New answers tagged multiparty-computation
0
votes
Is there a secure two party protocol that $P_1$ (with x as input) gets $rx+r'$ and $P_2$ gets $(r,r')$
This functionality can be instantiated using OLE (oblivious linear function evaluation). In a standard OLE, Alice gets (r, r'), Bob gets (x, y=rx+r'), where Alice picks r and Bob picks x. But if you ...
- 372
1
vote
Is there three-party protocol for Secure Equality Test (a.k.a Socialist Millionaire problem)?
For your first question, the second paper you linked (https://eprint.iacr.org/2019/599.pdf) is a multiparty protocol so the EQZ protocol in it works for three parties.
To the best of my knowledge, the ...
- 372
1
vote
How to do division in secure multi-party computation (mpc)?
Path 1: there is a protocol which lets you perform division. Suppose you're given $[x]$ and you want to compute $[x^{-1}]$:
Take a random element $[r]$
$[y] \gets [r] * [x]$
Open $[y]$ and obtain $y$
...
- 372
Top 50 recent answers are included