53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
|
package i2pkeys
|
||
|
|
|
||
|
|
import (
|
||
|
|
"crypto"
|
||
|
|
"crypto/ed25519"
|
||
|
|
"crypto/rand"
|
||
|
|
"fmt"
|
||
|
|
"io"
|
||
|
|
)
|
||
|
|
|
||
|
|
// SecretKey is a private key interface
|
||
|
|
type SecretKey interface {
|
||
|
|
Sign(rand io.Reader, digest []byte, opts crypto.SignerOpts) (signature []byte, err error)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (k I2PKeys) SecretKey() SecretKey {
|
||
|
|
var pk ed25519.PrivateKey = k.Private()
|
||
|
|
return pk
|
||
|
|
}
|
||
|
|
|
||
|
|
func (k I2PKeys) PrivateKey() crypto.PrivateKey {
|
||
|
|
var pk ed25519.PrivateKey = k.Private()
|
||
|
|
_, err := pk.Sign(rand.Reader, []byte("nonsense"), crypto.Hash(0))
|
||
|
|
if err != nil {
|
||
|
|
log.WithError(err).Warn("Error in private key signature")
|
||
|
|
// TODO: Elgamal, P256, P384, P512, GOST? keys?
|
||
|
|
}
|
||
|
|
return pk
|
||
|
|
}
|
||
|
|
|
||
|
|
func (k I2PKeys) Ed25519PrivateKey() *ed25519.PrivateKey {
|
||
|
|
return k.SecretKey().(*ed25519.PrivateKey)
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
func (k I2PKeys) Decrypt(rand io.Reader, msg []byte, opts crypto.DecrypterOpts) (plaintext []byte, err error) {
|
||
|
|
return k.SecretKey().(*ed25519.PrivateKey).Decrypt(rand, msg, opts)
|
||
|
|
}
|
||
|
|
*/
|
||
|
|
|
||
|
|
func (k I2PKeys) Sign(rand io.Reader, digest []byte, opts crypto.SignerOpts) (signature []byte, err error) {
|
||
|
|
return k.SecretKey().(*ed25519.PrivateKey).Sign(rand, digest, opts)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (k I2PKeys) HostnameEntry(hostname string, opts crypto.SignerOpts) (string, error) {
|
||
|
|
sig, err := k.Sign(rand.Reader, []byte(hostname), opts)
|
||
|
|
if err != nil {
|
||
|
|
log.WithError(err).Error("Error signing hostname")
|
||
|
|
return "", fmt.Errorf("error signing hostname: %w", err)
|
||
|
|
}
|
||
|
|
return string(sig), nil
|
||
|
|
}
|