|
public GetValueAsObjectAttributeList ( ) : List |
||
| return | List |
|
public void _08_AttributeArrayAttributeTest()
{
if (Platform.UnmanagedLongSize != 8 || Platform.StructPackingSize != 1)
Assert.Inconclusive("Test cannot be executed on this platform");
ObjectAttribute nestedAttribute1 = new ObjectAttribute(CKA.CKA_TOKEN, true);
ObjectAttribute nestedAttribute2 = new ObjectAttribute(CKA.CKA_PRIVATE, true);
List<ObjectAttribute> originalValue = new List<ObjectAttribute>();
originalValue.Add(nestedAttribute1);
originalValue.Add(nestedAttribute2);
// Create attribute with attribute array value
using (ObjectAttribute attr = new ObjectAttribute(CKA.CKA_WRAP_TEMPLATE, originalValue))
{
Assert.IsTrue(attr.Type == (ulong)CKA.CKA_WRAP_TEMPLATE);
List<ObjectAttribute> recoveredValue = attr.GetValueAsObjectAttributeList();
Assert.IsTrue(recoveredValue.Count == 2);
Assert.IsTrue(recoveredValue[0].Type == (ulong)CKA.CKA_TOKEN);
Assert.IsTrue(recoveredValue[0].GetValueAsBool() == true);
Assert.IsTrue(recoveredValue[1].Type == (ulong)CKA.CKA_PRIVATE);
Assert.IsTrue(recoveredValue[1].GetValueAsBool() == true);
}
// There is the same pointer to unmanaged memory in both nestedAttribute1 and recoveredValue[0] instances
// therefore private low level attribute structure needs to be modified to prevent double free.
// This special handling is needed only in this synthetic test and should be avoided in real world application.
LLA81.CK_ATTRIBUTE ckAttribute1 = (LLA81.CK_ATTRIBUTE)typeof(ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(nestedAttribute1);
ckAttribute1.value = IntPtr.Zero;
ckAttribute1.valueLen = 0;
typeof(ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(nestedAttribute1, ckAttribute1);
// There is the same pointer to unmanaged memory in both nestedAttribute2 and recoveredValue[1] instances
// therefore private low level attribute structure needs to be modified to prevent double free.
// This special handling is needed only in this synthetic test and should be avoided in real world application.
LLA81.CK_ATTRIBUTE ckAttribute2 = (LLA81.CK_ATTRIBUTE)typeof(ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(nestedAttribute2);
ckAttribute2.value = IntPtr.Zero;
ckAttribute2.valueLen = 0;
typeof(ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(nestedAttribute2, ckAttribute2);
originalValue = null;
// Create attribute with null attribute array value
using (ObjectAttribute attr = new ObjectAttribute(CKA.CKA_WRAP_TEMPLATE, originalValue))
{
Assert.IsTrue(attr.Type == (ulong)CKA.CKA_WRAP_TEMPLATE);
Assert.IsTrue(attr.GetValueAsObjectAttributeList() == originalValue);
}
originalValue = new List<ObjectAttribute>();
// Create attribute with empty attribute array value
using (ObjectAttribute attr = new ObjectAttribute(CKA.CKA_WRAP_TEMPLATE, originalValue))
{
Assert.IsTrue(attr.Type == (ulong)CKA.CKA_WRAP_TEMPLATE);
Assert.IsTrue(attr.GetValueAsObjectAttributeList() == null);
}
}
