Fixed code smells

protocol/meshcore/crypto/ed25519.go

@@ -53,7 +53,7 @@ func (priv *PrivateKey) Sign(_ io.Reader, digest []byte, _ crypto.SignerOpts) (s
 
 func (priv *PrivateKey) Public() crypto.PublicKey {
 	p := &PublicKey{}
-	newPublicKey(p, priv.pub[:])
+	_, _ = newPublicKey(p, priv.pub[:])
 	return p
 }
 
@@ -118,7 +118,9 @@ func GenerateKey() (*PublicKey, *PrivateKey, error) {
 }
 
 func generateKey(priv *PrivateKey) (*PrivateKey, error) {
-	rand.Read(priv.seed[:])
+	if _, err := rand.Read(priv.seed[:]); err != nil {
+		return nil, err
+	}
 	precomputePrivateKey(priv)
 	return priv, nil
 }