Nec corporation (20240430100). DIGITAL SIGNATURE SYSTEM AND METHOD

DIGITAL SIGNATURE SYSTEM AND METHOD

Organization Name

nec corporation

Inventor(s)

Haruna Fukuda of Tokyo (JP)

Toshiyuki Isshiki of Tokyo (JP)

DIGITAL SIGNATURE SYSTEM AND METHOD

This abstract first appeared for US patent application 20240430100 titled 'DIGITAL SIGNATURE SYSTEM AND METHOD

Original Abstract Submitted

a digital signature system includes a first and second signature generation apparatuses. the second signature generation apparatus receives a first parameter generated using at least first biometric information to stores the first parameter in a storage. the first signature generation apparatus generates a second parameter using at least second biometric information for transmission to the second signature generation apparatus, which generates a second signature for a message to be signed using the first parameter and the second parameter for transmission to the first signature generation apparatus. the first signature generation apparatus generates a first signature for the message based on at least the second signature and outputs the first signature.