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Work item:
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TR.ibc-cd
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Subject/title:
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Guidelines for identity-based cryptosystems used for cross-domain secure communications
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Status:
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Agreed on 2023-03-03 [Issued from previous study period]
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Approval process:
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Agreement
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Type of work item:
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Technical report
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Version:
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New
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Equivalent number:
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-
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Timing:
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-
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Liaison:
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-
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Supporting members:
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-
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Summary:
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Secure communications take place not only within an operator’s network but also across operators’ networks. Public key cryptosystem has become the foundation for the secure communications since it has been invented. Identity-based public key cryptography (ID-PKC) system has the advantage over the PKI-based public key cryptography (PKI-PKC) system as ID-PKC remove the need for the certificate management. However, current bootstrap schemes for ID-PKC rely on the availability of the PKI. Multi-CA trust issue in the PKI-PKC system is transmitted to the ID-PKC system.
In this Technical Report, the secure bootstrap of an ID-PKC without relying on PKI is studied. The weaknesses of current IBC systems for cross-domain secure communications are identified and potential solutions to overcome the weaknesses are introduced. Further, the evaluation of these solutions and way forward to standardization is given.
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Comment:
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-
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Reference(s):
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Historic references:
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Contact(s):
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| ITU-T A.5 justification(s): |
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First registration in the WP:
2021-05-03 14:06:09
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Last update:
2023-03-28 14:49:14
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