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Parameter for ring size in fake preprocessing.

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This commit is contained in:
Marcel Keller
2022-07-01 12:18:30 +10:00
parent 21b6a10671
commit 505d4838c1
1 changed files with 40 additions and 11 deletions
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51
Utils/Fake-Offline.cpp
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@@ -61,6 +61,9 @@ public:
{
}
template<int K>
void generate_ring();
template<class T>
void make_with_mac_key(int nplayers, int default_num, bool zero);
template<class T>
@@ -394,7 +397,7 @@ int main(int argc, const char** argv)
0, // Required?
1, // Number of args expected.
0, // Delimiter if expecting multiple args.
"Bit length of GF(p) field (default: 128)", // Help description.
"Bit length of GF(p) field (default: 128) and Z_2^k rings (default: 64)", // Help description.
"-lgp", // Flag token.
"--lgp" // Flag token.
);
@@ -729,22 +732,12 @@ int FakeParams::generate()
// replicated secret sharing only for three parties
if (nplayers == 3)
{
make_bits<Rep3Share<Integer>>({}, nplayers, nbitsp, zero);
make_basic<BrainShare<64, DEFAULT_SECURITY>>({}, nplayers, default_num,
zero);
make_basic<PostSacriRepRingShare<64, DEFAULT_SECURITY>>({}, nplayers,
default_num, zero);
make_with_mac_key<SpdzWiseRingShare<64, DEFAULT_SECURITY>>(nplayers,
default_num, zero);
make_mult_triples<GC::MaliciousRepSecret>({}, nplayers, ntrip2, zero, prep_data_prefix);
make_bits<GC::MaliciousRepSecret>({}, nplayers, nbits2, zero);
}
else if (nplayers == 4)
make_basic<Rep4Share2<64>>({}, nplayers, default_num, zero);
make_basic<SemiShare<Z2<64>>>({}, nplayers, default_num, zero);
make_basic<DealerShare<Z2<64>>>({}, nplayers, default_num, zero);
make_minimal<GC::DealerSecret>({}, nplayers, default_num, zero);
make_mult_triples<GC::SemiSecret>({}, nplayers, default_num, zero, prep_data_prefix);
@@ -778,6 +771,22 @@ int FakeParams::generate()
generate_field<typename T::clear>(T::clear::prime_field);
generate_field<gf2n>(true_type());
// default
generate_ring<64>();
// reuse lgp for simplified interface
switch (lgp)
{
case 64:
break;
#define X(L) case L: generate_ring<L>(); break;
X(128) X(192) X(256)
default:
cerr << "Not compiled for " << lgp << "-bit rings." << endl << "Add 'X("
<< lgp << "') to line " << (__LINE__ - 2) << " in " << __FILE__ << endl;
exit(1);
}
return 0;
}
@@ -803,3 +812,23 @@ void FakeParams::generate_field(true_type)
default_num, zero);
}
}
template<int K>
inline void FakeParams::generate_ring()
{
if (nplayers == 3)
{
make_bits<Rep3Share2<K>>({}, nplayers, default_num, zero);
make_basic<BrainShare<K, DEFAULT_SECURITY>>({}, nplayers, default_num,
zero);
make_basic<PostSacriRepRingShare<K, DEFAULT_SECURITY>>({}, nplayers,
default_num, zero);
make_with_mac_key<SpdzWiseRingShare<K, DEFAULT_SECURITY>>(nplayers,
default_num, zero);
}
else if (nplayers == 4)
make_basic<Rep4Share2<K>>({}, nplayers, default_num, zero);
make_basic<SemiShare<Z2<K>>>({}, nplayers, default_num, zero);
make_basic<DealerShare<Z2<K>>>({}, nplayers, default_num, zero);
}