diff --git a/model/signing_server.py b/model/signing_server.py
index 1fe15e433b..587df1601c 100644
--- a/model/signing_server.py
+++ b/model/signing_server.py
@@ -15,6 +15,18 @@ class SigningAlgorithm(enum.StrEnum):
     RSASSA_PSS = 'rsassa-pss'
     RSASSA_PKCS1_V1_5 = 'rsassa-pkcs1-v1_5'
 
+    @staticmethod
+    def as_rfc_standard(algorithm: 'SigningAlgorithm') -> str:
+        # parses the algorithm to the standard format described in
+        # https://datatracker.ietf.org/doc/html/rfc3447
+        algorithm = SigningAlgorithm(algorithm.lower())
+        if algorithm is SigningAlgorithm.RSASSA_PSS:
+            return 'RSASSA-PSS'
+        elif algorithm is SigningAlgorithm.RSASSA_PKCS1_V1_5:
+            return 'RSASSA-PKCS1-v1_5'
+        else:
+            raise NotImplementedError(algorithm)
+
 
 class SigningServerEndpoint(NamedModelElement):
     def url(self) -> str: