forked from cerc-io/plugeth
4fc678542d
* crypto: add bls12-381 elliptic curve wrapper * params: add bls12-381 precompile gas parameters * core/vm: add bls12-381 precompiles * core/vm: add bls12-381 precompile tests * go.mod, go.sum: use latest bls12381 lib * core/vm: move point encode/decode functions to base library * crypto/bls12381: introduce bls12-381 library init function * crypto/bls12381: import bls12381 elliptic curve implementation * go.mod, go.sum: remove bls12-381 library * remove unsued frobenious coeffs supress warning for inp that used in asm * add mappings tests for zero inputs fix swu g2 minus z inverse constant * crypto/bls12381: fix typo * crypto/bls12381: better comments for bls12381 constants * crypto/bls12381: swu, use single conditional for e2 * crypto/bls12381: utils, delete empty line * crypto/bls12381: utils, use FromHex for string to big * crypto/bls12381: g1, g2, strict length check for FromBytes * crypto/bls12381: field_element, comparision changes * crypto/bls12381: change swu, isogeny constants with hex values * core/vm: fix point multiplication comments * core/vm: fix multiexp gas calculation and lookup for g1 and g2 * core/vm: simpler imput length check for multiexp and pairing precompiles * core/vm: rm empty multiexp result declarations * crypto/bls12381: remove modulus type definition * crypto/bls12381: use proper init function * crypto/bls12381: get rid of new lines at fatal desciprtions * crypto/bls12-381: fix no-adx assembly multiplication * crypto/bls12-381: remove old config function * crypto/bls12381: update multiplication backend this commit changes mul backend to 6limb eip1962 backend mul assign operations are dropped * core/vm/contracts_tests: externalize test vectors for precompiles * core/vm/contracts_test: externalize failure-cases for precompiles * core/vm: linting * go.mod: tiny up sum file * core/vm: fix goimports linter issues * crypto/bls12381: build tags for plain ASM or ADX implementation Co-authored-by: Martin Holst Swende <martin@swende.se> Co-authored-by: Péter Szilágyi <peterke@gmail.com>
84 lines
1.6 KiB
Go
84 lines
1.6 KiB
Go
// Copyright 2020 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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// +build amd64,blsasm amd64,blsadx
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package bls12381
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import (
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"golang.org/x/sys/cpu"
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)
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func init() {
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if !enableADX || !cpu.X86.HasADX || !cpu.X86.HasBMI2 {
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mul = mulNoADX
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}
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}
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// Use ADX backend for default
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var mul func(c, a, b *fe) = mulADX
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func square(c, a *fe) {
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mul(c, a, a)
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}
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func neg(c, a *fe) {
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if a.isZero() {
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c.set(a)
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} else {
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_neg(c, a)
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}
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}
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//go:noescape
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func add(c, a, b *fe)
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//go:noescape
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func addAssign(a, b *fe)
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//go:noescape
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func ladd(c, a, b *fe)
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//go:noescape
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func laddAssign(a, b *fe)
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//go:noescape
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func double(c, a *fe)
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//go:noescape
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func doubleAssign(a *fe)
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//go:noescape
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func ldouble(c, a *fe)
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//go:noescape
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func sub(c, a, b *fe)
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//go:noescape
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func subAssign(a, b *fe)
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//go:noescape
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func lsubAssign(a, b *fe)
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//go:noescape
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func _neg(c, a *fe)
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//go:noescape
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func mulNoADX(c, a, b *fe)
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//go:noescape
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func mulADX(c, a, b *fe)
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