using NUnit.Framework;
namespace Net.Pkcs11Interop.Tests.HighLevelAPI
{
[TestFixture()]
public class _19_EncryptAndDecryptTest
{
[Test()]
public void _01_EncryptAndDecryptSinglePartTest()
{
using (IPkcs11Library pkcs11Library = Settings.Factories.Pkcs11LibraryFactory.LoadPkcs11Library(Settings.Factories, Settings.Pkcs11LibraryPath, Settings.AppType))
{
ISlot slot = Helpers.GetUsableSlot(pkcs11Library);
using (ISession session = slot.OpenSession(
SessionType.ReadWrite))
{
session.Login(
CKU.CKU_USER, Settings.NormalUserPin);
IObjectHandle generatedKey = Helpers.GenerateKey(session);
byte[] iv = session.GenerateRandom(8);
IMechanism mechanism = session.Factories.MechanismFactory.Create(
CKM.CKM_DES3_CBC, iv);
byte[] sourceData = ConvertUtils.Utf8StringToBytes("Our new password");
byte[] encryptedData = session.Encrypt(mechanism, generatedKey, sourceData);
byte[] decryptedData = session.Decrypt(mechanism, generatedKey, encryptedData);
Assert.IsTrue(ConvertUtils.BytesToBase64String(sourceData) == ConvertUtils.BytesToBase64String(decryptedData));
session.DestroyObject(generatedKey);
session.Logout();
}
}
}
[Test()]
public void _02_EncryptAndDecryptMultiPartTest()
{
using (IPkcs11Library pkcs11Library = Settings.Factories.Pkcs11LibraryFactory.LoadPkcs11Library(Settings.Factories, Settings.Pkcs11LibraryPath, Settings.AppType))
{
ISlot slot = Helpers.GetUsableSlot(pkcs11Library);
using (ISession session = slot.OpenSession(
SessionType.ReadWrite))
{
session.Login(
CKU.CKU_USER, Settings.NormalUserPin);
IObjectHandle generatedKey = Helpers.GenerateKey(session);
byte[] iv = session.GenerateRandom(8);
IMechanism mechanism = session.Factories.MechanismFactory.Create(
CKM.CKM_DES3_CBC, iv);
byte[] sourceData = ConvertUtils.Utf8StringToBytes("Our new password");
byte[] encryptedData = null;
byte[] decryptedData = null;
using (MemoryStream inputStream = new MemoryStream(sourceData), outputStream = new MemoryStream())
{
session.Encrypt(mechanism, generatedKey, inputStream, outputStream, 8);
encryptedData = outputStream.ToArray();
}
using (MemoryStream inputStream = new MemoryStream(encryptedData), outputStream = new MemoryStream())
{
session.Decrypt(mechanism, generatedKey, inputStream, outputStream, 8);
decryptedData = outputStream.ToArray();
}
Assert.IsTrue(ConvertUtils.BytesToBase64String(sourceData) == ConvertUtils.BytesToBase64String(decryptedData));
session.DestroyObject(generatedKey);
session.Logout();
}
}
}
[Test()]
public void _03_EncryptAndDecryptSinglePartOaepTest()
{
using (IPkcs11Library pkcs11Library = Settings.Factories.Pkcs11LibraryFactory.LoadPkcs11Library(Settings.Factories, Settings.Pkcs11LibraryPath, Settings.AppType))
{
ISlot slot = Helpers.GetUsableSlot(pkcs11Library);
using (ISession session = slot.OpenSession(
SessionType.ReadWrite))
{
session.Login(
CKU.CKU_USER, Settings.NormalUserPin);
IObjectHandle publicKey = null;
IObjectHandle privateKey = null;
Helpers.GenerateKeyPair(session, out publicKey, out privateKey);
ICkRsaPkcsOaepParams mechanismParams = session.Factories.MechanismParamsFactory.CreateCkRsaPkcsOaepParams(
ConvertUtils.UInt64FromCKM(
CKM.CKM_SHA_1),
ConvertUtils.UInt64FromCKG(
CKG.CKG_MGF1_SHA1),
ConvertUtils.UInt64FromUInt32(CKZ.CKZ_DATA_SPECIFIED),
null
);
IMechanism mechanism = session.Factories.MechanismFactory.Create(
CKM.CKM_RSA_PKCS_OAEP, mechanismParams);
byte[] sourceData = ConvertUtils.Utf8StringToBytes("Hello world");
byte[] encryptedData = session.Encrypt(mechanism, publicKey, sourceData);
byte[] decryptedData = session.Decrypt(mechanism, privateKey, encryptedData);
Assert.IsTrue(ConvertUtils.BytesToBase64String(sourceData) == ConvertUtils.BytesToBase64String(decryptedData));
session.DestroyObject(privateKey);
session.DestroyObject(publicKey);
session.Logout();
}
}
}
}
}