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ISO 20215:2015

(Main)

Space data and information transfer systems — CCSDS cryptographic algorithms

Space data and information transfer systems — CCSDS cryptographic algorithms

The algorithms contained in ISO 20215:2015 are recommended for use on space missions with a requirement for information (e.g., data, voice, and video) confidentiality, authentication, or authenticated confidentiality. The algorithms may be employed on any or all mission communications links such as the forward space link (e.g., telecommand), the return space link (e.g., telemetry, science data), as well as across the ground data network. They could as well be used to ensure confidentiality and authenticity of stored data. A symmetric algorithm assumes that all communicating entities possess a shared secret (i.e., a ?key') which enables them to encrypt, decrypt, and authenticate information shared among them. The manner in which the shared secret is distributed and managed (key management) is not within the scope of this document. Further information on key management can be found in Space Missions Key Management Concept (reference [B22]).

Systèmes de transfert des informations et données spatiales — Algorithmes cryptographiques CCSDS

General Information

Status
Published
Publication Date
10-Aug-2015
ICS
49.140 - Space systems and operations
Technical Committee
ISO/TC 20/SC 13 - Space data and information transfer systems
Drafting Committee
ISO/TC 20/SC 13 - Space data and information transfer systems
Current Stage
9093 - International Standard confirmed
Completion Date
14-Nov-2023
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ISO 20215:2015 - Space data and information transfer systems -- CCSDS cryptographic algorithmsISO 20215:2015 - Space data and information transfer systems -- CCSDS cryptographic algorithms
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ISO 20215:2015 - Space data and information transfer systems -- CCSDS cryptographic algorithms
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INTERNATIONAL ISO
STANDARD 20215
First edition
2015-08-15
Space data and information transfer
systems — CCSDS cryptographic
algorithms
Systèmes de transfert des informations et données spatiales —
Algorithmes cryptographiques CCSDS
Reference number
ISO 20215:2015(E)
©
ISO 2015

---------------------- Page: 1 ----------------------
ISO 20215:2015(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2015, Published in Switzerland
All rights reserved. Unless otherwise specified, 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
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2015 – All rights reserved

---------------------- Page: 2 ----------------------
ISO 20215:2015(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 20215 was prepared by the Consultative Committee for Space Data Systems (CCSDS) (as
CCSDS 352.0-B-1, November 2012) and was adopted (without modifications except those stated in clause 2
of this International Standard) by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee
SC 13, Space data and information transfer systems.

© ISO 2015 – All rights reserved iii

---------------------- Page: 3 ----------------------
Recommendation for Space Data System Standards
CCSDS
CRYPTOGRAPHIC
ALGORITHMS
RECOMMENDED STANDARD
CCSDS 352.0-B-1
BLUE BOOK
November 2012

---------------------- Page: 4 ----------------------
ISO 20215:2015(E)
CCSDS RECOMMENDED STANDARD FOR CRYPTOGRAPHIC ALGORITHMS
AUTHORITY



Issue: Recommended Standard, Issue 1
Date: November 2012
Location: Washington, DC, USA

This document has been approved for publication by the Management Council of the
Consultative Committee for Space Data Systems (CCSDS) and represents the consensus
technical agreement of the participating CCSDS Member Agencies. The procedure for
review and authorization of CCSDS documents is detailed in Organization and Processes for
the Consultative Committee for Space Data Systems, and the record of Agency participation
in the authorization of this document can be obtained from the CCSDS Secretariat at the
address below.


This document is published and maintained by:

CCSDS Secretariat
Space Communications and Navigation Office, 7L70
Space Operations Mission Directorate
NASA Headquarters
Washington, DC 20546-0001, USA
CCSDS 352.0-B-1 Page i November 2012
© ISO 2015 – All rights reserved

---------------------- Page: 5 ----------------------
ISO 20215:2015(E)
CCSDS RECOMMENDED STANDARD FOR CRYPTOGRAPHIC ALGORITHMS
STATEMENT OF INTENT
The Consultative Committee for Space Data Systems (CCSDS) is an organization officially
established by the management of its members. The Committee meets periodically to address
data systems problems that are common to all participants, and to formulate sound technical
solutions to these problems. Inasmuch as participation in the CCSDS is completely
voluntary, the results of Committee actions are termed Recommended Standards and are
not considered binding on any Agency.
This Recommended Standard is issued by, and represents the consensus of, the CCSDS
members. Endorsement of this Recommendation is entirely voluntary. Endorsement,
however, indicates the following understandings:
o Whenever a member establishes a CCSDS-related standard, this standard will be in
accord with the relevant Recommended
...

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