Identification cards — Integrated circuit cards — Part 11: Personal verification through biometric methods

This document specifies security-related interindustry commands that are intended to be used for personal verification through biometric methods in integrated circuit cards. It also defines the data structure and data access methods for use of the card as a carrier of the biometric reference and/or as the device to perform the verification of the cardholder's biometric probe (on-card biometric comparison). Identification of persons using biometric methods is outside the scope of this document.

Cartes d'identification — Cartes à circuit intégré — Partie 11: Verification personelle par méthodes biométriques

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Publication Date
03-Apr-2022
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INTERNATIONAL ISO/IEC
STANDARD 7816-11
Third edition
2022-04
Identification cards — Integrated
circuit cards —
Part 11:
Personal verification through
biometric methods
Cartes d'identification — Cartes à circuit intégré —
Partie 11: Verification personelle par méthodes biométriques
Reference number
ISO/IEC 7816-11:2022(E)
© ISO/IEC 2022
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ISO/IEC 7816-11:2022(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2022

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on

the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below

or ISO’s member body in the country of the requester.
ISO copyright office
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Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
© ISO/IEC 2022 – All rights reserved
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ISO/IEC 7816-11:2022(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction .............................................................................................................................................................................................................................. vi

1 Scope .................................................................................................................................................................................................................................1

2 Normative references .....................................................................................................................................................................................1

3 Terms and definitions ....................................................................................................................................................................................1

4 Symbols and abbreviated terms..........................................................................................................................................................2

5 Commands for biometric verification and its related processes .....................................................................3

5.1 General ........................................................................................................................................................................................................... 3

5.2 Commands for a biometric static verification process ....................................................................................... 3

5.3 Commands for a biometric dynamic verification process ............................................................................... 4

5.4 PERFORM BIOMETRIC OPERATION command ..................................................................................................................... 4

5.4.1 General definition of PBO command ................................................................................................................... 4

5.4.2 Operations of PBO command ..................................................................................................................................... 5

5.4.3 Enrolment of biometric reference ....................................................................................................................... 9

5.4.4 Retrieval of biometric reference information .......................................................................................... 9

5.4.5 Comparison of biometric probe ......................................................................................................................... 10

5.4.6 Feedback mechanism during biometric acquisition process .................................................. 10

6 Commands for specific use cases of biometric verification and its related processes ..........10

6.1 General ........................................................................................................................................................................................................ 10

6.2 Use case for ISO/IEC 24761 ....................................................................................................................................................... 10

6.2.1 Operations of PBO command .................................................................................................................................. 10

6.2.2 Enrolment of biometric reference .................................................................................................................... 11

6.2.3 Retrieval of biometric reference information ....................................................................................... 11

6.2.4 Comparison of biometric probe .........................................................................................................................12

7 Data elements .......................................................................................................................................................................................................12

7.1 Biometric information ..................................................................................................................................................................12

7.2 Biometric data ........................................................................................................................................... ........................................... 16

7.3 Verification information ............................................................................................................................................................. 18

7.3.1 Purpose .................................................................................................................................................................................... 18

7.3.2 Verification information data object (VIDO) .......................................................................................... 18

7.3.3 Verification information template (VIT) ................................................................................................... 19

Annex A (informative) Biometric verification process .................................................................................................................21

Annex B (informative) Examples of biometric information data objects with implicit tag

allocation coding ........................................................................................................................................... ....................................................23

Bibliography .............................................................................................................................................................................................................................25

iii
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ISO/IEC 7816-11:2022(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.

The procedures used to develop this document and those intended for its further maintenance

are described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria

needed for the different types of document should be noted. This document was drafted in

accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives or

www.iec.ch/members_experts/refdocs).

Attention is drawn to the possibility that some of the elements of this document may be the subject

of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent

rights. Details of any patent rights identified during the development of the document will be in the

Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents) or the IEC

list of patent declarations received (see https://patents.iec.ch).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to

the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see

www.iso.org/iso/foreword.html. In the IEC, see www.iec.ch/understanding-standards.

This document was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology,

Subcommittee SC 17, Cards and security devices for personal identification.

This third edition cancels and replaces the second edition (ISO/IEC 7816-11:2017), which has been

technically revised.
The main changes are as follows:

— In Subclause 5.4, functionality of RETRIEVE BIOMETRIC REFERENCE operation has been expanded to

retrieve the following two different cases of biometric reference information:
— including biometric reference;
— not including biometric reference.

