Zero-knowledge multiparty secure sharing of voiceprints

P Gupta, T Nelms - US Patent 10,873,461, 2020 - Google Patents
Disclosed herein are embodiments of systems and methods for zero-knowledge multiparty
secure sharing of voiceprints. In an embodiment, an illustrative computer may receive …

Privacy preserving set-based biometric authentication

J Hartloff, A Mandal, A Roy - US Patent 9,967,101, 2018 - Google Patents
A method includes extracting a set of enrollment feature points from an enrollment biometric
measurement. The method also includes randomly selecting one or more enrollment code …

Relational encryption for password verification

R Kamakari, T Shimoyama, H Tsuda… - US Patent …, 2018 - Google Patents
A method of equality verification using relational encryption including receiving a relational
key that includes a first relational key component and a registration ciphertext that includes …

Biometric signature system, signature verification method, registration terminal, signature generation terminal, and signature verification device

K Takahashi - US Patent 10,057,068, 2018 - Google Patents
A biometric signature system generates a digital signature for electronic documents using
biometric information as a secret key. Registration commitment information is generated by …

Relational encryption

R Kamakari, T Shimoyama, H Tsuda… - US Patent …, 2017 - Google Patents
A method includes receiving biometric data, the biometric data non-uniformly distributed and
processing the biometric data to a level of randomness as a plaintext vector, the level of …

Leveraging multiple audio channels for authentication

P Gupta, IIT NELMS - US Patent 10,665,244, 2020 - Google Patents
Disclosed herein are embodiments of systems, methods, and products comprises an
authentication server for authentication leveraging multiple audio channels. The server …

Using biometric features for user authentication

LIN Junsui - US Patent 10,659,230, 2020 - Google Patents
An authentication request is sent to a server. An authentication request reply message is
received from the server. A biometric feature input by a user is received. A biometric feature …

Privacy preserving biometric authentication based on error correcting codes

A Mandal, A Roy - US Patent 9,438,590, 2016 - Google Patents
BACKGROUND Security may become important for electronic devices and services. As
security increases in importance, innovators are looking to new or different forms of …

Touchless fingerprinting acquisition and processing application for mobile devices

IICW Hatcher, RR Butler, WC Lucas… - US Patent …, 2016 - Google Patents
This disclosure is of a biometric authentication system and method. The system includes a
mobile device having a camera and a screen, and a database. The system is programmed …

Relational encryption

A Mandal, A Roy, H Montgomery - US Patent 9,674,189, 2017 - Google Patents
(57) ABSTRACT A method includes receiving a first message that includes a first relational
key element based on a first group element, and a second relational key element based on …