Function Encrypt_Rq_Element

FHEOffline/DistKeyGen.cpp:15–26

* This creates the "pseudo-encryption" of the R_q element mess, * - As required for key switching. */

 *   - As required for key switching.
 */
void Encrypt_Rq_Element(Ciphertext& c,const Rq_Element& mess, const Random_Coins& rc,
        const FHE_PK& pk)
{
    auto c1 = pk.a() * rc.u() + rc.v() * pk.p();
    auto c0 = pk.b() * rc.u();
    auto edd = rc.w() * pk.p();

    edd.change_rep(evaluation,evaluation);
    add(edd,edd,mess);
    add(c0,c0,edd);
    c.set(c0,c1,pk);
}


void DistKeyGen::fake(FHE_PK& pk, vector<FHE_SK>& sks, const bigint& p, int nparties)