified a name, a description of logical content, a
format and a coding
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SIST ISO/IEC 7816-4:2005
ISO/IEC 7816-4:2005(E)
3.13
data object
information seen at the interface consisting of the concatenation of a mandatory tag field, a mandatory length
field and a conditional value field
3.14
data unit
the smallest set of bits that can be unambiguously referenced within an EF supporting data units
3.15
dedicated file
structure containing file control information and, optionally, memory available for allocation
3.16
DF name
data element (up to sixteen bytes) that uniquely identifies a DF in the card
3.17
digital signature
data appended to, or cryptographic transformation of, a data string that proves the origin and the integrity of
the data string and protects against forgery, e.g., by the recipient of the data string
3.18
directory file
optional EF containing a list of applications supported by the card and optional related data elements
3.19
elementary file
set of data units or records or data objects sharing the same file identifier and the same security attribute(s)
3.20
file
structure for application and / or data in the card, as seen at the interface when processing commands
3.21
file identifier
data element (two bytes) used to address a file
3.22
header list
concatenation of pairs of tag field and length field without delimitation
3.23
identification card
card identifying its holder and issuer, which may carry data required as input for the intended use of the card
and for transactions based thereon
[2]
[ISO/IEC 7810 ]
3.24
internal elementary file
EF for storing data interpreted by the card
3.25
key
sequence of symbols controlling a cryptographic operation (e.g., encipherment, decipherment, a private or a
public operation in a dynamic authentication, signature production, signature verification)
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SIST ISO/IEC 7816-4:2005
ISO/IEC 7816-4:2005(E)
3.26
master file
unique DF representing the root in a card using a hierarchy of DFs
3.27
offset
number sequentially referencing a data unit in an EF supporting data units, or a byte in a record
3.28
parent file
DF immediately preceding a given file within a hierarchy of DFs
3.29
password
data that may be required by the application to be presented to the card by its user for authentication purpose
3.30
path
concatenation of file identifiers without delimitation
3.31
private key
that key of an entity's asymmetric key pair that should only be used by that entity
[8]
[ISO/IEC 9798-1 ]
3.32
provider
authority who has or who obtained the right to create a DF in the card
3.33
public key
that key of an entity's asymmetric key pair that can be made public
[8]
[ISO/IEC 9798-1 ]
3.34
record
string of bytes referenced and handled by the card within an EF supporting records
3.35
record identifier
number used to reference one or more records within an EF supporting records
3.36
record number
sequential number that uniquely identifies each record within an EF supporting records
3.37
registered application provider identifier
data element (five bytes) that uniquely identifies an application provider
3.38
secret key
key used with symmetric cryptographic techniques by a set of specified entities
[14]
[ISO/IEC 11770-3 ]
3.39
secure messaging
set of means for cryptographic protection of [parts of] command-response pairs
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SIST ISO/IEC 7816-4:2005
ISO/IEC 7816-4:2005(E)
3.40
security attribute
condition of use of objects in the card including stored data and data processing functions, expressed as a
data element containing one or more access rules
3.41
security environment
set of components required by an application in the card for secure messaging or for security operations
3.42
symmetric cryptographic technique
cryptographic technique using the same secret key for both the originator's and the recipient's operation
(without the secret key, it is computationally infeasible to compute either operation)
3.43
tag list
concatenation of tag fields without delimitation
3.44
template
set of BER-TLV data objects forming the value field of a constructed BER-TLV data object
3.45
working elementary file
EF for storing data not interpreted by the card
4 Symbols and abbreviated terms
AID application identifier
APDU application protocol data unit
ARR access rule reference
ASN.1 abstract syntax notation one (see ISO/IEC 8825-1)
AT control reference template for authentication
ATR Answer-to-Reset
BER basic encoding rules of ASN.1 (see ISO/IEC 8825-1)
CCT control reference template for cryptographic checksum
CLA class byte
CRT control reference template
CT control reference template for confidentiality
DF dedicated file
DIR directory
DST control reference template for digital signature
EF elementary file
EF.ARR access rule reference file
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SIST ISO/IEC 7816-4:2005
ISO/IEC 7816-4:2005(E)
EF.ATR Answer-to-Reset file
EF.DIR directory file
FCI file control information
FCP file control parameter
FMD file management data
HT control reference template for hash-code
INS instruction byte
KAT control reference template for key agreement
L field length field for coding the number N
c c
LCS byte life cycle status byte
L field length field for coding the number N
e e
MF master file
N number of bytes in the command data field
c
N maximum number of bytes expected in the response data field
e
N number of bytes in the response data field
r
PIX proprietary application identifier extension
P1-P2 parameter bytes (inserted for clarity, the dash is not significant)
RFU reserved for future use
RID registered application provider identifier
SC security condition
SCQL structured card query language
SE security environment
SEID byte security environment identifier byte
SM secure messaging
SW1-SW2 status bytes (inserted for clarity, the dash is not significant)
(SW1-SW2) value of the concatenation of the bytes SW1 and SW2 (the first byte is the most significant byte)
TLV tag, length, value
{T-L-V} data object (inserted for clarity, the dashes and curly brackets are not significant)
'XX' notation using the hexadecimal digits '0' to '9' and 'A' to 'F', equal to XX to the base 16
6 © ISO/IEC 2005 — All rights reserved

