ChaRVoC integrates voice biometrics, user secret keys, and dynamic challenges via a HashGray-XOR scheme to produce cancelable, unlinkable, non-invertible templates with liveness detection.
arXiv preprint arXiv:2402.18085 (2024)
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ChaRVoC: A Challenge-Response Voice Cancelable Authentication System
ChaRVoC integrates voice biometrics, user secret keys, and dynamic challenges via a HashGray-XOR scheme to produce cancelable, unlinkable, non-invertible templates with liveness detection.