25 lines
645 B
Go
25 lines
645 B
Go
|
package sshkeys
|
||
|
|
|
||
|
|
import (
|
||
|
|
"crypto/ed25519"
|
||
|
|
)
|
||
|
|
|
||
|
|
func (k *SSHPrivKey) generateEd25519() error {
|
||
|
|
if k.Key != nil || k.PublicKey.Key != nil {
|
||
|
|
return nil // Just no-op; already generated.
|
||
|
|
}
|
||
|
|
// We cast "pk" (public key) to _ because it's an interface{} that we can't seem to
|
||
|
|
// assert to []byte. I've tried iterating, a type assertion, initializing,... nada.
|
||
|
|
// Luckily it's at a fixed half of the secret key.
|
||
|
|
if _, s, err := ed25519.GenerateKey(nil); err != nil {
|
||
|
|
return err
|
||
|
|
} else {
|
||
|
|
k.Key = s
|
||
|
|
ks := len(s) - ed25519.PublicKeySize
|
||
|
|
k.PublicKey.Key = s[ks:]
|
||
|
|
k.BitSize = ed25519Len
|
||
|
|
k.PublicKey.KeyType = KeyEd25519
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|