public void _04_ObjectParameterTest()
{
byte[] data = new byte[24];
System.Random rng = new Random();
rng.NextBytes(data);
// Specify mechanism parameters
ICkKeyDerivationStringData parameter = Settings.Factories.MechanismParamsFactory.CreateCkKeyDerivationStringData(data);
// Create mechanism with the object as parameter
IMechanism mechanism = Settings.Factories.MechanismFactory.Create(CKM.CKM_XOR_BASE_AND_DATA, parameter);
Assert.IsTrue(mechanism.Type == ConvertUtils.UInt64FromCKM(CKM.CKM_XOR_BASE_AND_DATA));
// We access private Mechanism member here just for the testing purposes
if (Platform.NativeULongSize == 4)
{
if (Platform.StructPackingSize == 0)
{
HLA40.Mechanism mechanism40 = (HLA40.Mechanism)mechanism;
LLA40.CK_MECHANISM ckMechanism40 = (LLA40.CK_MECHANISM) typeof(HLA40.Mechanism).GetField("_ckMechanism", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(mechanism40);
Assert.IsTrue(ckMechanism40.Mechanism == ConvertUtils.UInt32FromCKM(CKM.CKM_XOR_BASE_AND_DATA));
Assert.IsTrue(ckMechanism40.Parameter != IntPtr.Zero);
Assert.IsTrue(Convert.ToInt32(ckMechanism40.ParameterLen) == UnmanagedMemory.SizeOf(typeof(LLA40.MechanismParams.CK_KEY_DERIVATION_STRING_DATA)));
}
else
{
HLA41.Mechanism mechanism41 = (HLA41.Mechanism)mechanism;
LLA41.CK_MECHANISM ckMechanism41 = (LLA41.CK_MECHANISM) typeof(HLA41.Mechanism).GetField("_ckMechanism", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(mechanism41);
Assert.IsTrue(ckMechanism41.Mechanism == ConvertUtils.UInt32FromCKM(CKM.CKM_XOR_BASE_AND_DATA));
Assert.IsTrue(ckMechanism41.Parameter != IntPtr.Zero);
Assert.IsTrue(Convert.ToInt32(ckMechanism41.ParameterLen) == UnmanagedMemory.SizeOf(typeof(LLA41.MechanismParams.CK_KEY_DERIVATION_STRING_DATA)));
}
}
else
{
if (Platform.StructPackingSize == 0)
{
HLA80.Mechanism mechanism80 = (HLA80.Mechanism)mechanism;
LLA80.CK_MECHANISM ckMechanism80 = (LLA80.CK_MECHANISM) typeof(HLA80.Mechanism).GetField("_ckMechanism", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(mechanism80);
Assert.IsTrue(ckMechanism80.Mechanism == ConvertUtils.UInt64FromCKM(CKM.CKM_XOR_BASE_AND_DATA));
Assert.IsTrue(ckMechanism80.Parameter != IntPtr.Zero);
Assert.IsTrue(Convert.ToInt32(ckMechanism80.ParameterLen) == UnmanagedMemory.SizeOf(typeof(LLA80.MechanismParams.CK_KEY_DERIVATION_STRING_DATA)));
}
else
{
HLA81.Mechanism mechanism81 = (HLA81.Mechanism)mechanism;
LLA81.CK_MECHANISM ckMechanism81 = (LLA81.CK_MECHANISM) typeof(HLA81.Mechanism).GetField("_ckMechanism", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(mechanism81);
Assert.IsTrue(ckMechanism81.Mechanism == ConvertUtils.UInt64FromCKM(CKM.CKM_XOR_BASE_AND_DATA));
Assert.IsTrue(ckMechanism81.Parameter != IntPtr.Zero);
Assert.IsTrue(Convert.ToInt32(ckMechanism81.ParameterLen) == UnmanagedMemory.SizeOf(typeof(LLA81.MechanismParams.CK_KEY_DERIVATION_STRING_DATA)));
}
}
}
public void _01_BasicDeriveKeyTest()
{
using (IPkcs11Library pkcs11Library = Settings.Factories.Pkcs11LibraryFactory.LoadPkcs11Library(Settings.Factories, Settings.Pkcs11LibraryPath, Settings.AppType))
{
// Find first slot with token present
ISlot slot = Helpers.GetUsableSlot(pkcs11Library);
// Open RW session
using (ISession session = slot.OpenSession(SessionType.ReadWrite))
{
// Login as normal user
session.Login(CKU.CKU_USER, Settings.NormalUserPin);
// Generate symetric key
IObjectHandle baseKey = Helpers.GenerateKey(session);
// Generate random data needed for key derivation
byte[] data = session.GenerateRandom(24);
// Specify mechanism parameters
ICkKeyDerivationStringData mechanismParams = Settings.Factories.MechanismParamsFactory.CreateCkKeyDerivationStringData(data);
// Specify derivation mechanism with parameters
IMechanism mechanism = Settings.Factories.MechanismFactory.Create(CKM.CKM_XOR_BASE_AND_DATA, mechanismParams);
// Derive key
IObjectHandle derivedKey = session.DeriveKey(mechanism, baseKey, null);
// Do something interesting with derived key
Assert.IsTrue(derivedKey.ObjectId != CK.CK_INVALID_HANDLE);
session.DestroyObject(baseKey);
session.DestroyObject(derivedKey);
session.Logout();
}
}
}