— In Subclause 5.4, new alternative names have been assigned to the following two operations of PERFORM

BIOMETRIC OPERATION command:
— RETRIEVE BIOMETRIC REFERENCE operation (to be deprecated)
RETRIEVE BIOMETRIC REFERENCE INFORMATION operation (assigned)
— STORE BIOMETRIC INFORMATION operation (to be deprecated)
STORE BRT CERTIFICATE operation (assigned).

— In Table 4, according to ISO/IEC 24787:2018, the parameters to be used by SET BIOMETRIC PARAMETER

operation has been added.

— In Table 8, the presence condition of tag allocation authority DOs has been clarified for the case of

the default tag allocation authority.
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ISO/IEC 7816-11:2022(E)

— In Table 9, the format of a biometric information template has been modified and clarified for the

following use cases:

— The template conveys multiple sets of DOs defined by more than one compatible tag allocation

authority.
— An individual standard becomes a tag allocation authority within the template.

— In Table 10, the format of a biometric information template group template has been modified for

explicit tag allocation coding, keeping backward compatibility to implicit tag allocation coding.

— In Table 11, biometric modality specific additional data DOs have been added as optional into a

biometric data template to support existing biometric data format standards.

— In Figure 1, a use case has been copied from the first edition of ISO/IEC 7816-11, which sends two

different formats of biometric probes at the same time.
— Annex C has been deleted.

A list of all parts in the ISO/IEC 7816 series can be found on the ISO and IEC websites.

Any feedback or questions on this document should be directed to the user’s national standards

body. A complete listing of these bodies can be found at www.iso.org/members.html and

www.iec.ch/national-committees.
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ISO/IEC 7816-11:2022(E)
Introduction

The ISO/IEC 7816 series of standards specifies 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 in the ISO/IEC 7816 series 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 operation procedures for USB cards.

All of the other parts in the ISO/IEC 7816 series 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 (this document) specifies personal verification through biometric methods.

— ISO/IEC 7816-13 specifies commands for handling the life cycle of applications.

— ISO/IEC 7816-15 specifies cryptographic information application.

The ISO/IEC 10536 series specifies access by close coupling. The ISO/IEC 14443 series and the

ISO/IEC 15693 series specify access by radio frequency. Such cards are also known as "contactless

cards".
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INTERNATIONAL STANDARD ISO/IEC 7816-11:2022(E)
Identification cards — Integrated circuit cards —
Part 11:
Personal verification through biometric methods
1 Scope

This document specifies security-related interindustry commands that are intended to be used for

personal verification through biometric methods in integrated circuit cards. It also defines the data

structure and data access methods for use of the card as a carrier of the biometric reference and/

or as the device to perform the verification of the cardholder's biometric probe (on-card biometric

comparison). Identification of persons using biometric methods is outside the scope of this document.

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO/IEC 2382-37, Information technology — Vocabulary — Part 37: Biometrics

ISO/IEC 7816-4, Identification cards — Integrated circuit cards — Part 4: Organization, security and

commands for interchange

ISO/IEC 24761, Information technology — Security techniques — Authentication context for biometrics

ISO/IEC 24787, Information technology — Identification cards — On-card biometric comparison

3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO/IEC 2382-37, ISO/IEC 7816-4,

ISO/IEC 24761, and the following apply.

ISO and IEC maintain terminology databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
3.1
biometric information
information needed by the outside world to construct the biometric probe
3.2
data acquisition

collection or attempt for collection of a signal(s) from a biometric characteristics(s), or a representation

of a biometric characteristic(s), and conversion of the signal(s) to an acquired biometric sample set

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ISO/IEC 7816-11:2022(E)
3.3
biometric dynamic verification

verification process where the challenge from the integrated circuit card (ICC) is random and might not

correspond to a biometric reference

Note 1 to entry: Actions taken by biometric dynamic verification are, e.g. speech, sign time series data, with

dynamically changed patterns. These actions can be used for biometric static verification (3.9) with fixed patterns.

