From e899ed8547ca12f2274dbc00690922a99eac5f9f Mon Sep 17 00:00:00 2001
From: Fuzzbawls <fuzzbawls@gmail.com>
Date: Thu, 20 Jan 2022 22:43:55 -0800
Subject: [PATCH] Fix `-sign-compare` warnings

---
 src/schemes.cpp |  2 +-
 src/test.cpp    | 16 ++++++++--------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/schemes.cpp b/src/schemes.cpp
index fe7d37f2e..5948fd24c 100644
--- a/src/schemes.cpp
+++ b/src/schemes.cpp
@@ -533,7 +533,7 @@ bool AugSchemeMPL::AggregateVerify(const vector<G1Element>& pubkeys,
     }
 
     vector<vector<uint8_t>> augMessages(nPubKeys);
-    for (int i = 0; i < nPubKeys; ++i) {
+    for (size_t i = 0; i < nPubKeys; ++i) {
         vector<uint8_t>& aug = augMessages[i];
         vector<uint8_t>&& pubkey = pubkeys[i].Serialize();
         aug.reserve(pubkey.size() + messages[i].size());
diff --git a/src/test.cpp b/src/test.cpp
index 0482ed4e0..1cf867226 100644
--- a/src/test.cpp
+++ b/src/test.cpp
@@ -29,7 +29,7 @@ using std::vector;
 
 using namespace bls;
 
-void TestHKDF(string ikm_hex, string salt_hex, string info_hex, string prk_expected_hex, string okm_expected_hex, int L) {
+void TestHKDF(string ikm_hex, string salt_hex, string info_hex, string prk_expected_hex, string okm_expected_hex, size_t L) {
     vector<uint8_t> ikm = Util::HexToBytes(ikm_hex);
     vector<uint8_t> salt = Util::HexToBytes(salt_hex);
     vector<uint8_t> info = Util::HexToBytes(info_hex);
@@ -1324,7 +1324,7 @@ TEST_CASE("Threshold Signatures") {
 
         // First create the participants and their secrets
         std::vector<Participant> participants;
-        for (int i=0; i < n ; i++) {
+        for (size_t i=0; i < n ; i++) {
             Participant participant;
             participant.id = getRandomSeed();
             participant.sk = randPrivKey();
@@ -1333,7 +1333,7 @@ TEST_CASE("Threshold Signatures") {
             // Create the vectors' coefficients
             participant.sks.emplace_back(participant.sk);
             participant.pks.emplace_back(participant.pk);
-            for (int j = 0; j < (m-1); j++) {
+            for (size_t j = 0; j < (m-1); j++) {
                 auto sk = randPrivKey();
                 participant.sks.emplace_back(sk);
                 participant.pks.emplace_back(sk.GetG1Element());
@@ -1343,7 +1343,7 @@ TEST_CASE("Threshold Signatures") {
 
         // Second, create shares for every other participant
         for (Participant& participant : participants) {
-            for (int j=0; j < n; j++) {
+            for (size_t j=0; j < n; j++) {
                 RawData id = participants[j].id;
                 participant.sksShares.emplace(id, bls::Threshold::PrivateKeyShare(participant.sks, Bytes(id)));
                 participant.pksShares.emplace(id, bls::Threshold::PublicKeyShare(participant.pks, Bytes(id)));
@@ -1353,7 +1353,7 @@ TEST_CASE("Threshold Signatures") {
 
         // Third, send shares and verification vectors
         for (Participant& participant : participants) {
-            for (int j=0; j < n; j++) {
+            for (size_t j=0; j < n; j++) {
                 auto& recipient = participants[j];
                 RawData destId = recipient.id;
                 // S(x) evaluated in participant1.id.
@@ -1392,8 +1392,8 @@ TEST_CASE("Threshold Signatures") {
 
         // Let's aggregate all the verification vectors to obtain Pa():
         std::vector<G1Element> finalVerifVector(participants[0].pks);
-        for (int j = 1; j < participants.size(); j++) {
-            for (int i = 0; i < finalVerifVector.size(); i++) {
+        for (size_t j = 1; j < participants.size(); j++) {
+            for (size_t i = 0; i < finalVerifVector.size(); i++) {
                 finalVerifVector[i] += participants[j].pks.at(i);
             }
         }
@@ -1419,7 +1419,7 @@ TEST_CASE("Threshold Signatures") {
         // Let's aggregate all the SIG(0) values to obtain SIGa(0)
         // This will be checked for equality against the recovered threshold signature
         G2Element finalSIG = participants[0].sig;
-        for (int j = 1; j < participants.size(); j++) {
+        for (size_t j = 1; j < participants.size(); j++) {
             finalSIG += participants[j].sig;
         }