Pkcs11Interop  4.0.0
HighLevelAPI/_23_SignEncryptAndDecryptVerifyTest.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>
/// SignEncrypt and DecryptVerify tests.
/// </summary>
[TestFixture()]
public class _23_SignEncryptAndDecryptVerifyTest
{
/// <summary>
/// Basic SignEncrypt and DecryptVerify test.
/// </summary>
[Test()]
public void _01_BasicSignEncryptAndDecryptVerifyTest()
{
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 asymetric key pair
ObjectHandle publicKey = null;
ObjectHandle privateKey = null;
Helpers.GenerateKeyPair(session, out publicKey, out privateKey);
// Specify signing mechanism
Mechanism signingMechanism = new Mechanism(CKM.CKM_SHA1_RSA_PKCS);
// Generate symetric key
ObjectHandle secretKey = 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);
byte[] sourceData = ConvertUtils.Utf8StringToBytes("Passw0rd");
// Sign and encrypt data
byte[] signature = null;
byte[] encryptedData = null;
session.SignEncrypt(signingMechanism, privateKey, encryptionMechanism, secretKey, sourceData, out signature, out encryptedData);
// Do something interesting with signature and encrypted data
// Decrypt data and verify signature of data
byte[] decryptedData = null;
bool isValid = false;
session.DecryptVerify(signingMechanism, publicKey, encryptionMechanism, secretKey, encryptedData, signature, out decryptedData, out isValid);
// Do something interesting with decrypted data and verification result
Assert.IsTrue(Convert.ToBase64String(sourceData) == Convert.ToBase64String(decryptedData));
Assert.IsTrue(isValid);
session.DestroyObject(privateKey);
session.DestroyObject(publicKey);
session.DestroyObject(secretKey);
session.Logout();
}
}
}
}
}