Haoran Ning edited Broadcast and Multicast Encryption.tex  about 10 years ago

Commit id: b260341d1aea9bb414f801d5ffa94fbaea7749bf

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\item Initialization  \begin{itemize}  \item Pick prime P s.t. $P = 2q + 1$ (sophie germaine prime)  \item Find a generator $g$ of a subgroup of $Z_p^*$ of size order  q(half of primes fill this requirement)  \item $k' = g^{rf(0)} mod p$ where $r \in_R Z_p^*$  \item Share distribution: (t,n)  \\ $u_i \leftarrow (i, f(i))$