Abstract:
We propose a modification of a multi-signature scheme, which was previously used as an enhancement of multi-signatures for the Bitcoin cryptocurrency. Our scheme is secur...Show MoreMetadata
Abstract:
We propose a modification of a multi-signature scheme, which was previously used as an enhancement of multi-signatures for the Bitcoin cryptocurrency. Our scheme is secure in a new stronger security model in which we allow the forger to inject or control the ephemeral (randomness) values in the end-user's signing device. Thus, our modified scheme is resistant to ephemeral key leakage attacks. We also provide a proof of concept implementation of our scheme, providing a time complexity and performance analysis.
Date of Conference: 23-26 November 2021
Date Added to IEEE Xplore: 31 January 2022
ISBN Information: