code.vegaprotocol.io/vega@v0.79.0/wallet/crypto/handler.go (about)

     1  // Copyright (C) 2023 Gobalsky Labs Limited
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Affero General Public License as
     5  // published by the Free Software Foundation, either version 3 of the
     6  // License, or (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU Affero General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Affero General Public License
    14  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package crypto
    17  
    18  import (
    19  	"encoding/hex"
    20  	"fmt"
    21  )
    22  
    23  type VerifyMessageRequest struct {
    24  	Message   []byte
    25  	Signature []byte
    26  	PubKey    string
    27  }
    28  
    29  func VerifyMessage(req *VerifyMessageRequest) (bool, error) {
    30  	decodedPubKey, err := hex.DecodeString(req.PubKey)
    31  	if err != nil {
    32  		return false, fmt.Errorf("couldn't decode public key: %w", err)
    33  	}
    34  
    35  	signatureAlgorithm := NewEd25519()
    36  	return signatureAlgorithm.Verify(decodedPubKey, req.Message, req.Signature)
    37  }