61 lines
1 KiB
Go
61 lines
1 KiB
Go
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package hcs
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import (
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"encoding/hex"
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"io"
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"io/ioutil"
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"os"
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"golang.org/x/crypto/curve25519"
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)
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func (s *secret) Bytes() []byte {
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buf := make([]byte, curve25519.ScalarSize)
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copy(buf, *s)
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return buf
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}
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func (s *secret) String() string {
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buf := s.Bytes()
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return hex.EncodeToString(buf)
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}
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func (s *secret) PublicKey() PublicKey {
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sk := s.Bytes()
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pb, _ := curve25519.X25519(sk, curve25519.Basepoint)
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pk := public(pb)
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return &pk
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}
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func (s *secret) WriteTo(w io.Writer) (int64, error) {
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sb := s.Bytes()
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sl, err := w.Write(sb)
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return int64(sl), err
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}
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func privateKeyFromBytes(val []byte) (PrivateKey, error) {
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sk := secret(val)
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return &sk, nil
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}
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func privateKeyFromString(val string) (PrivateKey, error) {
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data, err := hex.DecodeString(val)
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if err != nil {
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return nil, err
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}
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return privateKeyFromBytes(data)
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}
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func loadPrivateKey(val string) (PrivateKey, error) {
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data, err := ioutil.ReadFile(val)
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if os.IsNotExist(err) {
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return privateKeyFromString(val)
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} else if err != nil {
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return nil, err
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}
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return privateKeyFromBytes(data)
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}
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