Osong Medical Innovation Foundation, Korea University Research and Business Foundation

Agency for Defense Development

Kwang Su Lee

So Hyun Park

Jong Hwan Park

Donghwan Lee

Joo Woo

Myung Kil Ahn

According to an embodiment of the present disclosure, a ring-learning with rounding (LWR)-based quantum-resistant signature method includes: a key generation step of receiving a security parameter, and outputting a signature key and a verification key, via an operation on a ring defined by a cyclotomic equation including three terms; a signature value output step of outputting a signature value based on the output signature key; and a signature verification step of calculating an operation value based on the output verification key and signature value, and verifying a signature based on a result of comparing the output signature value with the calculated operation value.

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Seoul, South Korea

Kwang Su Lee