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CAN/CSA-ISO/IEC 9798-5-05
Information Technology - Security Techniques - Entity Authentication - Part 5: Mechanisms Using Zero-Knowledge Techniques (Adopted ISO/IEC 9798-5:2004, second edition, 2004-12-01)
SKU: 2417419
Published by CSA Group
Publication Year 2005
61 pages
Withdrawn
Product Details
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 Canadian Advisory Committee (CAC) 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).
This Standard supersedes CAN/CSA-ISO/IEC 9798-5:02 (adoption of ISO/IEC 9798-5:1999).
At the time of publication, ISO/IEC 9798-5:2004 is available from ISO and IEC in English only. CSA will publish the French version when it becomes available from ISO and IEC.
Scope
This part of ISO/IEC 9798 specifies entity authentication mechanisms using zero-knowledge techniques. - Clause 5 specifies mechanisms (already present in the first edition, ISO/IEC 9798-4:1999) based on identities and providing unilateral authentication. They have been repaired after the withdrawal of ISO/IEC 9796:1991. - Clause 6 specifies mechanisms (inserted in this second edition) based on integer factorization and providing unilateral authentication. - Clauses 7 and 8 specify mechanisms based on discrete logarithms with respect to numbers that are either prime (see Clause 7, mechanisms already present in the first edition) or composite (see Clause 8, mechanisms inserted in the second edition), and providing unilateral authentication. - Clause 9 specifies mechanisms based on asymmetric encipherment systems and providing either unilateral (see 9.3, mechanisms already present in the first edition), or mutual (see 9.4, mechanisms inserted in the second edition) authentication.
The verifier associates the correct verification key with the claimant by any appropriate procedure, for example, by retrieving it from a certificate. Such procedures are outside the scope of this part of ISO/IEC 9798.
To identify each mechanism, Annex A specifies object identifiers in accordance with ISO/IEC 8825-1. These mechanisms are constructed using the principles of zero-knowledge techniques, but they will not be zero-knowledge according to the strict definition sketched in Annex B for every choice of parameters. Annex C compares the mechanisms and provides guidance on parameter choices. Annex D provides numerical examples.
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 Canadian Advisory Committee (CAC) 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).
This Standard supersedes CAN/CSA-ISO/IEC 9798-5:02 (adoption of ISO/IEC 9798-5:1999).
At the time of publication, ISO/IEC 9798-5:2004 is available from ISO and IEC in English only. CSA will publish the French version when it becomes available from ISO and IEC.
Scope
This part of ISO/IEC 9798 specifies entity authentication mechanisms using zero-knowledge techniques. - Clause 5 specifies mechanisms (already present in the first edition, ISO/IEC 9798-4:1999) based on identities and providing unilateral authentication. They have been repaired after the withdrawal of ISO/IEC 9796:1991. - Clause 6 specifies mechanisms (inserted in this second edition) based on integer factorization and providing unilateral authentication. - Clauses 7 and 8 specify mechanisms based on discrete logarithms with respect to numbers that are either prime (see Clause 7, mechanisms already present in the first edition) or composite (see Clause 8, mechanisms inserted in the second edition), and providing unilateral authentication. - Clause 9 specifies mechanisms based on asymmetric encipherment systems and providing either unilateral (see 9.3, mechanisms already present in the first edition), or mutual (see 9.4, mechanisms inserted in the second edition) authentication.
The verifier associates the correct verification key with the claimant by any appropriate procedure, for example, by retrieving it from a certificate. Such procedures are outside the scope of this part of ISO/IEC 9798.
To identify each mechanism, Annex A specifies object identifiers in accordance with ISO/IEC 8825-1. These mechanisms are constructed using the principles of zero-knowledge techniques, but they will not be zero-knowledge according to the strict definition sketched in Annex B for every choice of parameters. Annex C compares the mechanisms and provides guidance on parameter choices. Annex D provides numerical examples.
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