You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66 lines
1.3 KiB
66 lines
1.3 KiB
5 years ago
|
/*
|
||
|
|
dirty hack to make multi instance of pairing functions
|
||
|
|
*/
|
||
|
|
#include <iostream>
|
||
|
|
// BLS12-381 ; sizeof(Fp) = 48, sizeof(Fr) = 32
|
||
|
|
#define MCL_MAX_FP_BIT_SIZE 384
|
||
|
|
#define MCL_MAX_FR_BIT_SIZE 256
|
||
|
|
#include <mcl/bn.hpp>
|
||
|
|
// remove include gurad of bn.hpp
|
||
|
|
#undef MCL_INCLUDE_MCL_BN_HPP
|
||
|
|
// define other fp size
|
||
|
|
// BN254 ; sizeof(Fp) = 32, sizeof(Fr) = 32
|
||
|
|
#undef MCL_MAX_FP_BIT_SIZE
|
||
|
|
#define MCL_MAX_FP_BIT_SIZE 256
|
||
|
|
// define another namespace instead of bn
|
||
|
|
#undef MCL_NAMESPACE_BN
|
||
|
|
#define MCL_NAMESPACE_BN bn2
|
||
|
|
#include <mcl/bn.hpp>
|
||
|
|
|
||
|
|
#define PUT(x) std::cout << #x "=" << (x) << std::endl;
|
||
|
|
int main()
|
||
|
|
try
|
||
|
|
{
|
||
|
|
using namespace mcl;
|
||
|
|
mpz_class a = 123;
|
||
|
|
mpz_class b = 456;
|
||
|
|
bn::initPairing(mcl::BLS12_381);
|
||
|
|
bn2::initPairing(mcl::BN254);
|
||
|
|
|
||
|
|
bn::G1 P1;
|
||
|
|
bn::G2 Q1;
|
||
|
|
bn::GT e1, f1;
|
||
|
|
|
||
|
|
bn2::G1 P2;
|
||
|
|
bn2::G2 Q2;
|
||
|
|
bn2::GT e2, f2;
|
||
|
|
|
||
|
|
bn::hashAndMapToG1(P1, "abc", 3);
|
||
|
|
bn2::hashAndMapToG1(P2, "abc", 3);
|
||
|
|
PUT(P1);
|
||
|
|
PUT(P2);
|
||
|
|
|
||
|
|
bn::hashAndMapToG2(Q1, "abc", 3);
|
||
|
|
bn2::hashAndMapToG2(Q2, "abc", 3);
|
||
|
|
|
||
|
|
PUT(Q1);
|
||
|
|
PUT(Q2);
|
||
|
|
P1 += P1;
|
||
|
|
Q2 += Q2;
|
||
|
|
|
||
|
|
bn::pairing(e1, P1, Q1);
|
||
|
|
bn2::pairing(e2, P2, Q2);
|
||
|
|
P1 *= a;
|
||
|
|
Q1 *= b;
|
||
|
|
P2 *= a;
|
||
|
|
Q2 *= b;
|
||
|
|
bn::pairing(f1, P1, Q1);
|
||
|
|
bn2::pairing(f2, P2, Q2);
|
||
|
|
bn::GT::pow(e1, e1, a * b);
|
||
|
|
bn2::GT::pow(e2, e2, a * b);
|
||
|
|
printf("eq %d %d\n", e1 == f1, e2 == f2);
|
||
|
|
} catch (std::exception& e) {
|
||
|
|
printf("err %s\n", e.what());
|
||
|
|
return 1;
|
||
|
|
}
|