/// <summary>
/// Validates that this <see cref="CngGcmAuthenticatedEncryptorConfiguration"/> is well-formed, i.e.,
/// that the specified algorithm actually exists and can be instantiated properly.
/// An exception will be thrown if validation fails.
/// </summary>
void IInternalAlgorithmConfiguration.Validate()
{
var factory = new CngGcmAuthenticatedEncryptorFactory(NullLoggerFactory.Instance);
// Run a sample payload through an encrypt -> decrypt operation to make sure data round-trips properly.
using (var encryptor = factory.CreateAuthenticatedEncryptorInstance(Secret.Random(512 / 8), this))
{
encryptor.PerformSelfTest();
}
}
private static IAuthenticatedEncryptor CreateEncryptorInstanceFromDescriptor(CngGcmAuthenticatedEncryptorDescriptor descriptor)
{
var encryptorFactory = new CngGcmAuthenticatedEncryptorFactory(NullLoggerFactory.Instance);
var key = new Key(
keyId: Guid.NewGuid(),
creationDate: DateTimeOffset.Now,
activationDate: DateTimeOffset.Now + TimeSpan.FromHours(1),
expirationDate: DateTimeOffset.Now + TimeSpan.FromDays(30),
descriptor: descriptor,
encryptorFactories: new[] { encryptorFactory });
return(key.CreateEncryptor());
}
public void CreateEncrptorInstance_UnknownDescriptorType_ReturnsNull()
{
// Arrange
var key = new Mock <IKey>();
key.Setup(k => k.Descriptor).Returns(new Mock <IAuthenticatedEncryptorDescriptor>().Object);
var factory = new CngGcmAuthenticatedEncryptorFactory(NullLoggerFactory.Instance);
// Act
var encryptor = factory.CreateEncryptorInstance(key.Object);
// Assert
Assert.Null(encryptor);
}
public void CreateEncrptorInstance_ExpectedDescriptorType_ReturnsEncryptor()
{
// Arrange
var descriptor = new CngGcmAuthenticatedEncryptorConfiguration().CreateNewDescriptor();
var key = new Mock <IKey>();
key.Setup(k => k.Descriptor).Returns(descriptor);
var factory = new CngGcmAuthenticatedEncryptorFactory(NullLoggerFactory.Instance);
// Act
var encryptor = factory.CreateEncryptorInstance(key.Object);
// Assert
Assert.NotNull(encryptor);
Assert.IsType <CngGcmAuthenticatedEncryptor>(encryptor);
}
