public void Unprotect_KeyNotFound_RefreshOnce_ThrowsKeyNotFound()
{
// Arrange
Guid notFoundKeyId = new Guid("654057ab-2491-4471-a72a-b3b114afda38");
byte[] protectedData = BuildProtectedDataFromCiphertext(
keyId: notFoundKeyId,
ciphertext: new byte[0]);
var mockDescriptor = new Mock <IAuthenticatedEncryptorDescriptor>();
var mockEncryptorFactory = new Mock <IAuthenticatedEncryptorFactory>();
mockEncryptorFactory.Setup(o => o.CreateEncryptorInstance(It.IsAny <IKey>())).Returns(new Mock <IAuthenticatedEncryptor>().Object);
var encryptorFactory = new AuthenticatedEncryptorFactory(NullLoggerFactory.Instance);
// the keyring has only one key
Key key = new Key(Guid.Empty, DateTimeOffset.Now, DateTimeOffset.Now, DateTimeOffset.Now, mockDescriptor.Object, new[] { mockEncryptorFactory.Object });
var keyRing = new CacheableKeyRing(CancellationToken.None, DateTimeOffset.MaxValue, key, new[] { key });
var keyRingProvider = CreateKeyRingProvider(new TestKeyRingProvider(keyRing));
IDataProtector protector = new KeyRingBasedDataProtector(
keyRingProvider: keyRingProvider,
logger: GetLogger(),
originalPurposes: null,
newPurpose: "purpose");
// Act & assert
var ex = ExceptionAssert2.ThrowsCryptographicException(() => protector.Unprotect(protectedData));
Assert.Equal(Error.Common_KeyNotFound(notFoundKeyId).Message, ex.Message);
}
public void Unprotect_NullProtectedData_Throws()
{
// Arrange
IDataProtector protector = new KeyRingBasedDataProtector(
keyRingProvider: new Mock <IKeyRingProvider>().Object,
logger: GetLogger(),
originalPurposes: null,
newPurpose: "purpose");
// Act & assert
ExceptionAssert.ThrowsArgumentNull(() => protector.Unprotect(protectedData: null), "protectedData");
}
public void Unprotect_PayloadHasIncorrectVersionMarker_ThrowsNewerVersion()
{
// Arrange
IDataProtector protector = new KeyRingBasedDataProtector(
keyRingProvider: new Mock <IKeyRingProvider>().Object,
logger: GetLogger(),
originalPurposes: null,
newPurpose: "purpose");
byte[] badProtectedPayload = BuildProtectedDataFromCiphertext(Guid.NewGuid(), new byte[0]);
badProtectedPayload[3]++; // bump the version payload
// Act & assert
var ex = ExceptionAssert2.ThrowsCryptographicException(() => protector.Unprotect(badProtectedPayload));
Assert.Equal(Resources.ProtectionProvider_BadVersion, ex.Message);
}
public void Unprotect_PayloadTooShort_ThrowsBadMagicHeader()
{
// Arrange
IDataProtector protector = new KeyRingBasedDataProtector(
keyRingProvider: new Mock <IKeyRingProvider>().Object,
logger: GetLogger(),
originalPurposes: null,
newPurpose: "purpose");
byte[] badProtectedPayload = BuildProtectedDataFromCiphertext(Guid.NewGuid(), new byte[0]);
badProtectedPayload = badProtectedPayload.Take(badProtectedPayload.Length - 1).ToArray(); // chop off the last byte
// Act & assert
var ex = ExceptionAssert2.ThrowsCryptographicException(() => protector.Unprotect(badProtectedPayload));
Assert.Equal(Resources.ProtectionProvider_BadMagicHeader, ex.Message);
}