public void Unprotect_KeyRevoked_RevocationDisallowed_ThrowsKeyRevoked()
{
// Arrange
Guid keyId = new Guid("654057ab-2491-4471-a72a-b3b114afda38");
byte[] protectedData = BuildProtectedDataFromCiphertext(
keyId: keyId,
ciphertext: new byte[0]);
var mockDescriptor = new Mock <IAuthenticatedEncryptorDescriptor>();
mockDescriptor.Setup(o => o.CreateEncryptorInstance()).Returns(new Mock <IAuthenticatedEncryptor>().Object);
// the keyring has only one key
Key key = new Key(keyId, DateTimeOffset.Now, DateTimeOffset.Now, DateTimeOffset.Now, mockDescriptor.Object);
key.SetRevoked();
var keyRing = new KeyRing(key, new[] { key });
var mockKeyRingProvider = new Mock <IKeyRingProvider>();
mockKeyRingProvider.Setup(o => o.GetCurrentKeyRing()).Returns(keyRing);
IDataProtector protector = new KeyRingBasedDataProtector(
keyRingProvider: mockKeyRingProvider.Object,
logger: null,
originalPurposes: null,
newPurpose: "purpose");
// Act & assert
var ex = ExceptionAssert2.ThrowsCryptographicException(() => protector.Unprotect(protectedData));
Assert.Equal(Error.Common_KeyRevoked(keyId).Message, ex.Message);
}
public void SetRevoked_Respected()
{
// Arrange
var now = DateTimeOffset.UtcNow;
var key = new Key(Guid.Empty, now, now, now, new Mock <IAuthenticatedEncryptorDescriptor>().Object);
// Act & assert
Assert.False(key.IsRevoked);
key.SetRevoked();
Assert.True(key.IsRevoked);
}
public void SetRevoked_Respected()
{
// Arrange
var now = DateTimeOffset.UtcNow;
var key = new Key(Guid.Empty, now, now, now, new Mock<IAuthenticatedEncryptorDescriptor>().Object);
// Act & assert
Assert.False(key.IsRevoked);
key.SetRevoked();
Assert.True(key.IsRevoked);
}
public void Unprotect_KeyRevoked_RevocationAllowed_ReturnsOriginalData_SetsRevokedAndMigrationFlags()
{
// Arrange
Guid defaultKeyId = new Guid("ba73c9ce-d322-4e45-af90-341307e11c38");
byte[] expectedCiphertext = new byte[] { 0x03, 0x05, 0x07, 0x11, 0x13, 0x17, 0x19 };
byte[] protectedData = BuildProtectedDataFromCiphertext(defaultKeyId, expectedCiphertext);
byte[] expectedAad = BuildAadFromPurposeStrings(defaultKeyId, "purpose");
byte[] expectedPlaintext = new byte[] { 0x23, 0x29, 0x31, 0x37 };
var mockEncryptor = new Mock <IAuthenticatedEncryptor>();
mockEncryptor
.Setup(o => o.Decrypt(It.IsAny <ArraySegment <byte> >(), It.IsAny <ArraySegment <byte> >()))
.Returns <ArraySegment <byte>, ArraySegment <byte> >((actualCiphertext, actualAad) =>
{
Assert.Equal(expectedCiphertext, actualCiphertext);
Assert.Equal(expectedAad, actualAad);
return(expectedPlaintext);
});
var mockDescriptor = new Mock <IAuthenticatedEncryptorDescriptor>();
mockDescriptor.Setup(o => o.CreateEncryptorInstance()).Returns(mockEncryptor.Object);
Key defaultKey = new Key(defaultKeyId, DateTimeOffset.Now, DateTimeOffset.Now, DateTimeOffset.Now, mockDescriptor.Object);
defaultKey.SetRevoked();
var keyRing = new KeyRing(defaultKey, new[] { defaultKey });
var mockKeyRingProvider = new Mock <IKeyRingProvider>();
mockKeyRingProvider.Setup(o => o.GetCurrentKeyRing()).Returns(keyRing);
IDataProtector protector = new KeyRingBasedDataProtector(
keyRingProvider: mockKeyRingProvider.Object,
logger: null,
originalPurposes: null,
newPurpose: "purpose");
// Act
bool requiresMigration, wasRevoked;
