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CAN/CSA-ISO/IEC 11770-3:16

Current
Current

The latest, up-to-date edition.

Information technology - Security techniques - Key management - Part 3: Mechanisms using asymmetric techniques (Adopted ISO/IEC 11770-3:2015, third edition, 2015-08-01)
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2016

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Requirements
6 Key derivation functions
7 Cofactor multiplication
8 Key commitment
9 Key confirmation
10 Framework for key management
11 Key agreement
12 Secret key transport
13 Public key transport
Annex A (normative) - Object identifiers
Annex B (informative) - Properties of key establishment
        mechanisms
Annex C (informative) - Examples of key derivation functions
Annex D (informative) - Examples of key establishment mechanisms
Annex E (informative) - Examples of elliptic curve based key
        establishment mechanisms
Annex F (informative) - Example of bilinear pairing based key
        establishment mechanisms
Annex G (informative) - Secret key transport
Annex H (informative) - Patent information
Bibliography

Specifies key management mechanisms based on asymmetric cryptographic techniques.

CSA Preface Standards development within the Information Technology sector is harmonized with international standards development. Through the CSA Technical Committee on Information Technology (TCIT), Canadians serve as the SCC Mirror Committee (SMC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of the International Telecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T). For brevity, this Standard will be referred to as "CAN/CSA-ISO/IEC 11770-3" throughout. This Standard supersedes CAN/CSA-ISO/IEC 11770-3:09 (adopted ISO/IEC 11770-3:2008). At the time of publication, ISO/IEC 11770-3:2015 is available from ISO and IEC in English only. CSA Group will publish the French version when it becomes available from ISO and IEC. Scope This part of ISO/IEC 11770 defines key management mechanisms based on asymmetric cryptographic techniques. It specifically addresses the use of asymmetric techniques to achieve the following goals. a) Establish a shared secret key for use in a symmetric cryptographic technique between two entities A and B by key agreement. In a secret key agreement mechanism, the secret key is computed as the result of a data exchange between the two entities A and B. Neither of them should be able to predetermine the value of the shared secret key. b) Establish a shared secret key for use in a symmetric cryptographic technique between two entities A and B via key transport. In a secret key transport mechanism, the secret key is chosen by one entity A and is transferred to another entity B, suitably protected by asymmetric techniques. c) Make an entitys public key available to other entities via key transport. In a public key transport mechanism, the public key of entity A shall be transferred to other entities in an authenticated way, but not requiring secrecy. Some of the mechanisms of this part of ISO/IEC 11770 are based on the corresponding authentication mechanisms in ISO/IEC 9798-3. This part of ISO/IEC 11770 does not cover certain aspects of key management, such as key lifecycle management mechanisms to generate or validate asymmetric key pairs, and mechanisms to store, archive, delete, destroy, etc. keys. While this part of ISO/IEC 11770 does not explicitly cover the distribution of an entitys private key (of an asymmetric key pair) from a trusted third party to a requesting entity, the key transport mechanisms described can be used to achieve this. A private key can in all cases be distributed with these mechanisms where an existing, non-compromised key already exists. However, in practice the distribution of private keys is usually a manual process that relies on technological means such as smart cards, etc. This part of ISO/IEC 11770 does not specify the transformations used in the key management mechanisms. NOTE To provide origin authentication for key management messages, it is possible to make provisions for authenticity within the key establishment protocol or to use a public key signature system to sign the key exchange messages.

DocumentType
Standard
ISBN
978-1-4883-0595-5
Pages
0
PublisherName
Canadian Standards Association
Status
Current
Supersedes

Standards Relationship
ISO/IEC 11770-3:2015 Identical

ISO/IEC 18031:2011 Information technology Security techniques Random bit generation
ISO/IEC 9798-3:1998 Information technology Security techniques Entity authentication Part 3: Mechanisms using digital signature techniques
ISO/IEC 15946-1:2016 Information technology Security techniques Cryptographic techniques based on elliptic curves Part 1: General
ISO/IEC 14888-3:2016 Information technology — Security techniques — Digital signatures with appendix — Part 3: Discrete logarithm based mechanisms
ISO/IEC 11770-6:2016 Information technology Security techniques Key management Part 6: Key derivation
ISO/IEC 9796-3:2006 Information technology — Security techniques — Digital signature schemes giving message recovery — Part 3: Discrete logarithm based mechanisms
ISO/IEC 10181-1:1996 Information technology Open Systems Interconnection Security frameworks for open systems: Overview
ISO/IEC 9594-8:2017 Information technology Open Systems Interconnection The Directory Part 8: Public-key and attribute certificate frameworks
ISO 7498-2:1989 Information processing systems Open Systems Interconnection Basic Reference Model Part 2: Security Architecture
ISO/IEC 29150:2011 Information technology — Security techniques — Signcryption
ISO/IEC 9796-2:2010 Information technology Security techniques Digital signature schemes giving message recovery Part 2: Integer factorization based mechanisms
ANSI X9.63 : 2011 FINANCIAL SERVICES - PUBLIC KEY CRYPTOGRAPHY FOR THE FINANCIAL SERVICES INDUSTRY, KEY AGREEMENT AND KEY TRANSPORT USING ELLIPTIC CURVE CRYPTOGRAPHY
ISO/IEC 14888-2:2008 Information technology Security techniques Digital signatures with appendix Part 2: Integer factorization based mechanisms
ISO/IEC 11770-1:2010 Information technology Security techniques Key management Part 1: Framework
ANSI X9.42 : 2003(R2013) PUBLIC KEY CRYPTOGRAPHY FOR THE FINANCIAL SERVICES: AGREEMENT OF SYMMETRIC KEYS USING DISCRETE LOGARITHM CRYPTOGRAPHY

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