// DecodePrivateKey is a helper to decode the users PrivateKey
func (i *Identity) DecodePrivateKey(passphrase string) (ic.PrivKey, error) {
pkb, err := base64.StdEncoding.DecodeString(i.PrivKey)
if err != nil {
return nil, err
}
// currently storing key unencrypted. in the future we need to encrypt it.
// TODO(security)
return ic.UnmarshalPrivateKey(pkb)
}
func (ks *keyset) load(hpkp, skBytesStr string) error {
skBytes, err := base64.StdEncoding.DecodeString(skBytesStr)
if err != nil {
return err
}
ks.sk, err = ic.UnmarshalPrivateKey(skBytes)
if err != nil {
return err
}
ks.pk = ks.sk.GetPublic()
bpk, err := ks.pk.Bytes()
if err != nil {
return err
}
ks.hpk = string(u.Hash(bpk))
ks.hpkp = b58.Encode([]byte(ks.hpk))
if ks.hpkp != hpkp {
return fmt.Errorf("hpkp doesn't match key. %s", hpkp)
}
return nil
}