PAD Mechanism Identifiers


Organization Name Organization Identifier Hex Organization Identifier Decimal PAD Mechanism Identifier Hex PAD Mechanism Identifier Decimal Description
ISO/IEC JTC 1 SC 37 Biometrics 101 257 1 1 PAD identifier 1: Challenge/involuntary response
ISO/IEC JTC 1 SC 37 Biometrics 101 257 2 2 PAD identifier 2: Challenge/voluntary response
ISO/IEC JTC 1 SC 37 Biometrics 101 257 3 3 Challenge/response as a combination of what you are and what you know
ISO/IEC JTC 1 SC 37 Biometrics 101 257 4 4 PAD Identifier 4: Non-stimulated observation of liveness



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