Secure storage units - Classification for high security locks according to their resistance to unauthorized opening

This document specifies requirements for high security locks (HSL) for reliability, resistance to burglary and manipulation with methods of testing. It also provides a scheme for classifying HSL in accordance with their assessed resistance to burglary and unauthorized opening.
It is applicable to mechanical and electronic HSL. For electronic locks used in a distributed system, see EN 17646 for further information.
The following features can be included as optional subjects but they are not mandatory:
a)   recognized code for preventing code altering and/or enabling/disabling parallel codes;
b)   recognized code for disabling time set up;
c)   integration of alarm components or functions;
d)   resistance to attacks with acids;
e)   resistance to X-rays;
f)   resistance to explosives;
g)   time functions.

Wertbehältnisse - Klassifizierung von Hochsicherheitsschlössern nach ihrem Widerstandswert gegen unbefugtes Öffnen

Dieses Dokument legt die Anforderungen an Hochsicherheitsschlösser (HSS) hinsichtlich ihrer Zuverlässigkeit, ihres Widerstandswertes gegen zerstörende Angriffe und gegen unbefugtes Öffnen sowie die Prüfverfahren fest. Sie bietet außerdem ein Schema zur Klassifizierung von Hochsicherheitsschlössern auf der Grundlage einer Bewertung ihres Widerstandswertes gegen zerstörende Angriffe und gegen unbefugtes Öffnen.
Sie gilt für mechanische und elektronische HSS. Für elektronische Schlösser, die in einem Verteilten System benutzt werden, wird auf die prEN 17646 für weitere Informationen verwiesen.
Die Schlösser können die folgenden Merkmale als Option enthalten, diese sind aber nicht zwingend erforderlich:
a) Berechtigungscode zur Verhinderung einer Codeänderung und/oder der Freigabe/Sperrung eines Parallelcodes;
b) Berechtigungscode zur Freigabe einer Zeitschlossfunktion;
c) Einbau von Bauteilen oder Funktionen einer Alarmanlage;
d) Funktionen zur Fernsteuerung und -überwachung;
e) Widerstand gegen Angriffe mit Säuren;
f) Widerstand gegen Angriffe mit Röntgenstrahlung;
g) Widerstand gegen Angriffe mit Sprengstoffen;
h) Zeitfunktionen.

Unités de stockage en lieu sûr - Classification des serrures haute sécurité en fonction de leur résistance à l'effraction

Le présent document spécifie des exigences relatives à la fiabilité, la résistance à l'effraction et l'ouverture non autorisée des serrures haute sécurité (HSL), ainsi que des méthodes d'essai. Il fournit également un système de classification des HSL en fonction de leur résistance estimée à l'effraction et à l'ouverture non autorisée.
Le présent document s'applique aux HSL mécaniques et électroniques. Voir le prEN 17646 pour de plus amples informations concernant les serrures électroniques utilisées dans les systèmes répartis.
Les caractéristiques suivantes peuvent être incluses en option, mais ne sont pas obligatoires :
a) un code reconnu empêchant le changement du code et/ou l'activation/la désactivation de codes parallèles ;
b) un code reconnu pour la désactivation des paramètres horaires ;
c) l'intégration de composants ou de fonctions d'alarme ;
d) des fonctions de commande à distance ;
e) la résistance aux tentatives d'ouverture aux acides ;
f) la résistance aux rayons X ;
g) la résistance aux explosifs ;
h) des fonctions horaires.

Varnostne shranjevalne enote - Klasifikacija visoko varnostnih ključavnic po odpornosti proti nepooblaščenemu odpiranju

General Information

Status
Not Published
Publication Date
21-Sep-2023
Current Stage
4599 - Dispatch of FV draft to CMC - Finalization for Vote
Start Date
07-Nov-2022
Due Date
14-Oct-2022
Completion Date
07-Nov-2022

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SLOVENSKI STANDARD
oSIST prEN 1300:2022
01-februar-2022
Varnostne shranjevalne enote - Klasifikacija visoko varnostnih ključavnic po
odpornosti proti nepooblaščenemu odpiranju

Secure storage units - Classification for high security locks according to their resistance

to unauthorized opening
Wertbehältnisse - Klassifizierung von Hochsicherheitsschlössern nach ihrem
Widerstandswert gegen unbefugtes Öffnen

