43 lines
1.3 KiB
Go
43 lines
1.3 KiB
Go
// Copyright 2018 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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package mru
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import (
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"crypto/ecdsa"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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)
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// Signs resource updates
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type Signer interface {
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Sign(common.Hash) (Signature, error)
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}
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type GenericSigner struct {
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PrivKey *ecdsa.PrivateKey
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}
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func (self *GenericSigner) Sign(data common.Hash) (signature Signature, err error) {
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signaturebytes, err := crypto.Sign(data.Bytes(), self.PrivKey)
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if err != nil {
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return
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}
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copy(signature[:], signaturebytes)
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return
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}
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