Kouya Tochikubo

Improvement of information rates for specified participants in general secret sharing schemes

2016

We propose a new secret sharing scheme realizing general access structures, which is based on authorized subsets. In the proposed scheme, we can select a subset of participants without restrictions and reduce the number of …

Improvement of General Secret Sharing Scheme Reducing Shares Distributed to Specified Participants

2019 · IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences

In secret sharing schemes for general access structures, an important issue is the number of shares distributed to each participant. However, in general, the existing schemes are impractical in this respect when the size of …