3.4
enrolment processing

act of creating and storing a biometric reference in accordance with an enrolment policy

3.5
externally-captured, adj.

captured outside the integrated circuit card (ICC) through data acquisition (3.2)

3.6
feedback mechanism

mechanism of informing devices outside of a Biometric System-on-Card of detailed error, warning or

progress message complementing the status bytes by using card-originated byte strings

[SOURCE: ISO/IEC 17839-3:2016, 3.2, modified — Removed "defined in ISO/IEC 7816-4" at the end of

the definition. Replaced "BSoC" with "Biometric System-on-Card".]
3.7
internally-captured, adj.
captured inside the integrated circuit card (ICC) through data acquisition (3.2)
3.8
sensor

device to acquire a biometric characteristic(s) and to convert it (them) to the signal(s)

3.9
biometric static verification

verification process that requires the presentation of a biometric sample without the need of a random

challenge from the integrated circuit card (ICC)

Note 1 to entry: Examples of biometric type used in the process are, e.g. face, fingerprint, iris, vein.

Note 2 to entry: Examples of performances of enrolled, pre-determined actions are gait, speech, sign time series

data with fixed patterns.
3.10
template

concatenation of BER-TLV data objects, forming the value field of a constructed BER-TLV data object

Note 1 to entry: The term “template” means the value field of a constructed data object. It should not be confused

with a processed biometric data sample.
[SOURCE: ISO/IEC 7816-4:2020, 3.59, modified — Note 1 to entry has been added.]
4 Symbols and abbreviated terms

For the purposes of this document, the symbols and abbreviated terms given in ISO/IEC 7816-4 and the

following apply.
ACBio Authentication Context for Biometrics (see ISO/IEC 24761)
AID Application Identifier
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ISO/IEC 7816-11:2022(E)
AT Control Reference Template for Authentication
BER Basic Encoding Rules of ASN.1 (see ISO/IEC 8825-1)
BHT Biometric Header Template
BPU Biometric Processing Unit (see ISO/IEC 24761)
BRT certificate Biometric Reference Template certificate (see ISO/IEC 24761)
CBEFF Common Biometric Exchange Formats Framework
DF Dedicated File
DO BER-TLV data object
FCI File Control Information
ICC Integrated Circuit Card
I/O Input/Output
L Length field of TLV DO
MSE MANAGE SECURITY ENVIRONMENT
OID Object identifier
PBO PERFORM BIOMETRIC OPERATION
RFU Reserved for Future Use by ISO/IEC JTC 1/SC 17
SE Security Environment
TLV Tag, Length, Value
VIDO Verification Information Data Object
VIT Verification Information Template
5 Commands for biometric verification and its related processes
5.1 General

PERFORM BIOMETRIC OPERATION (PBO) command defined in 5.4 describes biometric operations for

enrolment (storage of biometric data in an ICC) and verification (comparison of biometric data with

reference data stored in the ICC). Both storage and comparison of biometric data can also be achieved

by use of commands defined in ISO/IEC 7816-4 (e.g. PUT DATA, UPDATE BINARY for storage, VERIFY for

comparison).
PBO command also supports ACBio defined in ISO/IEC 24761 (see 6.2).
5.2 Commands for a biometric static verification process

The commands to be used for a static verification process (see an example shown in Annex A) shall

be VERIFY command as specified in ISO/IEC 7816-4 or PERFORM BIOMETRIC OPERATION (PBO) command

with relevant operations, e.g. comparison of biometric probe as specified in 5.4. When VERIFY command

is used and the biometric data is externally-captured, the command shall contain the biometric data

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ISO/IEC 7816-11:2022(E)

as biometric probe to be compared in its data field, encoded as defined in 7.1 and 7.2. The biometric

algorithm identifier shall be either
— implicitly known,

— defined in a security environment (SE) within a control reference template for authentication (AT),

— defined in a command data within a biometric information template (see ISO/IEC 24787), or

— defined in a command data within a control reference template for authentication.

The biometric reference qualifier can be either
— defined in a SE within control reference template for authentication,
— defined in parameter P2 of VERIFY or PBO command,
— defined in a command data within a biometric information template (see 7.1),
— defined in a command data within a biometric data template (see 7.2), or

— defined in a command data within a control reference template for authentication.

The biometric probe can be encoded as BER-TLV data object (see Table 11). It can be recorded in a

biometric information template (see Table 8 and Table 9) or a biometric information template group

template (see Table 10).