Unités de stockage en lieu sûr - Classification des serrures haute sécurité en fonction de

leur résistance à l'effraction
Ta slovenski standard je istoveten z: prEN 1300
ICS:
13.310 Varstvo pred kriminalom Protection against crime
oSIST prEN 1300:2022 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 1300:2022
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oSIST prEN 1300:2022
DRAFT
EUROPEAN STANDARD
prEN 1300
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2021
ICS 13.310 Will supersede EN 1300:2018
English Version
Secure storage units - Classification for high security locks
according to their resistance to unauthorized opening

Unités de stockage en lieu sûr - Classification des Wertbehältnisse - Klassifizierung von

serrures haute sécurité en fonction de leur résistance à Hochsicherheitsschlössern nach ihrem

l'effraction Widerstandswert gegen unbefugtes Öffnen

This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee

CEN/TC 263.

If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations

which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other

language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC

Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are

aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without

notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 1300:2021 E

worldwide for CEN national Members.
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oSIST prEN 1300:2022
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oSIST prEN 1300:2022
prEN 1300:2021 (E)
Contents page

European foreword ....................................................................................................................................................... 4

Introduction..................................................................................................................................................................... 6

1 Scope .................................................................................................................................................................... 7

2 Normative references .................................................................................................................................... 7

3 Terms and definitions.................................................................................................................................... 8

4 Classification .................................................................................................................................................. 13

5 Requirements ................................................................................................................................................ 13

6 Technical documentation .......................................................................................................................... 22

7 Test specimens .............................................................................................................................................. 22

8 Test methods .................................................................................................................................................. 23

9 Test report ...................................................................................................................................................... 33

10 Marking ............................................................................................................................................................ 34

Annex A (normative) Parameters for installation and operation instructions .................................. 35

Annex B (normative) Determination of manipulation resistance due to the design

requirement ................................................................................................................................................... 37

Annex C (normative) Manufacturer's declaration ......................................................................................... 50

Annex D (informative) Typical locking device dimensions ....................................................................... 52

Annex E (normative) Determination of burglary resistance due to the design requirement ....... 53

Annex F (normative) Firmware declaration .................................................................................................... 54

Annex G (informative) A-deviations ................................................................................................................... 55

Bibliography ................................................................................................................................................................. 58

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oSIST prEN 1300:2022
prEN 1300:2021 (E)
European foreword

This document (prEN 1300:2021) has been prepared by Technical Committee CEN/TC 263 “Secure

storage of cash, valuables and data media”, the secretariat of which is held by BSI.

This document is currently submitted to the CEN Enquiry.
This document will supersede EN 1300:2018.
In comparison with EN 1300:2018, the following changes have been made:
General changes:
— references have been updated in Clause 2;

— definitions in Clause 3 have been added (opening event, opening related event, relevant audit

information, non relevant audit information). Other definitions have been updated (secured HSL

condition, fail secure, authentication, firmware);

— editorial changes for clarification in 5.1.5.1, 5.1.5.3, 5.1.6.6, 5.2.1, 5.2.6.4, 8.2.4.3.2, B.2.4 and Table 2.

Technical changes for any type of lock:
— updating requirement for indication of blocking status (5.1.2.5 and Annex A);

— changing test requirement from “normal condition” to “operating condition” in several clauses (see

5.2.8.1, 5.2.8.2, 8.2.5.1, 8.2.5.2, 5.3.1, 5.3.3, 8.2.6.1, 8.2.6.3.2, 8.2.6.3.3, 8.2.7.1, 8.2.7.2, 8.3.1.1, 8.3.2.1

and 8.3.3.1);
— number of test specimens changed from four to seven (see 7.1).
Technical changes for electronic locks:

— removal of requirements regarding distributed systems into the European Standard prEN 17646

(see Clause 1, 5.2.5.2, 5.2.5.4, Annex A, Annex F);

— raising encryption requirements for contactless electronic tokens for class B (from 64 bits to

128 bits, see 5.1.7.2.3) and for all classes, if the range is more than 15 cm (shall be tested according

to prEN 17646, see 5.1.7.2.1);

— Clause 5.1.7.2.4 is now also applicable for contacted electronic tokens (5.1.7.3);

— new minimum requirements for recording events (see 5.1.6.2);
— updating requirements for local firmware updates (see 5.1.8);
— adding tolerance for usable codes for electronic locks (see Table 1);

— including new requirements for the manipulation of electronic locks and mechanical locks with

electronic components 5.2.5.4, 8.2.2.1, Table 4 and Annex B;
— minor updates in 5.1.6.7.