byte[] retVal = ((IPersistedDataProtector)protector).DangerousUnprotect(protectedData,
ignoreRevocationErrors: true,
requiresMigration: out requiresMigration,
wasRevoked: out wasRevoked);
// Assert
Assert.Equal(expectedPlaintext, retVal);
Assert.True(requiresMigration);
Assert.True(wasRevoked);
}
public void Unprotect_KeyRevoked_RevocationAllowed_ReturnsOriginalData_SetsRevokedAndMigrationFlags()
{
// Arrange
Guid defaultKeyId = new Guid("ba73c9ce-d322-4e45-af90-341307e11c38");
byte[] expectedCiphertext = new byte[] { 0x03, 0x05, 0x07, 0x11, 0x13, 0x17, 0x19 };
byte[] protectedData = BuildProtectedDataFromCiphertext(defaultKeyId, expectedCiphertext);
byte[] expectedAad = BuildAadFromPurposeStrings(defaultKeyId, "purpose");
byte[] expectedPlaintext = new byte[] { 0x23, 0x29, 0x31, 0x37 };
var mockEncryptor = new Mock<IAuthenticatedEncryptor>();
mockEncryptor
.Setup(o => o.Decrypt(It.IsAny<ArraySegment<byte>>(), It.IsAny<ArraySegment<byte>>()))
.Returns<ArraySegment<byte>, ArraySegment<byte>>((actualCiphertext, actualAad) =>
{
Assert.Equal(expectedCiphertext, actualCiphertext);
Assert.Equal(expectedAad, actualAad);
return expectedPlaintext;
});
var mockDescriptor = new Mock<IAuthenticatedEncryptorDescriptor>();
mockDescriptor.Setup(o => o.CreateEncryptorInstance()).Returns(mockEncryptor.Object);
Key defaultKey = new Key(defaultKeyId, DateTimeOffset.Now, DateTimeOffset.Now, DateTimeOffset.Now, mockDescriptor.Object);
defaultKey.SetRevoked();
var keyRing = new KeyRing(defaultKey, new[] { defaultKey });
var mockKeyRingProvider = new Mock<IKeyRingProvider>();
mockKeyRingProvider.Setup(o => o.GetCurrentKeyRing()).Returns(keyRing);
IDataProtector protector = new KeyRingBasedDataProtector(
keyRingProvider: mockKeyRingProvider.Object,
logger: null,
originalPurposes: null,
newPurpose: "purpose");
// Act
bool requiresMigration, wasRevoked;
byte[] retVal = ((IPersistedDataProtector)protector).DangerousUnprotect(protectedData,
ignoreRevocationErrors: true,
requiresMigration: out requiresMigration,
wasRevoked: out wasRevoked);
// Assert
Assert.Equal(expectedPlaintext, retVal);
Assert.True(requiresMigration);
Assert.True(wasRevoked);
}
public void Unprotect_KeyRevoked_RevocationDisallowed_ThrowsKeyRevoked()
{
// Arrange
Guid keyId = new Guid("654057ab-2491-4471-a72a-b3b114afda38");
byte[] protectedData = BuildProtectedDataFromCiphertext(
keyId: keyId,
ciphertext: new byte[0]);
var mockDescriptor = new Mock<IAuthenticatedEncryptorDescriptor>();
mockDescriptor.Setup(o => o.CreateEncryptorInstance()).Returns(new Mock<IAuthenticatedEncryptor>().Object);
// the keyring has only one key
Key key = new Key(keyId, DateTimeOffset.Now, DateTimeOffset.Now, DateTimeOffset.Now, mockDescriptor.Object);
key.SetRevoked();
var keyRing = new KeyRing(key, new[] { key });
var mockKeyRingProvider = new Mock<IKeyRingProvider>();
mockKeyRingProvider.Setup(o => o.GetCurrentKeyRing()).Returns(keyRing);
IDataProtector protector = new KeyRingBasedDataProtector(
keyRingProvider: mockKeyRingProvider.Object,
logger: null,
originalPurposes: null,
newPurpose: "purpose");
// Act & assert
var ex = ExceptionAssert2.ThrowsCryptographicException(() => protector.Unprotect(protectedData));
Assert.Equal(Error.Common_KeyRevoked(keyId).Message, ex.Message);
}
