public void ChecksumSurvivesRoundtrip()
{
// Arrange
byte[] derivedKey = new byte[16] {
15, 200, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 104, 15, 16
};
byte[] initialCounter = new byte[] { 0xf0, 0xf1, 0xfb, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xf3, 0xff };
SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter);
SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 128, settingsAES_CTR);
PaymentCard paymentCard = new PaymentCard("Bank of Dragon", "Cool Dragon", "Debit", "0000000000001234", "111", "11/20", "05/33", "Super cool card I have here");
PaymentCardSecret paymentCardSecret = new PaymentCardSecret(paymentCard, "does not matter", skaAES_CTR, derivedKey);
// Act
string checksum1 = paymentCardSecret.GetChecksumAsHex();
string json = JsonConvert.SerializeObject(paymentCardSecret, Formatting.Indented);
PaymentCardSecret paymentCardSecret2 = JsonConvert.DeserializeObject <PaymentCardSecret>(json);
// Assert
Assert.AreEqual(64, checksum1.Length);
Assert.AreEqual(checksum1, paymentCardSecret2.GetChecksumAsHex());
}
public void DeepCopyTest()
{
// Arrange
byte[] derivedKey = new byte[16] {
111, 222, 31, 4, 5, 6, 1, 82, 93, 102, 11, 12, 13, 104, 15, 16
};
byte[] initialCounter = new byte[] { 0xf0, 0xf1, 0xfb, 0xf3, 0xaa, 0xf5, 0xf6, 0xbb, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff };
SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter);
SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 128, settingsAES_CTR);
string title = "Bank of Dragon";
PaymentCard paymentCard = new PaymentCard(title, "Cool Dragon", "Debit", "0000000000001234", "111", "11/20", "05/33", "Super cool card I have here");
PaymentCardSecret paymentCardSecret = new PaymentCardSecret(paymentCard, "does not matter", skaAES_CTR, derivedKey);
// Act
PaymentCardSecret paymentCardSecretCopy = new PaymentCardSecret(paymentCardSecret);
string paymentCardTitle = paymentCardSecretCopy.GetTitle(derivedKey);
// Assert
Assert.IsFalse(string.IsNullOrEmpty(paymentCardTitle));
Assert.AreEqual(title, paymentCardTitle);
Assert.AreNotSame(paymentCardSecret.audalfData, paymentCardSecretCopy.audalfData, "AUDALF byte arrays should be in different memory locations");
CollectionAssert.AreEqual(paymentCardSecret.keyIdentifier, paymentCardSecretCopy.keyIdentifier);
Assert.AreNotSame(paymentCardSecret.keyIdentifier, paymentCardSecretCopy.keyIdentifier, "Key identifier byte arrays should be in different memory locations");
Assert.AreEqual(paymentCardSecret.checksum, paymentCardSecretCopy.checksum);
}
public void SetPaymentCardNotesTest()
{
// Arrange
byte[] derivedKey = new byte[16] {
111, 222, 31, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 104, 15, 16
};
SymmetricKeyAlgorithm ska = SymmetricKeyAlgorithm.GenerateNew(SymmetricEncryptionAlgorithm.AES_CTR);
PaymentCard paymentCard = new PaymentCard("Bank of Dragon", "Cool Dragon", "Debit", "0000000000001234", "111", "11/20", "05/33", "Super cool card I have here");
PaymentCardSecret paymentCardSecret = new PaymentCardSecret(paymentCard, "does not matter", ska, derivedKey);
string notes = "Yet another non useful note";
// Act
bool shouldBeTrue = paymentCardSecret.SetNotes(notes, derivedKey);
string notesAfterModification = paymentCardSecret.GetNotes(derivedKey);
bool shouldBeFalse = paymentCardSecret.SetNotes(notes, new byte[] { 1, 2, 3 });
// Assert
Assert.IsTrue(shouldBeTrue);
Assert.IsFalse(shouldBeFalse);
Assert.IsFalse(string.IsNullOrEmpty(notesAfterModification));
Assert.AreEqual(notes, notesAfterModification);
}
public void CanBeDecryptedWithDerivedPassword()
{
byte[] derivedKey1 = new byte[16] {
11, 222, 31, 47, 75, 168, 78, 13, 61, 118, 221, 18, 213, 104, 15, 16
};
byte[] derivedKey2 = new byte[16] {
11, 222, 31, 47, 75, 168, 78, 13, 61, 118, 221, 18, 213, 104, 15, 15
};
byte[] initialCounter = new byte[] { 0xa7, 0xb1, 0xcb, 0xcd, 0xaa, 0xc5, 0xd3, 0xb5, 0x58, 0x51, 0x95, 0x2b, 0x33, 0xfd, 0xfe, 0xff };
SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter);
SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 256, settingsAES_CTR);
string keyIdentifier = "primary";
PaymentCard paymentCard = new PaymentCard("Bank of Dragon", "Cool Dragon", "Debit", "0000000000001234", "111", "11/20", "05/33", "Super cool card I have here");
