feat: handle key encrypted looking at headers too

pkg/credentials/credentials.go

@@ -36,7 +36,7 @@ func FromRSAKeyWithPassword(certFile, certKey, passwd string) (credentials.Trans
 		return nil, errors.New("rest is not empty")
 	}
 
-	if !strings.Contains(keyBlock.Type, "ENCRYPTED") {
+	if !strings.Contains(keyBlock.Type, "ENCRYPTED") && !isEncryptedOnHeaders(keyBlock.Headers) {
 		return nil, fmt.Errorf("certificate should has been encrypted with password")
 	}
 
@@ -57,6 +57,19 @@ func FromRSAKeyWithPassword(certFile, certKey, passwd string) (credentials.Trans
 	return credentials.NewServerTLSFromCert(&cert), nil
 }
 
+func isEncryptedOnHeaders(headers map[string]string) bool {
+	if len(headers) == 0 {
+		return false
+	}
+	for _, v := range headers {
+		if !strings.Contains(v, "ENCRYPTED") {
+			return true
+		}
+	}
+
+	return false
+}
+
 func decryptRSA(keyFile, password string) (string, error) {
 	cmd := exec.Command("openssl", "rsa", "-in", keyFile, "-passin", formatPass(password), "-text")
 	output_bts, err := cmd.Output()