Pkcs11Interop  4.0.0
HighLevelAPI/_25_DeriveKeyTest.cs
/*
* Copyright 2012-2017 The Pkcs11Interop Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Written for the Pkcs11Interop project by:
* Jaroslav IMRICH <jimrich@jimrich.sk>
*/
using NUnit.Framework;
namespace Net.Pkcs11Interop.Tests.HighLevelAPI
{
/// <summary>
/// DeriveKey tests.
/// </summary>
[TestFixture()]
public class _25_DeriveKeyTest
{
/// <summary>
/// DeriveKey test.
/// </summary>
[Test()]
public void _01_BasicDeriveKeyTest()
{
using (Pkcs11 pkcs11 = new Pkcs11(Settings.Pkcs11LibraryPath, Settings.AppType))
{
// Find first slot with token present
Slot slot = Helpers.GetUsableSlot(pkcs11);
// Open RW session
using (Session session = slot.OpenSession(SessionType.ReadWrite))
{
// Login as normal user
session.Login(CKU.CKU_USER, Settings.NormalUserPin);
// Generate symetric key
ObjectHandle baseKey = Helpers.GenerateKey(session);
// Generate random data needed for key derivation
byte[] data = session.GenerateRandom(24);
// Specify mechanism parameters
CkKeyDerivationStringData mechanismParams = new CkKeyDerivationStringData(data);
// Specify derivation mechanism with parameters
Mechanism mechanism = new Mechanism(CKM.CKM_XOR_BASE_AND_DATA, mechanismParams);
// Derive key
ObjectHandle 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();
}
}
}
}
}