| Version | WINBIO_ADAPTER_INTERFACE_VERSION | 4 | +0 | +0 |
| Type | DWORD | 4 | +4 | +4 |
| Size | UINT_PTR | 8/4 | +8 | +8 |
| AdapterId | GUID | 16 | +16 | +12 |
| Attach | PIBIO_ENGINE_ATTACH_FN | 8/4 | +32 | +28 |
| Detach | PIBIO_ENGINE_DETACH_FN | 8/4 | +40 | +32 |
| ClearContext | PIBIO_ENGINE_CLEAR_CONTEXT_FN | 8/4 | +48 | +36 |
| QueryPreferredFormat | PIBIO_ENGINE_QUERY_PREFERRED_FORMAT_FN | 8/4 | +56 | +40 |
| QueryIndexVectorSize | PIBIO_ENGINE_QUERY_INDEX_VECTOR_SIZE_FN | 8/4 | +64 | +44 |
| QueryHashAlgorithms | PIBIO_ENGINE_QUERY_HASH_ALGORITHMS_FN | 8/4 | +72 | +48 |
| SetHashAlgorithm | PIBIO_ENGINE_SET_HASH_ALGORITHM_FN | 8/4 | +80 | +52 |
| QuerySampleHint | PIBIO_ENGINE_QUERY_SAMPLE_HINT_FN | 8/4 | +88 | +56 |
| AcceptSampleData | PIBIO_ENGINE_ACCEPT_SAMPLE_DATA_FN | 8/4 | +96 | +60 |
| ExportEngineData | PIBIO_ENGINE_EXPORT_ENGINE_DATA_FN | 8/4 | +104 | +64 |
| VerifyFeatureSet | PIBIO_ENGINE_VERIFY_FEATURE_SET_FN | 8/4 | +112 | +68 |
| IdentifyFeatureSet | PIBIO_ENGINE_IDENTIFY_FEATURE_SET_FN | 8/4 | +120 | +72 |
| CreateEnrollment | PIBIO_ENGINE_CREATE_ENROLLMENT_FN | 8/4 | +128 | +76 |
| UpdateEnrollment | PIBIO_ENGINE_UPDATE_ENROLLMENT_FN | 8/4 | +136 | +80 |
| GetEnrollmentStatus | PIBIO_ENGINE_GET_ENROLLMENT_STATUS_FN | 8/4 | +144 | +84 |
| GetEnrollmentHash | PIBIO_ENGINE_GET_ENROLLMENT_HASH_FN | 8/4 | +152 | +88 |
| CheckForDuplicate | PIBIO_ENGINE_CHECK_FOR_DUPLICATE_FN | 8/4 | +160 | +92 |
| CommitEnrollment | PIBIO_ENGINE_COMMIT_ENROLLMENT_FN | 8/4 | +168 | +96 |
| DiscardEnrollment | PIBIO_ENGINE_DISCARD_ENROLLMENT_FN | 8/4 | +176 | +100 |
| ControlUnit | PIBIO_ENGINE_CONTROL_UNIT_FN | 8/4 | +184 | +104 |
| ControlUnitPrivileged | PIBIO_ENGINE_CONTROL_UNIT_PRIVILEGED_FN | 8/4 | +192 | +108 |
| NotifyPowerChange | PIBIO_ENGINE_NOTIFY_POWER_CHANGE_FN | 8/4 | +200 | +112 |
| Reserved_1 | PIBIO_ENGINE_RESERVED_1_FN | 8/4 | +208 | +116 |
| PipelineInit | PIBIO_ENGINE_PIPELINE_INIT_FN | 8/4 | +216 | +120 |
| PipelineCleanup | PIBIO_ENGINE_PIPELINE_CLEANUP_FN | 8/4 | +224 | +124 |
| Activate | PIBIO_ENGINE_ACTIVATE_FN | 8/4 | +232 | +128 |
| Deactivate | PIBIO_ENGINE_DEACTIVATE_FN | 8/4 | +240 | +132 |
| QueryExtendedInfo | PIBIO_ENGINE_QUERY_EXTENDED_INFO_FN | 8/4 | +248 | +136 |
| IdentifyAll | PIBIO_ENGINE_IDENTIFY_ALL_FN | 8/4 | +256 | +140 |
| SetEnrollmentSelector | PIBIO_ENGINE_SET_ENROLLMENT_SELECTOR_FN | 8/4 | +264 | +144 |
| SetEnrollmentParameters | PIBIO_ENGINE_SET_ENROLLMENT_PARAMETERS_FN | 8/4 | +272 | +148 |
| QueryExtendedEnrollmentStatus | PIBIO_ENGINE_QUERY_EXTENDED_ENROLLMENT_STATUS_FN | 8/4 | +280 | +152 |
| RefreshCache | PIBIO_ENGINE_REFRESH_CACHE_FN | 8/4 | +288 | +156 |
| SelectCalibrationFormat | PIBIO_ENGINE_SELECT_CALIBRATION_FORMAT_FN | 8/4 | +296 | +160 |
| QueryCalibrationData | PIBIO_ENGINE_QUERY_CALIBRATION_DATA_FN | 8/4 | +304 | +164 |
| SetAccountPolicy | PIBIO_ENGINE_SET_ACCOUNT_POLICY_FN | 8/4 | +312 | +168 |
| CreateKey | PIBIO_ENGINE_CREATE_KEY_FN | 8/4 | +320 | +172 |
| IdentifyFeatureSetSecure | PIBIO_ENGINE_IDENTIFY_FEATURE_SET_SECURE_FN | 8/4 | +328 | +176 |
| AcceptPrivateSensorTypeInfo | PIBIO_ENGINE_ACCEPT_PRIVATE_SENSOR_TYPE_INFO_FN | 8/4 | +336 | +180 |
| CreateEnrollmentAuthenticated | PIBIO_ENGINE_CREATE_ENROLLMENT_AUTHENTICATED_FN | 8/4 | +344 | +184 |
| IdentifyFeatureSetAuthenticated | PIBIO_ENGINE_IDENTIFY_FEATURE_SET_AUTHENTICATED_FN | 8/4 | +352 | +188 |