bn256_fast.go 1.4 KB

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  1. // Copyright 2018 The go-ethereum Authors
  2. // This file is part of the go-ethereum library.
  3. //
  4. // The go-ethereum library is free software: you can redistribute it and/or modify
  5. // it under the terms of the GNU Lesser General Public License as published by
  6. // the Free Software Foundation, either version 3 of the License, or
  7. // (at your option) any later version.
  8. //
  9. // The go-ethereum library is distributed in the hope that it will be useful,
  10. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. // GNU Lesser General Public License for more details.
  13. //
  14. // You should have received a copy of the GNU Lesser General Public License
  15. // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
  16. // +build amd64 arm64
  17. // Package bn256 implements the Optimal Ate pairing over a 256-bit Barreto-Naehrig curve.
  18. package bn256
  19. import "github.com/ethereum/go-ethereum/crypto/bn256/cloudflare"
  20. // G1 is an abstract cyclic group. The zero value is suitable for use as the
  21. // output of an operation, but cannot be used as an input.
  22. type G1 = bn256.G1
  23. // G2 is an abstract cyclic group. The zero value is suitable for use as the
  24. // output of an operation, but cannot be used as an input.
  25. type G2 = bn256.G2
  26. // PairingCheck calculates the Optimal Ate pairing for a set of points.
  27. func PairingCheck(a []*G1, b []*G2) bool {
  28. return bn256.PairingCheck(a, b)
  29. }