64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
// Copyright 2020 dfuse Platform Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package vault
|
|
|
|
import (
|
|
"crypto"
|
|
"crypto/ed25519"
|
|
crypto_rand "crypto/rand"
|
|
|
|
"github.com/mr-tron/base58"
|
|
)
|
|
|
|
type PublicKey []byte
|
|
|
|
func (p PublicKey) String() string {
|
|
return base58.Encode(p)
|
|
}
|
|
|
|
type PrivateKey []byte
|
|
|
|
func PrivateKeyFromBase58(privkey string) (PrivateKey, error) {
|
|
res, err := base58.Decode(privkey)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return PrivateKey(res), nil
|
|
}
|
|
|
|
func (p PrivateKey) String() string {
|
|
return base58.Encode(p)
|
|
}
|
|
|
|
func NewRandomPrivateKey() (PublicKey, PrivateKey, error) {
|
|
pub, priv, err := ed25519.GenerateKey(crypto_rand.Reader)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
return PublicKey(pub), PrivateKey(priv), nil
|
|
}
|
|
|
|
func (k PrivateKey) Sign(payload []byte) ([]byte, error) {
|
|
p := ed25519.PrivateKey(k)
|
|
return p.Sign(crypto_rand.Reader, payload, crypto.Hash(0))
|
|
}
|
|
|
|
func (k PrivateKey) PublicKey() PublicKey {
|
|
p := ed25519.PrivateKey(k)
|
|
res := p.Public()
|
|
return PublicKey(res.([]byte))
|
|
}
|