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SIST ISO/IEC 7816-4:2005
ISO/IEC 7816-4:2005(E)
5 Organization for interchange
For organizing interchange, this clause specifies the following basic features.
1) Command-response pairs
2) Data objects
3) Structures for applications and data
4) Security architecture
5.1 Command-response pairs
Table 1 shows a command-response pair, namely a command APDU followed by a response APDU in the
opposite direction (see ISO/IEC 7816-3). There shall be no interleaving of command-response pairs across
the interface, i.e., the response APDU shall be received before initiating another command-response pair.
Table 1 — Command-response pair
Field Description Number of bytes
Class byte denoted CLA 1

Command header
Instruction byte denoted INS 1
Parameter bytes denoted P1-P2 2
L field
c Absent for encoding N = 0, present for encoding N > 0 0, 1 or 3
c c
Command data field
Absent if N = 0, present as a string of N bytes if N > 0 N
c c c c
L field Absent for encoding N = 0, present for encoding N > 0 0, 1, 2 or 3
e e e

Response data field
Absent if N = 0, present as a string of N bytes if N > 0 N (at most N )
r r r r e
Response trailer
Status bytes denoted SW1-SW2 2
In any command-response pair comprising both L and L fields (see ISO/IEC 7816-3), short and extended
c e
length fields shall not be combined: either both of them are short, or both of them are extended.
If the card explicitly states its capability of handling “extended L and L fields” (see Table 88, third software
c e
function table) in the historical bytes (see 8.1.1) or in EF.ATR (see 8.2.1.1), then the card handles short and
extended length fields. Otherwise (default value), the card handles only short length fields.
N denotes the number of bytes in the command data field. The L field encodes N .
c c c
 If the L field is absent, then N is zero.
c c
 A short L field consists of one byte not set to '00'.
c
• From '01' to 'FF', the byte encodes N from one to 255.
c
 An extended L field consists of three bytes: one byte set to '00' followed by two bytes not set to '0000'.
c
• From '0001' to 'FFFF', the two bytes encode N from one to 65 535.
c
N denotes the maximum number of bytes expected in the response data field. The L field encodes N .
e e e
 If the L field is absent, then N is zero.
e e
 A short L field consists of one byte with any value.
e
• From '01' to 'FF', the byte encodes N from one to 255.
e
• If the byte is set to '00', then N is 256.
e
 An extended L field consists of either three bytes (one byte set to '00' followed by two bytes with any
e
value) if the L field is absent, or two bytes (with any value) if an extended L field is present.
c c
• From '0001' to 'FFFF', the two bytes encode N from one to 65 535.
e
• If the two bytes are set to '0000', then N is 65 536.
e
N denotes the number of bytes in the response data field. N shall be less than or equal to N . Therefore in
r r e
any command-response pair, the absence of L field is the standard way for receiving no response data field.
e
If the L field contains only bytes set to '00', then N is maximum, i.e., within the limit of 256 for a short L field,
e e e
or 65 536 for an extended L field, all the available bytes should be returned.
e
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SIST ISO/IEC 7816-4:2005
ISO/IEC 7816-4:2005(E)
If the process is aborted, then the card may become unresponsive. However if a response APDU occurs, then
the response data field shall be absent and SW1-SW2 shall indicate an error.
P1-P2 indicates controls and options for processing the command. A parameter byte set to '00' generally
provides no further qualification. There is no other general convention for encoding the parameter bytes.
General conventions are specified hereafter for encoding the class byte denoted CLA (see 5.1.1), the
instruction byte denoted INS (see 5.1.2) and the status bytes denoted SW1-SW2 (see 5.1.3). In those bytes,
the RFU bits shall be set to 0 unless otherwise specified.
5.1.1 Class byte
CLA indicates the class of the command. Due to specifica
...

