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Mixed computation, binary computation with XOR-based MACs.

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This commit is contained in:
Marcel Keller
2019-12-23 18:42:12 +01:00
parent 12773c4d24
commit 6fa65c3141
171 changed files with 2872 additions and 1115 deletions
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16
GC/SemiPrep.cpp
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@@ -15,8 +15,13 @@
namespace GC
{
SemiPrep::SemiPrep(DataPositions& usage, Thread<SemiSecret>& thread) :
BufferPrep<SemiSecret>(usage), thread(thread), triple_generator(0)
SemiPrep::SemiPrep(DataPositions& usage, ShareThread<SemiSecret>&) :
SemiPrep(usage)
{
}
SemiPrep::SemiPrep(DataPositions& usage) :
BufferPrep<SemiSecret>(usage), triple_generator(0)
{
}
@@ -25,9 +30,9 @@ void SemiPrep::set_protocol(Beaver<SemiSecret>& protocol)
(void) protocol;
params.set_passive();
triple_generator = new SemiSecret::TripleGenerator(
thread.processor.machine.ot_setups.at(thread.thread_num).get_fresh(),
thread.master.N, thread.thread_num, thread.master.opts.batch_size,
1, params, {}, thread.P);
BaseMachine::s().fresh_ot_setup(),
protocol.P.N, -1, OnlineOptions::singleton.batch_size,
1, params, {}, &protocol.P);
triple_generator->multi_threaded = false;
}
@@ -50,6 +55,7 @@ SemiPrep::~SemiPrep()
void SemiPrep::buffer_bits()
{
auto& thread = Thread<SemiSecret>::s();
word r = thread.secure_prng.get_word();
for (size_t i = 0; i < sizeof(word) * 8; i++)
this->bits.push_back((r >> i) & 1);