This document reflects the market demand to include requirements for distributed systems and

electronic locks and responds to the state of the art requirements when it was written down.

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oSIST prEN 1300:2022
prEN 1300:2021 (E)

This document has been prepared by the Working Group 3 of CEN/TC 263 as one of a series of standards

for secure storage of cash valuable and data media. Other standards in the series are, among others:

— EN 1047-1, Secure storage units — Classification and methods of test for resistance to fire — Part 1:

Data cabinets and diskette inserts

— EN 1047-2, Secure storage units — Classification and methods of test for resistance to fire — Part 2:

Data rooms and data container

— EN 1143-1, Secure storage units — Requirements, classification and methods of test for resistance to

burglary — Part 1: Safes, ATM safes, strongroom doors and strongrooms

— EN 1143-2, Secure storage units — Requirements, classification and methods of test for resistance to

burglary — Part 2: Deposit systems

— EN 14450, Secure storage units — Requirements, classification and methods of test for resistance to

burglary — Secure safe cabinets
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oSIST prEN 1300:2022
prEN 1300:2021 (E)
Introduction

This document also specifies requirements for high security electronic locks (HSL) which are controlled

remotely. Regarding distributed systems, this standard responds to the state of the art requirements

when it was written down. It is mandatory that the standard has to be revised with a frequency of 3 years

as the research in the area of cryptography and relevant attacks evolve with high speed as well as the

referenced standards.
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oSIST prEN 1300:2022
prEN 1300:2021 (E)
1 Scope

This document specifies requirements for high security locks (HSL) for reliability, resistance to burglary

and unauthorized opening with methods of testing. It also provides a scheme for classifying HSL in

accordance with their assessed resistance to burglary and unauthorized opening.

It applies to mechanical and electronic HSL. For electronic locks used in a distributed system, see

prEN 17646 for further information.

The following features can be included as optional subjects but they are not mandatory:

a) recognized code for preventing code altering and/or enabling/disabling parallel codes;

b) recognized code for disabling time set up;
c) integration of alarm components or functions;
d) remote control duties;
e) resistance to attacks with acids;
f) resistance to X-rays;
g) resistance to explosives;
h) time functions.
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.

EN 1143-1, Secure storage units - Requirements, classification and methods of test for resistance to burglary

- Part 1: Safes, ATM safes, strongroom doors and strongrooms

EN 1143-2, Secure storage units - Requirements, classification and methods of tests for resistance to

burglary - Part 2: Deposit systems

prEN 17646, Secure storage units — Classification for high security locks according to their resistance to

unauthorized opening — distributed systems
EN 60068-2-1, Environmental testing - Part 2-1: Tests - Test A: Cold
EN 60068-2-2, Environmental testing - Part 2-2: Tests - Test B: Dry heat

EN 60068-2-6, Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal)

EN 61000-4-2, Electromagnetic compatibility (EMC) - Part 4-2: Testing and measurement techniques -

Electrostatic discharge immunity test

EN 61000-4-3, Electromagnetic compatibility (EMC) - Part 4-3: Testing and measurement techniques -

Radiated, radio-frequency, electromagnetic field immunity test

EN 61000-4-5, Electromagnetic compatibility (EMC) - Part 4-5: Testing and measurement techniques -

Surge immunity test
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oSIST prEN 1300:2022
prEN 1300:2021 (E)

EN ISO 6988, Metallic and other non-organic coatings - Sulfur dioxide test with general condensation of

moisture (ISO 6988:1985)

ISO/IEC 9798-2, IT Security techniques — Entity authentication — Part 2: Mechanisms using authenticated

encryption

ISO/IEC 9798-4, Information technology — Security techniques — Entity authentication — Part 4:

Mechanisms using a cryptographic check function
NIST/SP 800-57, Recommendation for Key Management — Part 1: General
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

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

— IEC Electropedia: available at https://www.electropedia.org/
— ISO Online browsing platform: available at https://www.iso.org/obp
3.1
High Security Lock
HSL
independent assembly normally fitted to doors of secure storage units

