Pkcs11Interop  4.0.0
HighLevelAPI/_22_DigestEncryptAndDecryptDigestTest.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 System;
using NUnit.Framework;
namespace Net.Pkcs11Interop.Tests.HighLevelAPI
{
/// <summary>
/// DigestEncrypt and DecryptDigest tests.
/// </summary>
[TestFixture()]
public class _22_DigestEncryptAndDecryptDigestTest
{
/// <summary>
/// Basic DigestEncrypt and DecryptDigest test.
/// </summary>
[Test()]
public void _01_BasicDigestEncryptAndDecryptDigestTest()
{
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 generatedKey = Helpers.GenerateKey(session);
// Generate random initialization vector
byte[] iv = session.GenerateRandom(8);
// Specify encryption mechanism with initialization vector as parameter
Mechanism encryptionMechanism = new Mechanism(CKM.CKM_DES3_CBC, iv);
// Specify digesting mechanism
Mechanism digestingMechanism = new Mechanism(CKM.CKM_SHA_1);
byte[] sourceData = ConvertUtils.Utf8StringToBytes("Our new password");
// Encrypt and digest data
byte[] digest1 = null;
byte[] encryptedData = null;
session.DigestEncrypt(digestingMechanism, encryptionMechanism, generatedKey, sourceData, out digest1, out encryptedData);
// Do something interesting with encrypted data and digest
// Decrypt and digest data
byte[] digest2 = null;
byte[] decryptedData = null;
session.DecryptDigest(digestingMechanism, encryptionMechanism, generatedKey, encryptedData, out digest2, out decryptedData);
// Do something interesting with decrypted data and digest
Assert.IsTrue(Convert.ToBase64String(sourceData) == Convert.ToBase64String(decryptedData));
Assert.IsTrue(Convert.ToBase64String(digest1) == Convert.ToBase64String(digest2));
session.DestroyObject(generatedKey);
session.Logout();
}
}
}
}
}