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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 the 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 the user’s identity. Telebiometric authentication systems have diverse architectures, depending on the location and connection method of the subsystems establishing the biometric system. Each architecture has various security considerations, and in particular, when it comes to storing biometric information, it has a risk that threatens the privacy of the data subject, so proper countermeasures are required.
In this regard, splitting the biometric reference can minimize the security risks associated with the 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 not only provides splitting techniques considering the security of biometric references in the storage but also provides telebiometric 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:
2026-01-14 13:22:59
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