Note 1 to entry: Codes can be entered into an HSL for comparison with memorized codes (processing unit). A

correct match of an opening code allows movement of a blocking feature
3.2
code

identification information required which can be entered into a HSL and which, if correct, enables the

security status of the HSL to be changed
3.2.1
opening code
identification information which allows the HSL to be opened
3.2.2
recognized code

identification information which allows access to the processing unit and which may also be an opening

code

Note 1 to entry: Master codes, manager codes, authorization codes and services codes may fall under recognized

codes
3.2.3
duress code
parallel code which initiates some additional function
3.2.4
parallel code

opening code which has identical function to that of an existing opening code but constructed of different

figures
3.3
coding means
method by which the code is held
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oSIST prEN 1300:2022
prEN 1300:2021 (E)
3.3.1
material code
code defined by the physical features or other properties of a token
3.3.2
mnemonic code
remembered code consisting of numeric and/or alphabetic information
3.3.3
biometric code
code comprising human characteristics
3.3.4
one time code
code changing after each use generated by use of an algorithm
3.4
input unit
part of an HSL which communicates codes to a processing unit
3.5
processing unit

part of an HSL which evaluates whether the input code is correct and enables or prevents movement of a

locking device
3.6
locking device

mechanical unit as part of the HSL inside of the secure storage unit that contains the blocking feature, the

lock case, the lock cover and other mechanical and/or electronic parts
Note 1 to entry: An example of a locking device is shown in Annex D.
3.7
token
object whose physical form or properties defines a recognized code
EXAMPLE: A key

Note 1 to entry: An electronic token incorporates an integrated circuit containing volatile and non-volatile

memory, associated firmware/software and in many cases a microcontroller which communicates with an input

unit by contact or contactless means.
3.8
mechanical HSL
HSL which is secured by means of mechanical elements only
3.9
electronic HSL
HSL which is secured partly or fully by electrical or electronic elements
3.10
blocking feature

part of a HSL which, after inputting the correct opening code moves, or can be moved, typically this is a

bolt

Note 1 to entry: A blocking feature either secures a door or prevents movement of a boltwork. The bolt of a lock

is an example of a blocking feature.
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oSIST prEN 1300:2022
prEN 1300:2021 (E)
3.11
locking element
part of the HSL which enables the blocking feature to be moved
EXAMPLES Levers, spindles, wheels, motors, solenoids
3.12
destructive burglary

attack which damages the HSL in such a manner that it is irreversible and cannot be hidden from the

authorized user
3.13
reliability

ability to function and achieve the security requirements of this standard after a large number of duty

cycles
3.14
manipulation

method of attack aimed at removing the blocking function without causing damage obvious to the user

Note 1 to entry: A HSL may function after manipulation although its security could be permanently degraded.

3.15
spying
attempt to obtain unauthorized information
3.16
usable codes

codes or tokens permitted by the manufacturer and conforming to the requirements of this standard

Note 1 to entry: For mechanical HSL the number of usable codes is much less than the total number of codes to

which the HSL can be set.
3.17
scrambled condition

coding elements are not in the configuration necessary for the HSL to be opened without entering the

complete correct code or proper token
3.18
locking sequence

series of actions which start with an open door and are complete when the door is closed, bolted, locked

and secure
3.19
open door
door which is not in its frame
3.20
closed door
door which is within its frame ready for throwing its bolt(s)
3.21
bolted door

closed door where the bolts of the boltwork are thrown, but the HSL may still be open

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oSIST prEN 1300:2022
prEN 1300:2021 (E)
3.22
locked door

bolted door where the boltwork cannot be withdrawn because of the HSL locking device being thrown

3.23
secured door

door, which is closed, bolted and locked with an HSL in the secured HSL condition

3.24
secured HSL condition
the blocking feature is thrown and the HSL has been locked and scrambled
3.25
unsecured HSL condition
HSL not being in secure HSL condition
3.26
operating condition

HSL specimen is in the secured HSL condition and can be unlocked with the opening code(s), but not all

design functions are operable
3.27
fail secure

HSL specimen is in the secured HSL condition, but not all design functions are operable therefore it might

not be unlocked with the opening code(s)
3.28
Resistance Unit
value for burglary and manipulation resistance

Note 1 to entry: It shows a calculated result from using a tool with a certain value over a period of time.

