Crate uvb_biometric_security 

Biometric Security Enhancements

Enterprise-grade biometric authentication security to address:

• Risk #6: Biometric spoofing attacks (deepfake voice, fingerprint molds)

Features

• User Verification (UV) Enforcement: Require UV=true in WebAuthn
• Liveness Detection Validation: Verify authenticator supports liveness
• Step-Up Authentication: Require additional auth for sensitive operations
• Risk-Based Re-Verification: Re-verify biometrics based on risk
• Biometric Quality Checks: Validate biometric quality scores
• Authenticator Attestation: Verify authenticator capabilities
• Usage Tracking: Monitor biometric usage patterns
• Anomaly Detection: Detect suspicious biometric usage

Structs

AuthenticatorCapabilities

Authenticator capabilities

BiometricPolicy

Biometric policy

BiometricSecurityManager

Biometric security manager

BiometricVerification

Biometric verification

InMemoryBiometricStorage

In-memory storage for testing

Enums

BiometricError

Errors that can occur in biometric security

BiometricModality

Biometric modality

CertificationLevel

Certification level (FIDO)

OperationSensitivity

Operation sensitivity level

RiskLevel

Risk level

Traits

BiometricStorage

Storage trait for biometric security