Biometric data captured either in ICC or out of ICC can be compared. In the case of comparing internally-

captured biometric probe, feedback mechanism specified in ISO/IEC 17839-3 with the PBO operations

in 5.4.6 should be implemented.
5.3 Commands for a biometric dynamic verification process

To get a challenge to which a user response is required (see examples shown in Annex A), GET CHALLENGE

command defined in ISO/IEC 7816-4 or PBO command defined in 5.4 shall be used.

The type of challenge in a biometric verification process, e.g. a phrase for voiceprint or a phrase for

keystroke, depends on the biometric algorithm.

If the challenge is requested using GET CHALLENGE command, the P1 of the command shall identify the

biometric algorithm. As specified in ISO/IEC 7816-4, the P1 set to '00' means that no information is

given, i.e. the biometric algorithm is known before issuing the command.

If the challenge is requested using PBO command, the biometric algorithm shall be either

— implicitly known, or
— defined in a SE within control reference template for authentication.

Alternatively, the respective algorithm can be selected using MSE command (e.g. SET option with AT,

usage qualifier DO and algorithm reference DO in the command data field).

After receiving a biometric challenge, EXTERNAL AUTHENTICATE command or PBO command shall be sent

to the ICC. The command data field conveys the relevant biometric probe.
5.4 PERFORM BIOMETRIC OPERATION command
5.4.1 General definition of PBO command

One or more PBO command(s) can be used for biometric verification and its related processes. It initiates

various kinds of biometric operations and other relevant operations, in accordance with the value

indicated in P1.
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ISO/IEC 7816-11:2022(E)
Table 1 — PERFORM BIOMETRIC OPERATION command-response pair
CLA As defined in ISO/IEC 7816-4
INS '2E'
P1 Function number and use case variant (see Table 5)
P2 See Table 2
L field Absent for encoding N = 0, present for encoding N > 0
c c c
Command data field Absent or present in accordance with P1 (see Table 4)
L field Absent for encoding N = 0, present for encoding N > 0
e e e
Response data field Absent or present in accordance with P1 (see Table 4)

SW1-SW2 As defined in ISO/IEC 7816-4:2020, Table 6 and Table 7 when relevant, e.g. '6281', '6282',

'6700', '6981', '6982', '6A81', '6A82', '6A83'.

NOTE ISO/IEC 7816-4 defines INS = '2E' and '2F' for PBO command but this document defines '2E' only, and '2F' is

reserved for future extension.

In Table 1, P1 indicates single operation related to biometrics. In Table 2, P2 qualifies the biometric

reference in the same manner as for basic security handling command specified in ISO/IEC 7816-4.

Table 2 — P2 of PBO command
Meaning
b8 b7 b6 b5 b4 b3 b2 b1
0 0 0 0 0 0 0 0 No information given
0 — — — — — — — Global biometric reference (e.g. MF specific)
1 — — — — — — — Specific biometric reference (e.g. application DF specific)
— x x — — — — — 00 (any other value is RFU)
— — — x x x x x Qualifier, i.e. number of the biometric reference

PBO command can be preceded by MSE command in order to set appropriate parameters. For example,

MSE command set a control reference template valid for authentication (AT) to a SE. When PBO command

executes, this SE can convey an indication of biometric user authentication with qualifier of its biometric

reference.
5.4.2 Operations of PBO command

Table 3 explains the functionalities of PBO operations outlined in Table 4 and Table 5.