3.29
penalty time
time delay because of time exceeding the limit of trials
3.30
authentication

method to prevent fraud by ensuring that communication can only be established after the identity of the

components have been properly confirmed
3.31
cryptographic algorithm

mathematical method for the transformation of data that includes the definition of parameters

EXAMPLE Key length and number of iterations or rounds.
3.31.1
asymmetric cryptographic algorithm

cryptographic algorithm that uses two related keys, a public key and a private key, which have the

property that deriving the private key from the public key is computationally infeasible

3.31.2
symmetric cryptographic algorithm

cryptographic algorithm that uses a single secret key for both encryption and decryption

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oSIST prEN 1300:2022
prEN 1300:2021 (E)
3.32
cryptographic key

parameter used in conjunction with a cryptographic algorithm which is used to control a cryptographic

process such as encryption, decryption or authentication

Note 1 to entry: Knowledge of an appropriate key allows correct en- and/or decryption or validation of a

message.
3.33
distributed system
system with components connected by a transmission system, wired or wireless

Note 1 to entry: It is assumed that the transmitted information can be accessed by a third party. A high security

lock with components in separate locations is defined as distributed system. A lock system with two input units,

one on the safe and the other remote (= distributed input unit) is an example of a distributed system. An electronic

lock with a non-accessible transmission system in the sense of 5.1.6.3 of this standard or with a temporary on-site

wired connection to a trusted device (e.g. trusted Personal Computer) supervised by an authorized person is not

considered as a distributed system.
3.34
encryption

procedure that renders the contents of a message or file unintelligible to anyone not authorized to read

Note 1 to entry: During the encryption procedure, a cryptographic algorithm using the cryptographic key is used

to transform plaintext into cipher text. This procedure is composed of:
— the mode of operation, describing the way to process data with the algorithm;

— the padding scheme, describing the way to fill up data strings to a defined length

3.35
transmission system
communication system between the elements of a distributed system

Note 1 to entry: Dedicated lines, wired and wireless public switched networks may be used as the transmission

path.
3.36
security relevant information

codes according to 3.2, authentications, any code or key transmissions and changes as well as firmware

updates of input and processing units
3.37
firmware
software code that operates the processing or input units of the HSL
3.38
trusted device

wire-connected device, on which no unauthorised person will have access to security-relevant

information
3.39
opening event

entry of an authorized code with the aim to change the HSL to unsecured HSL condition

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oSIST prEN 1300:2022
prEN 1300:2021 (E)

Note 1 to entry: The entry of an authorized code with the intention to change settings or for other purposes than

changing to unsecured HSL condition is not an opening event (for instance changing the time, adding users etc).

3.40
opening related event
recorded event, which is directly connected to an opening

EXAMPLES Entering an opening code, entering a partial opening code (dual code function), presenting

a token (for single or two factor authentication), activating the blocking unit after entering opening code,

opening the blocking device, changing HSL to secured condition, remote blocking status change

Note 1 to entry: It is not mandatory to store these events, but if they are stored the requirements in Clause 5.1.6.2

are relevant.
3.41
relevant audit information

recorded event, which is directly connected to the HSL and which is neither an opening event nor an

opening related event

EXAMPLES Activation of penalty time, adding new user, deleting user, tamper switch activation, time

delay change, time change, incorrect code entered, connection to a programming or auditing device

related to the HSL, low battery indication, change of user profiles, change of lock profiles, security and

communication error messages, lock reset

Note 1 to entry: It is not mandatory to store these events, but if they are stored the requirements in Clause 5.1.6.2

are relevant.
3.42
non relevant audit information
recorded event, which is not directly connected to the HSL

EXAMPLES Temperature, humidity, pressure, vibration, door opened, door closed, boltwork opened,

boltwork closed, connected to alarm systems (excluding duress alarm code as opening code), regular

battery status

Note 1 to entry: It is not mandatory to store these events, but if they are stored the requirements in Clause 5.1.6.2

are relevant.
4 Classification

HSL are classified to an HSL class (A, B, C or D) according to Table 1, Table 2 and Table 3 by their security

requirements. General requirements (see 5.1 and 5.2, 5.3) security and reliability requirements shall be

met.

NOTE HSL class A has the lowest requirements and HSL class D has the highest requirements.

