20/30388515 DC - BS ISO/IEC 11770-5. Information technology. Security techniques. Key management. Part 5. Group key management

20/30388515 DC

BS ISO/IEC 11770-5. Information technology. Security techniques. Key management. Part 5. Group key management

Status : Current, Draft for public comment   Published : February 2020

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PDF

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This document specifies mechanisms to establish shared symmetric keys between groups of entities. It defines symmetric key-based key establishment mechanisms for multiple entities with a key distribution centre (KDC), and defines symmetric key establishment mechanisms based on a general tree-based logical key structure with both individual rekeying and batched rekeying. It also defines key establishment mechanisms based on a key chain with group forward secrecy, group backward secrecy, or both group forward and backward secrecy.

This document also describes the required content of messages which carry keying material or are necessary to set up the conditions under which the keying material can be established. However, this document does not specify information that has no relation with key establishment mechanisms, nor does it specify other messages such as error messages. The explicit format of messages is not within the scope of this document.

This document does not specify the means to be used to establish the initial secret keys required to be shared between each entity and the KDC, nor key lifecycle management. This document also does not explicitly address the issue of interdomain key management.

Annex A lists the object identifiers assigned to the mechanisms specified in this document. For information purposes, a load balancing mechanism for a general tree structure is described in Annex B.




Standard Number20/30388515 DC
TitleBS ISO/IEC 11770-5. Information technology. Security techniques. Key management. Part 5. Group key management
StatusCurrent, Draft for public comment
Publication Date17 February 2020
Normative References(Required to achieve compliance to this standard)ISO/IEC 11770-6, ISO/IEC 19772
Informative References(Provided for Information)ISO/IEC 19790, ISO/IEC 11770-3, ISO/IEC 10118-3, ISO/IEC 18031, ISO/IEC 11770-1, ISO/IEC 9797-2, ISO/IEC 9797-1
International RelationshipsISO/IEC DIS 11770-5
Draft Expiry Date11 April 2020
DescriptorsData management, Data security, Data transmission, Symmetrical, Information exchange, Data storage protection, Coding (programming), Keys (cryptographic), Data processing, Cryptography, Algorithms
ICS35.030
Title in FrenchTechnologies de l'information — Techniques de sécurité — Gestion de clés — Partie 5: Gestion de clés de groupe Partie 5: Gestion de clés de groupe
CommitteeIST/33/2
PublisherBSI
FormatA4
DeliveryYes
Pages24
File Size1.105 MB
NotesWarning: this draft is not current beyond its expiry date for comments.
Price£20.00


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