Revize 19d25d2f

Re #8573 - Added get_public_key method to KeyService that extracts a public key from a private key

src/services/key_service.py

@@ -61 +61 @@
         :return: `True` when the deletion was successful. `False` in other case
         """
         return self.private_key_repository.delete(unique_id)
+
+    def get_public_key(self, private_key: PrivateKey):
+        """
+        Extracts a public key from the given private key
+        :param private_key: private key from which a public key should be extracted
+        :return: a string containing the extracted public key in PEM format
+        """
+        return self.cryptography_service.extract_public_key(private_key.private_key, private_key.password)

tests/integration_tests/services/private_key_service_test.py

@@ -36 +36 @@
     keys = private_key_service_unique.get_keys([pk_1.private_key_id, pk_2.private_key_id])
     assert [pk_1.private_key_id, pk_2.private_key_id] == [keys[0].private_key_id,
                                                           keys[1].private_key_id]
+
+
+def test_extract_public_key_from_private_key(private_key_service):
+    private_key = private_key_service.create_new_key()
+
+    public_key = private_key_service.get_public_key(private_key)
+
+    # TODO improve testing whether public key matches the private key
+    assert "-----BEGIN PUBLIC KEY-----" in public_key
+
+
+def test_extract_public_key_from_private_key_passphrase(private_key_service):
+    passphrase = "foobar"
+    private_key = private_key_service.create_new_key(passphrase)
+
+    public_key = private_key_service.get_public_key(private_key)
+
+    # TODO improve testing whether public key matches the private key
+    assert "-----BEGIN PUBLIC KEY-----" in public_key