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Work item:
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X.1098 (ex X.tis)
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Subject/title:
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Telebiometric authentication based on information splitting
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Status:
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Consented on 2025-12-11 [Issued from previous study period]
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Approval process:
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AAP
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Type of work item:
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Recommendation
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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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2025-12 (No priority specified)
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Liaison:
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ISO/IEC JTC 1/SC 27, ISO/IEC JTC 1/SC 37
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Supporting members:
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Korea (Republic of), KISA
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Summary:
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Telebiometric authentication is a kind of personal verification based on physical or behavioural characteristics of an individual through telecommunications. The verification process involves comparing these characteristics with the biometric reference stored during the registration phase to confirm a user’s identity. Telebiometric authentication systems have diverse architectures, depending on the location and connection method of the subsystems of the biometric system. Each architecture has specific security considerations, and in particular, when it comes to storing biometric information, privacy of the data subject may at risk, therefore proper countermeasures are required.
In this regard, splitting the biometric reference can minimize security risks associated with biometric authentication process. The main principle is to split the biometric reference into pieces and store them in different locations, preventing any party from having complete information. When the biometric reference is first encrypted and then divided, each split piece does not have any biometric information. Thus, even in the event of accidental disclosure of any party, the recovery of the complete biometric reference from the disclosed piece is not possible.
This Recommendation provides a framework for telebiometric authentication based on information splitting. It describes information splitting techniques and telebiometric authentication models to ensure the security of biometric references but also presents enhanced authentication mechanisms using split biometric references.
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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:
2024-03-12 15:36:39
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Last update:
2026-02-12 10:07:41
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