sonr/crypto/signatures/schnorr/mina/challenge_derive.go
Prad Nukala 807b2e86ec
feature/1220 origin handle exists method (#1241)
* 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>
2025-01-06 17:06:10 +00:00

43 lines
828 B
Go
Executable File

//
// Copyright Coinbase, Inc. All Rights Reserved.
//
// SPDX-License-Identifier: Apache-2.0
//
package mina
import (
"fmt"
"github.com/onsonr/sonr/crypto/core/curves"
)
type MinaTSchnorrHandler struct{}
func (m MinaTSchnorrHandler) DeriveChallenge(msg []byte, pubKey curves.Point, r curves.Point) (curves.Scalar, error) {
txn := new(Transaction)
err := txn.UnmarshalBinary(msg)
if err != nil {
return nil, err
}
input := new(roinput).Init(3, 75)
txn.addRoInput(input)
pt, ok := pubKey.(*curves.PointPallas)
if !ok {
return nil, fmt.Errorf("invalid point")
}
R, ok := r.(*curves.PointPallas)
if !ok {
return nil, fmt.Errorf("invalid point")
}
pk := new(PublicKey)
pk.value = pt.GetEp()
sc := msgHash(pk, R.X(), input, ThreeW, MainNet)
s := new(curves.ScalarPallas)
s.SetFq(sc)
return s, nil
}