Pkcs11Interop  4.0.0
HighLevelAPI/_21_SignAndVerifyRecoverTest.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>
/// Signing and verification (where the data can be recovered from the signature) tests.
/// </summary>
[TestFixture()]
public class _21_SignAndVerifyRecoverTest
{
/// <summary>
/// Signing and verification test.
/// </summary>
[Test()]
public void _01_BasicSignAndVerifyRecoverTest()
{
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 key pair
ObjectHandle publicKey = null;
ObjectHandle privateKey = null;
Helpers.GenerateKeyPair(session, out publicKey, out privateKey);
// Specify signing mechanism
Mechanism mechanism = new Mechanism(CKM.CKM_RSA_PKCS);
byte[] sourceData = ConvertUtils.Utf8StringToBytes("Hello world");
// Sign data
byte[] signature = session.SignRecover(mechanism, privateKey, sourceData);
// Do something interesting with signature
// Verify signature
bool isValid = false;
byte[] recoveredData = session.VerifyRecover(mechanism, publicKey, signature, out isValid);
// Do something interesting with verification result and recovered data
Assert.IsTrue(isValid);
Assert.IsTrue(Convert.ToBase64String(sourceData) == Convert.ToBase64String(recoveredData));
session.DestroyObject(privateKey);
session.DestroyObject(publicKey);
session.Logout();
}
}
}
}
}