5 Requirements
5.1 General requirements
5.1.1 General
All requirements shall be tested according to 8.1.2.
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oSIST prEN 1300:2022
prEN 1300:2021 (E)
5.1.2 Requirements for all classes

5.1.2.1 HSL shall only be opened by valid opening codes. The opening code(s) shall be retained as the

only valid opening code(s) until deliberately reset. Overlaying or undocumented code(s) are not

permitted.

5.1.2.2 Where mnemonic codes are used with a HSL these shall be able to be changed.

5.1.2.3 Any supplementary device (e.g. micro switch) which is fitted by the HSL manufacturer shall not

be capable of being used to obtain information about the code.

5.1.2.4 An input unit is a necessary part of a mnemonic and electronic HSL although one input unit may

operate more than one processing unit.

All HSL shall have a processing unit to validate the correct code. Each HSL shall also incorporate a

blocking feature or be capable of causing movement of a blocking feature. If this feature shall be activated

before first use a note to this effect is to be included in the instructions for the use of the lock

5.1.2.5 If the blocking feature is not moved manually there shall be a means of indicating whether the

HSL is in secured HSL condition. If the HSL does not fulfil the requirement by itself automatically and the

secure and locked condition can solely be checked by trying to turn the handle of the boltwork of the

secure storage unit, then specific requirements shall be included in the installation instructions as well

as in the operating instructions (according to Annex A).

5.1.2.6 An opening code shall not be capable of being altered or being changed other than by a recognized

code.
5.1.3 Class D HSL

5.1.3.1 Means shall be provided by which the locking status, locked or unlocked, is made obvious.

5.1.3.2 A mechanical combination HSL shall be in a scrambled condition after locking.

5.1.3.3 A class D HSL shall contain a device which indicates the scrambled condition.

5.1.4 Mechanical key operated HSL

5.1.4.1 For all mechanical key operated HSL (see Clause 4), the same codes for the key sets shall not be

repeated until 100 % of the usable codes have been used. If a manufacturer has more than one

manufacturing plant the requirement is to be applied per plant. No synchronization between the plants

is needed. However multiple manufacturing plants shall not start at the same code at the same time.

5.1.4.2 Codes (and sets of code tokens) shall be chosen at random.

5.1.4.3 There shall be no number or marking on either token or HSL which identifies the code. Also no

legitimization card shall be issued.

5.1.4.4 It shall not be possible to remove the key from a HSL whilst that HSL is in the open position except

for code changing. This requirement is applicable to all classes. Note that it is acceptable for this feature

to be activated immediately prior to the first use of the HSL.

5.1.4.5 The key shall not break under the applied maximum torque of 2,5 Nm. The test is to be conducted

according to 8.2.1.4.

5.1.4.6 In addition to the foregoing requirements the manufacturer is also to complete the declaration

set out in Annex C.
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5.1.5 Lift heights for mechanical key locks

5.1.5.1 The maximum allowed number of coding elements (levers) of the same lift height shall be

calculated by taking 40 % of the coding elements. Round the result according to the example below.

EXAMPLE If the result would be 0,405 the rounded result is 41 %. If the result would be 0,404 the rounded

result is 40 %.

5.1.5.2 Usable codes shall not have more than two neighbouring elements, e.g. two levers next to each

other, with the same lift height.

5.1.5.3 In usable codes, the difference between the highest and lowest lift height shall be equal or more

than 60 % of the maximum lift height difference of the HSL. Calculation shall be rounded according to the

example in 5.1.5.1.
5.1.6 Electronic HSL

5.1.6.1 Electronic HSL shall not require the use of electric power to stay in secured condition.

5.1.6.2 Electronic HSL as of class B and with more than 2 opening codes and all HSL of class C and D shall

fulfil the following:

The HSL shall retain the records of the opening events and shall have the means to retain the record for

at least 1 year, even in the event of a power failure.
The record shall not contain any security relevant information.
The minimum number of stored events shall fulfil one of the following:
a) have a minimum size of 2 000 entries or

b) store opening events (see 3.39) and audit entries relating to firmware updates in such a way that the

minimum requirements of Table 1 are always fulfilled or

c) shall have a minimum size according to the following formula. If non relevant audit entries are used,

these shall be stored in a separate memory:
R T+ T×∑OR+ 5×T×RE+F
( ) ( )
min
where
is the minimum total number of retained events;
min

OR is the number of different opening related events (see 3.40). The opening event itself is

not counted as OR;
...

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