Table 3 — PBO operation and functionality
Operation Functionality
SET INITIAL VALUES
Setting initial values for biometrics
STORE BIOMETRIC REFERENCE
Enrolment of externally-captured biometric data
UPDATE BIOMETRIC REFERENCE
CAPTURE AND STORE
BIOMETRIC REFERENCE
Enrolment of internally-captured biometric data
CAPTURE AND UPDATE
BIOMETRIC REFERENCE
Comparison of externally-captured biometric probe with biometric refer-
COMPARE BIOMETRIC PROBE
ence
CAPTURE AND COMPARE
Comparison of internally-captured biometric probe with biometric reference
BIOMETRIC PROBE
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ISO/IEC 7816-11:2022(E)
Table 3 (continued)
Operation Functionality
RETRIEVE BIOMETRIC
REFERENCE (to be deprecated)
Retrieval of biometric reference information from the ICC
RETRIEVE BIOMETRIC
REFERENCE INFORMATION
GENERATE BIOMETRIC
Generating ACBio instance
VALIDATION CERTIFICATE
GENERATE CONTROL VALUE
Generating control value for biometrics
STORE BIOMETRIC
INFORMATION
Storing externally generated certificate for a biometric reference
(to be deprecated)
STORE BRT CERTIFICATE
Getting biometric challenge before COMPARE BIOMETRIC PROBE or CAPTURE
GET BIOMETRIC CHALLENGE
AND COMPARE BIOMETRIC PROBE operation in case of biometric dynamic
verification process.
Setting parameters such as card-specific biometric functionality information
or application-specific biometric comparison parameters, and also applica-
SET BIOMETRIC PARAMETER
tion level timeout for the feedback mechanism of Biometric System-on-Card
(see ISO/IEC 17839-3).
Indicating to the ICC that the ongoing biometric sample acquisition process,
CONTINUE CAPTURE
which has reached its application level timeout, is to be continued.
Indicating to the ICC that the ongoing biometric sample acquisition process,
ABORT CAPTURE
which has reached its application level timeout, is to be aborted.

NOTE SET BIOMETRIC PARAMETER, CONTINUE CAPTURE and ABORT CAPTURE operations of PBO command are

provided for the feedback mechanism.
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ISO/IEC 7816-11:2022(E)
Table 4 — Command and response data field of PBO command
Operation Command data field Response data field
SET INITIAL
VALUES
Biometric initial value template
(see 6.2.2.1, 6.2.2.2,
DO'73' — Absent
(see Table 7)
6.2.3, 6.2.4.1 and
6.2.4.2)
Biometric reference as:
STORE BIOMETRIC
DO'7F2E' Biometric data template
REFERENCE
— Absent
DO'7F60' Biometric information template
(see 5.4.3.1 and
6.2.2.1)
Biometric information template
DO'7F61'
group template
Biometric reference as:
UPDATE BIOMETRIC
DO'7F2E' Biometric data template
REFERENCE
— Absent
DO'7F60' Biometric information template
(see 5.4.3.1 and
6.2.2.1)
Biometric information template
DO'7F61'
group template
CAPTURE AND STORE
BIOMETRIC
REFERENCE
— Absent — Absent
(see 5.4.3.2 and
6.2.2.2)
CAPTURE AND
UPDATE BIOMETRIC
REFERENCE
— Absent — Absent
(see 5.4.3.2 and
6.2.2.2)
Biometric probe as:
DO'7F2E' Biometric data template
COMPARE BIOMETRIC
PROBE
— Absent
DO'7F60' Biometric information template
(see 5.4.5.1)
Biometric information template
DO'7F61'
group template
CAPTURE AND
COMPARE BIOMETRIC
— Absent — Absent
PROBE (see 5.4.5.2)
RETRIEVE
Biometric reference infor-
BIOMETRIC
mation as:
REFERENCE
Biometric information
(to be deprecated)
DO'7F60'
template
— Absent
RETRIEVE
BIOMETRIC
Biometric information
REFERENCE
DO'7F61'
template group template
INFORMATION
(see 5.4.4 and 6.2.3)
NOTE 1 Biometric data template DO'7F2E' is defined in Table 11.

NOTE 2 Biometric information template DO'7F60' is defined in Table 8 and Table 9.

NOTE 3 Biometric information template group template is defined in Table 10.

NOTE 4 Biometric comparison parameters DO'B1' and biometric functionality information DO'B2' are defined in

ISO/IEC 24787.
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ISO/IEC 7816-11:2022(E)
Table 4 (continued)
Operation Command data field Response data field
GENERATE
BIOMETRIC
VALIDATION
DO'53'/ Reference data qualifier, reference Biometric certificate
CERTIFICATE
DO'73'
DO'73'/— data qualifier template or absent template
(see 6.2.2.1, 6.2.2.2,
6.2.3, 6.2.4.1 and
6.2.4.2)
GENERATE CONTROL
VALUE (see 6.2.2.1,
— Absent DO'73' Control value template
6.2.2.2, 6.2.2.3,
6.2.4.1 and 6.2.4.2)
STORE BIOMETRIC
INFORMATION
(to be deprecated)
DO'A5' Biometric information — Absent
STORE BRT
CERTIFICATE
(see
...

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