blob: 4efa806c5fb7c81a4e027904c5f5591c4245f547 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
// Copyright (c) 2013-2016 The btcsuite developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package btcec
import (
secp "github.com/decred/dcrd/dcrec/secp256k1/v4"
)
// PrivateKey wraps an ecdsa.PrivateKey as a convenience mainly for signing
// things with the the private key without having to directly import the ecdsa
// package.
type PrivateKey = secp.PrivateKey
// PrivKeyFromBytes returns a private and public key for `curve' based on the
// private key passed as an argument as a byte slice.
func PrivKeyFromBytes(pk []byte) (*PrivateKey, *PublicKey) {
privKey := secp.PrivKeyFromBytes(pk)
return privKey, privKey.PubKey()
}
// NewPrivateKey is a wrapper for ecdsa.GenerateKey that returns a PrivateKey
// instead of the normal ecdsa.PrivateKey.
func NewPrivateKey() (*PrivateKey, error) {
return secp.GeneratePrivateKey()
}
// PrivKeyFromScalar instantiates a new private key from a scalar encoded as a
// big integer.
func PrivKeyFromScalar(key *ModNScalar) *PrivateKey {
return &PrivateKey{Key: *key}
}
// PrivKeyBytesLen defines the length in bytes of a serialized private key.
const PrivKeyBytesLen = 32
|
