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65 lines
1.3 KiB
65 lines
1.3 KiB
/*
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dirty hack to make multi instance of pairing functions
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*/
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#include <iostream>
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// BLS12-381 ; sizeof(Fp) = 48, sizeof(Fr) = 32
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#define MCL_MAX_FP_BIT_SIZE 384
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#define MCL_MAX_FR_BIT_SIZE 256
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#include <mcl/bn.hpp>
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// remove include gurad of bn.hpp
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#undef MCL_INCLUDE_MCL_BN_HPP
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// define other fp size
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// BN254 ; sizeof(Fp) = 32, sizeof(Fr) = 32
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#undef MCL_MAX_FP_BIT_SIZE
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#define MCL_MAX_FP_BIT_SIZE 256
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// define another namespace instead of bn
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#undef MCL_NAMESPACE_BN
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#define MCL_NAMESPACE_BN bn2
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#include <mcl/bn.hpp>
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#define PUT(x) std::cout << #x "=" << (x) << std::endl;
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int main()
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try
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{
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using namespace mcl;
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mpz_class a = 123;
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mpz_class b = 456;
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bn::initPairing(mcl::BLS12_381);
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bn2::initPairing(mcl::BN254);
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bn::G1 P1;
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bn::G2 Q1;
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bn::GT e1, f1;
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bn2::G1 P2;
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bn2::G2 Q2;
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bn2::GT e2, f2;
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bn::hashAndMapToG1(P1, "abc", 3);
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bn2::hashAndMapToG1(P2, "abc", 3);
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PUT(P1);
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PUT(P2);
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bn::hashAndMapToG2(Q1, "abc", 3);
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bn2::hashAndMapToG2(Q2, "abc", 3);
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PUT(Q1);
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PUT(Q2);
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P1 += P1;
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Q2 += Q2;
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bn::pairing(e1, P1, Q1);
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bn2::pairing(e2, P2, Q2);
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P1 *= a;
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Q1 *= b;
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P2 *= a;
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Q2 *= b;
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bn::pairing(f1, P1, Q1);
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bn2::pairing(f2, P2, Q2);
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bn::GT::pow(e1, e1, a * b);
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bn2::GT::pow(e2, e2, a * b);
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printf("eq %d %d\n", e1 == f1, e2 == f2);
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} catch (std::exception& e) {
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printf("err %s\n", e.what());
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return 1;
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}
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