fix(#692): add crypto-ref-array to ProtocolProperties

applied the fix recommended in the thread.
added testcase and BOM json from the mentioned issue.

cyclonedx/model/crypto.py

@@ -1309,11 +1309,13 @@ def __init__(
         version: Optional[str] = None,
         cipher_suites: Optional[Iterable[ProtocolPropertiesCipherSuite]] = None,
         ikev2_transform_types: Optional[Ikev2TransformTypes] = None,
+        crypto_ref_array: Optional[Iterable[BomRef]] = None,
     ) -> None:
         self.type = type
         self.version = version
         self.cipher_suites = cipher_suites or []  # type:ignore[assignment]
         self.ikev2_transform_types = ikev2_transform_types
+        self.crypto_ref_array = crypto_ref_array or []  # type:ignore[assignment]
 
     @property
     @serializable.xml_sequence(10)
@@ -1376,13 +1378,37 @@ def ikev2_transform_types(self) -> Optional[Ikev2TransformTypes]:
     def ikev2_transform_types(self, ikev2_transform_types: Optional[Ikev2TransformTypes]) -> None:
         self._ikev2_transform_types = ikev2_transform_types
 
+    @property
+    @serializable.xml_array(serializable.XmlArraySerializationType.FLAT, 'cryptoRefArray')
+    @serializable.xml_sequence(40)
+    def crypto_ref_array(self) -> 'SortedSet[BomRef]':
+        """
+        A list of protocol-related cryptographic assets.
+
+        Returns:
+            `Iterable[BomRef]`
+        """
+        return self._crypto_ref_array
+
+    @crypto_ref_array.setter
+    def crypto_ref_array(self, crypto_ref_array: Iterable[BomRef]) -> None:
+        self._crypto_ref_array = SortedSet(crypto_ref_array)
+
     def __eq__(self, other: object) -> bool:
         if isinstance(other, ProtocolProperties):
             return hash(other) == hash(self)
         return False
 
     def __hash__(self) -> int:
-        return hash((self.type, self.version, tuple(self.cipher_suites), self.ikev2_transform_types))
+        return hash(
+            (
+                self.type,
+                self.version,
+                tuple(self.cipher_suites),
+                self.ikev2_transform_types,
+                tuple(self.crypto_ref_array)
+            )
+        )
 
     def __repr__(self) -> str:
         return f'<ProtocolProperties type={self.type}, version={self.version}>'

tests/test_deserialize_json.py

@@ -90,7 +90,7 @@ def test(ls: LicenseRepository) -> None:
 
     def test_regression_issue690(self) -> None:
         """
-        regressio test for issue#690.
+        regression test for issue#690.
         see https://github.com/CycloneDX/cyclonedx-python-lib/issues/690
         """
         json_file = join(OWN_DATA_DIRECTORY, 'json',
@@ -100,3 +100,16 @@ def test_regression_issue690(self) -> None:
             json = json_loads(f.read())
         bom: Bom = Bom.from_json(json)  # <<< is expected to not crash
         self.assertIsNotNone(bom)
+
+    def test_regression_issue692(self) -> None:
+        """
+        regression test for issue#692.
+        see https://github.com/CycloneDX/cyclonedx-python-lib/issues/692
+        """
+        json_file = join(OWN_DATA_DIRECTORY, 'json',
+                         SchemaVersion.V1_6.to_version(),
+                         'issue692.json')
+        with open(json_file) as f:
+            json = json_loads(f.read())
+        bom: Bom = Bom.from_json(json)  # <<< is expected to not crash
+        self.assertIsNotNone(bom)