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Identifikacijski dokumenti – Kartice z integriranim vezjem – 4. del: Organizacija, varovanje in ukazi za izmenjavoCartes d'identification -- Cartes à circuit intégré -- Partie 4: Organisation, sécurité et commandes pour les échangesIdentification cards -- Integrated circuit cards -- Part 4: Organization, security and commands for interchange35.240.15Identifikacijske kartice in sorodne napraveIdentification cards and related devicesICS:Ta slovenski standard je istoveten z:ISO/IEC 7816-4:200R6IST ISO/IEC 7816-4:200en01-QRYHPEHU-2002SIST ISO/IEC 7816-4:200SLOVENSKI
STANDARD







Please see the administrative notes on page iii
RECIPIENTS OF THIS DRAFT ARE INVITED TOSUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICHTHEY ARE AWARE AND TO PROVIDE SUPPORT-ING DOCUMENTATION. IN ADDITION TO THEIR EVALUATION AS BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-LOGICAL, COMMERCIAL AND USER PURPOSES,DRAFT INTERNATIONAL STANDARDS MAY ONOCCASION HAVE TO BE CONSIDERED IN THELIGHT OF THEIR POTENTIAL TO BECOME STAN-DARDS TO WHICH REFERENCE MAY BE MADE IN NATIONAL REGULATIONS.
Reference numberISO/IEC FDIS 7816-4:2004(E)© ISO/IEC 2004 FINAL DRAFT ISO/IEC JTC 1 Secretariat: ANSI Voting begins on: 2004-09-16 Voting terminates on: 2004-11-16
INTERNATIONAL STANDARD ISO/IECFDIS7816-4Identification cards — Integrated circuit cards — Part 4: Organization, security and commands for interchange Cartes d'identification — Cartes à circuit intégré — Partie 4: Organisation, sécurité et commandes pour les échanges



ISO/IEC FDIS 7816-4:2004(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below.
Copyright notice This ISO document is a Draft International Standard and is copyright-protected by ISO. Except as permitted under the applicable laws of the user's country, neither this ISO draft nor any extract from it may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, photocopying, recording or otherwise, without prior written permission being secured. Requests for permission to reproduce should be addressed to either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 • CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax
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ISO/IEC FDIS 7816-4:2004(E) © ISO/IEC 2004 — All rights reserved iii In accordance with the provisions of Council Resolution 21/1986, this document is circulated in the English language only.



ISO/IEC FDIS 7816-4:2004(E) iv © ISO/IEC 2004 — All rights reserved Contents Page Foreword.v Introduction.vi 1 Scope.1 2 Normative references.1 3 Terms and definitions.2 4 Symbols and abbreviated terms.5 5 Organization for interchange.7 5.1 Command-response pairs.7 5.2 Data objects.13 5.3 Structures for applications and data.17 5.4 Security architecture.22 6 Secure messaging.28 6.1 SM fields and SM data objects.28 6.2 Basic SM data objects.29 6.3 Auxiliary SM data objects.31 6.4 SM impact on command-response pairs.35 7 Commands for interchange.36 7.1 Selection.36 7.2 Data unit handling.39 7.3 Record handling.41 7.4 Data object handling.47 7.5 Basic security handling.50 7.6 Transmission handling.57 8 Application-independent card services.
...