Revize 329216fe

Re #8585 - Fixed an issue where required extensions based on cert. usages were not present in the generated certificate

Created an utility that converts usages to extension configuration lines
Defined which extension field flags are required for certain usages

src/services/cryptography.py

@@ -111 +111 @@
 
     def create_sscrt(self, subject, key, config="", extensions="", key_pass=None, days=30, sn: int = None):
         """
-        Creates a root CA
+        Creates a self signed certificate
 
         :param subject: an instance of <Subject> representing the subject to be added to the certificate
         :param key: private key of the CA to be used
@@ -132 +132 @@
         # file instead of an extension file. Therefore the following code creates
         # the most basic configuration file with sscrt_ext section, that is later
         # reference in openssl req command using -extensions option.
-        extensions += "\n" + CA_EXTENSIONS
         if len(config) == 0:
             config += MINIMAL_CONFIG_FILE
         config += "\n[ " + SSCRT_SECTION + " ]" + "\n" + extensions