mirror of
https://github.com/onsonr/sonr.git
synced 2025-03-10 21:09:11 +00:00
Prad Nukala
807b2e86ec
* feat: add docs and CI workflow for publishing to onsonr.dev * (refactor): Move hway,motr executables to their own repos * feat: simplify devnet and testnet configurations * refactor: update import path for didcrypto package * docs(networks): Add README with project overview, architecture, and community links * refactor: Move network configurations to deploy directory * build: update golang version to 1.23 * refactor: move logger interface to appropriate package * refactor: Move devnet configuration to networks/devnet * chore: improve release process with date variable * (chore): Move Crypto Library * refactor: improve code structure and readability in DID module * feat: integrate Trunk CI checks * ci: optimize CI workflow by removing redundant build jobs --------- Co-authored-by: Darp Alakun <i@prad.nu>
109 lines
3.1 KiB
Go
Executable File
109 lines
3.1 KiB
Go
Executable File
//
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// Copyright Coinbase, Inc. All Rights Reserved.
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package v1
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import (
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"crypto/elliptic"
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"math/big"
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"sync"
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"github.com/onsonr/sonr/crypto/core/curves/native"
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"github.com/onsonr/sonr/crypto/core/curves/native/bls12381"
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)
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var (
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bls12381g2Initonce sync.Once
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bls12381g2 Bls12381G2Curve
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)
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type Bls12381G2Curve struct {
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*elliptic.CurveParams
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}
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func bls12381g2InitAll() {
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bls12381g2.CurveParams = new(elliptic.CurveParams)
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bls12381g2.P, _ = new(big.Int).SetString("1a0111ea397fe69a4b1ba7b6434bacd764774b84f38512bf6730d2a0f6b0f6241eabfffeb153ffffb9feffffffffaaab", 16)
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bls12381g2.N = bls12381.Bls12381FqNew().Params.BiModulus
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bls12381g2.B, _ = new(big.Int).SetString("0bbc3efc5008a26a0e1c8c3fad0059c051ac582950405194dd595f13570725ce8c22631a7918fd8ebaac93d50ce72271", 16)
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bls12381g2.Gx, _ = new(big.Int).SetString("120177419e0bfb75edce6ecc21dbf440f0ae6acdf3d0e747154f95c7143ba1c17817fc679976fff55cb38790fd530c16", 16)
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bls12381g2.Gy, _ = new(big.Int).SetString("0bbc3efc5008a26a0e1c8c3fad0059c051ac582950405194dd595f13570725ce8c22631a7918fd8ebaac93d50ce72271", 16)
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bls12381g2.BitSize = 381
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bls12381g2.Name = "Bls12381G1"
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}
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func Bls12381G2() *Bls12381G1Curve {
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bls12381g2Initonce.Do(bls12381g2InitAll)
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return &bls12381g1
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}
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func (curve *Bls12381G2Curve) Params() *elliptic.CurveParams {
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return curve.CurveParams
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}
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func (curve *Bls12381G2Curve) IsOnCurve(x, y *big.Int) bool {
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_, err := new(bls12381.G2).SetBigInt(x, y)
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return err == nil
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}
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func (curve *Bls12381G2Curve) Add(x1, y1, x2, y2 *big.Int) (*big.Int, *big.Int) {
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p1, err1 := new(bls12381.G2).SetBigInt(x1, y1)
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p2, err2 := new(bls12381.G2).SetBigInt(x2, y2)
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if err1 != nil || err2 != nil {
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return nil, nil
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}
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return p1.Add(p1, p2).BigInt()
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}
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func (curve *Bls12381G2Curve) Double(x1, y1 *big.Int) (*big.Int, *big.Int) {
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p, err := new(bls12381.G2).SetBigInt(x1, y1)
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if err != nil {
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return nil, nil
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}
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return p.Double(p).BigInt()
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}
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func (curve *Bls12381G2Curve) ScalarMult(Bx, By *big.Int, k []byte) (*big.Int, *big.Int) {
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p, err := new(bls12381.G2).SetBigInt(Bx, By)
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if err != nil {
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return nil, nil
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}
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var bb [native.FieldBytes]byte
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copy(bb[:], k)
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s, err := bls12381.Bls12381FqNew().SetBytes(&bb)
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if err != nil {
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return nil, nil
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}
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return p.Mul(p, s).BigInt()
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}
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func (curve *Bls12381G2Curve) ScalarBaseMult(k []byte) (*big.Int, *big.Int) {
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p := new(bls12381.G2).Generator()
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var bb [native.FieldBytes]byte
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copy(bb[:], k)
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s, err := bls12381.Bls12381FqNew().SetBytes(&bb)
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if err != nil {
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return nil, nil
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}
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return p.Mul(p, s).BigInt()
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}
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// Hash an arbitrary byte sequence to a G1 point according to the hash-to-curve standard
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func (curve *Bls12381G2Curve) Hash(msg []byte) (*big.Int, *big.Int) {
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return new(bls12381.G1).Hash(native.EllipticPointHasherSha256(), msg, []byte("BLS12381G2_XMD:SHA-256_SSWU_RO_")).BigInt()
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}
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// CompressedBytesFromBigInts takes x and y coordinates and converts them to the BLS compressed point form
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func (curve *Bls12381G2Curve) CompressedBytesFromBigInts(x, y *big.Int) ([]byte, error) {
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p, err := new(bls12381.G2).SetBigInt(x, y)
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if err != nil {
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return nil, err
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}
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out := p.ToCompressed()
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return out[:], nil
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}
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