146 reputation
1
bio website
location
age
visits member for 2 years, 9 months
seen Sep 7 at 3:40

Dec
16
comment How do you find a cheater in Shamir Secret Sharing?
Yes, there is only one cheater.
Dec
16
comment How do you find a cheater in Shamir Secret Sharing?
All four parties. But only two should be needed to figure out the secret.
Dec
16
comment How do you find a cheater in Shamir Secret Sharing?
No, only the x and f(x) values are given. I was going to use a Lagrange expansion to solve the polynomial, but then I realized I did not know how to catch the cheater.