move bls aggregated signature verification to pubkey submodule #372

Author: CblPOK-git

examples/cpp/bls12_381_signature_verification_aggregated.cpp

@@ -1,6 +1,6 @@
 #include <nil/crypto3/algebra/fields/bls12/base_field.hpp>
 #include <nil/crypto3/algebra/curves/bls12.hpp>
-#include <nil/crypto3/algebra/algorithms/pair.hpp>
+#include <nil/crypto3/pubkey/detail/bls/bls_basic_functions.hpp>
 
 
 using namespace nil::crypto3;
@@ -13,32 +13,5 @@ constexpr const std::size_t validators_amount = 5;
     typename algebra::curves::bls12<381>::template g1_type<>::value_type aggregated_signature
 ) {
 
-    // __builtin_assigner_exit_check(__builtin_assigner_is_in_g1_check(aggregated_signature));
-
-
-    typename algebra::curves::bls12<381>::template g2_type<>::value_type g2_group_generator = algebra::curves::bls12<381>::template g2_type<>::one();
-    typename algebra::curves::bls12<381>::gt_type::value_type pairing1 =
-        algebra::pair<algebra::curves::bls12<381>>(aggregated_signature, g2_group_generator);
-
-    typename algebra::curves::bls12<381>::template g1_type<>::value_type msg_point = __builtin_assigner_hash_to_curve(hashed_msg);
-
-    // __builtin_assigner_exit_check(__builtin_assigner_is_in_g2_check(pubkeys[0]));
-    typename algebra::curves::bls12<381>::gt_type::value_type pairing2 =
-        algebra::pair<algebra::curves::bls12<381>>(msg_point, pubkeys[0]);
-
-    typename algebra::curves::bls12<381>::gt_type::value_type current_pairing;
-
-    for (std::size_t i = 1; i < validators_amount; i++) {
-        // __builtin_assigner_exit_check(__builtin_assigner_is_in_g2_check(pubkeys[i]));
-        current_pairing = algebra::pair<algebra::curves::bls12<381>>(msg_point, pubkeys[i]);
-        pairing2 = __builtin_assigner_gt_multiplication(pairing2, current_pairing);
-    }
-
-    bool are_equal = 0;
-    for (std::size_t i = 0; i < 12; i++) {
-        are_equal = are_equal && (pairing1[i] == pairing2[i]);
-    }
-    // __builtin_assigner_exit_check(are_equal);
-
-    return are_equal;
+    return nil::crypto3::pubkey::detail::bls_basic_functions::aggregate_verify<validators_amount>(hashed_msg, pubkeys, aggregated_signature);
 }