Correccion en el metodo de codificacion base64 para llaves

utils/peticiones.py

@@ -9,6 +9,7 @@ import re
 import os
 from cryptography.hazmat.primitives import serialization, hashes
 from cryptography.hazmat.primitives.asymmetric import padding
+from cryptography.hazmat.primitives.serialization import load_der_private_key
 from dotenv import load_dotenv
 from pathlib import Path
 from core.config import settings
@@ -30,7 +31,7 @@ def load_cert_base64(cert_path: str) -> str:
 
 def sign_chain_original(key_path: str, password: str, cadena_original: str) -> str:
     with open(key_path, 'rb') as key_file:
-        private_key = serialization.load_pem_private_key(
+        private_key = load_der_private_key(
             key_file.read(),
             password=password.encode() if password else None
         )
@@ -953,9 +954,17 @@ async def get_soap_cove(credenciales, response_service, soap_controller, cove, i
         # Realizar petición SOAP
         logger.info("Realizando petición SOAP...")
 
+        # Headers específicos para este servicio SOAP
+        soap_headers = {
+            'Content-Type': 'text/xml; charset=utf-8',
+            'SOAPAction': '',
+            #'Accept-Encoding': 'gzip,deflate',
+        }
+
         soap_response = await soap_controller.make_request_async(
             "ventanilla/ConsultarEdocumentService?wsdl", 
             data=soap_xml,
+            headers=soap_headers
         )
 
         if (soap_response) and (not soap_error(soap_response)):