The Precomputation precomputation step is now done on batch level.

1 files changed, 19 insertions, 20 deletions

diff --git a/node/node.cpp b/node/node.cpp
index a6ad1e1..b29a873 100644
--- a/node/node.cpp
+++ b/node/node.cpp
@@ -176,28 +176,27 @@ void Node::start_precomputation() {
 	
 	cmix_proto::PrePre prepre;
 	
-	for(size_t i = 0; i < cmix_ctx.nr_participants; ++i) {
-		prepre.add_m_er();
-		prepre.add_r_er();
+	size_t len = get_group_element_array_size(&cmix_ctx);
+	std::vector<char*> r_er(cmix_ctx.nr_participants, nullptr);
+	std::vector<char*> m_er(cmix_ctx.nr_participants, nullptr);
 	
-		size_t len = get_group_element_array_size(&cmix_ctx);
-		
-		prepre.mutable_r_er(i)->resize(len);
-		prepre.mutable_m_er(i)->resize(len);
-		
-		{
-			std::stringstream ss;
-			ss << "r: ";
-			std::string r = to_string(cmix_ctx.r[i], cmix_ctx);
-			for(auto&& c : r) {
-				ss << "\\" << std::setw(3) << std::setfill('0') << std::oct << (unsigned int) c;
-			}
-			BOOST_LOG_TRIVIAL(trace) << ss.str();
-		} 
+	for(size_t i = 0; i < cmix_ctx.nr_participants; ++i) {
+		std::string* r = prepre.add_r_er();
+		r->resize(len);
+		r_er[i] = &(*r)[0];
 		
-		if(encrypt_r(&cmix_ctx, &(*prepre.mutable_r_er(i))[0], &(*prepre.mutable_m_er(i))[0], i) != no_error) {
-			exit(-1);
-		}
+		std::string* m = prepre.add_m_er();
+		m->resize(len);
+		m_er[i] = &(*m)[0]; 
+	}
+	
+	if(encrypt_r(
+		&cmix_ctx,
+		r_er.data(),
+		m_er.data(),
+		cmix_ctx.nr_participants
+	) != no_error) {
+		exit(-1);
 	}
 	
 	BOOST_LOG_TRIVIAL(trace) << "Sending prepre message: " << prepre.ShortDebugString();