// Act
PaymentCardSecret paymentCardSecret = new PaymentCardSecret(paymentCard, keyIdentifier, skaAES_CTR, derivedKey1);
// Assert
Assert.IsTrue(paymentCardSecret.CanBeDecryptedWithDerivedPassword(derivedKey1));
Assert.IsFalse(paymentCardSecret.CanBeDecryptedWithDerivedPassword(null));
Assert.IsFalse(paymentCardSecret.CanBeDecryptedWithDerivedPassword(new byte[] {}));
Assert.IsFalse(paymentCardSecret.CanBeDecryptedWithDerivedPassword(derivedKey2));
}
public void SetPaymentCardTitleTest()
{
// Arrange
byte[] derivedKey = new byte[16] {
111, 222, 31, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 104, 15, 16
};
SymmetricKeyAlgorithm ska = SymmetricKeyAlgorithm.GenerateNew(SymmetricEncryptionAlgorithm.AES_CTR);
PaymentCard paymentCard = new PaymentCard("Bank of Dragon", "Cool Dragon", "Debit", "0000000000001234", "111", "11/20", "05/33", "Super cool card I have here");
PaymentCardSecret paymentCardSecret = new PaymentCardSecret(paymentCard, "does not matter", ska, derivedKey);
string title = "future text that is happy and joyful for all holiday purposes...";
// Act
bool shouldBeTrue = paymentCardSecret.SetTitle(title, derivedKey);
string titleAfterModification = paymentCardSecret.GetTitle(derivedKey);
bool shouldBeFalse = paymentCardSecret.SetTitle(title, new byte[] { 1, 2, 3 });
// Assert
Assert.IsTrue(shouldBeTrue);
Assert.IsFalse(shouldBeFalse);
Assert.IsFalse(string.IsNullOrEmpty(titleAfterModification));
Assert.AreEqual(title, titleAfterModification);
}
public void GetModificationTimeTest()
{
// Arrange
byte[] derivedKey = new byte[16] {
15, 200, 3, 4, 15, 6, 7, 8, 9, 10, 11, 112, 139, 104, 15, 16
};
byte[] initialCounter = new byte[] { 0xf0, 0xf1, 0xfb, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xf3, 0xff };
SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter);
SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 128, settingsAES_CTR);
PaymentCard paymentCard = new PaymentCard("Bank of Dragon", "Cool Dragon", "Debit", "0000000000001234", "111", "11/20", "05/33", "Super cool card I have here");
PaymentCardSecret paymentCardSecret = new PaymentCardSecret(paymentCard, "does not matter", skaAES_CTR, derivedKey);
// Act
DateTimeOffset modificationTime1 = paymentCardSecret.GetModificationTime(derivedKey);
Thread.Sleep(1100);
paymentCardSecret.SetTitle("1234567", derivedKey);
DateTimeOffset modificationTime2 = paymentCardSecret.GetModificationTime(derivedKey);
// Assert
Assert.Greater(modificationTime2, modificationTime1);
}
public void ConstructorTest()
{
// Arrange
byte[] derivedKey = new byte[16] {
1, 1, 1, 4, 5, 6, 7, 6, 7, 10, 11, 12, 13, 4, 15, 16
};
byte[] initialCounter = new byte[] { 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf1, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff };
SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter);
SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 128, settingsAES_CTR);
Dictionary <string, object> testDictionary = new Dictionary <string, object>()
{
{ PaymentCard.titleKey, "Super cool card" }
};
PaymentCardSecret paymentCardSecret = new PaymentCardSecret(testDictionary, "does not matter", skaAES_CTR, derivedKey);
// Act
// Assert
Assert.IsNotNull(paymentCardSecret);
Assert.IsNotNull(paymentCardSecret.audalfData);
}
public void GetKeyIdentifierTest()
{
// Arrange
byte[] derivedKey = new byte[16] {
111, 222, 31, 47, 75, 168, 78, 83, 91, 110, 221, 18, 213, 104, 15, 16
};
byte[] initialCounter = new byte[] { 0xa0, 0xb1, 0xcb, 0xcd, 0xaa, 0xc5, 0xd3, 0xb5, 0x58, 0x59, 0x15, 0x2b, 0x33, 0xfd, 0xfe, 0xff };
SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter);
SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 256, settingsAES_CTR);
string keyIdentifier = "primary";
PaymentCard paymentCard = new PaymentCard("Bank of Dragon", "Cool Dragon", "Debit", "0000000000001234", "111", "11/20", "05/33", "Super cool card I have here");
// Act
PaymentCardSecret paymentCardSecret = new PaymentCardSecret(paymentCard, keyIdentifier, skaAES_CTR, derivedKey);
// Assert
Assert.AreEqual(keyIdentifier, paymentCardSecret.GetKeyIdentifier());
}
public void GetPaymentCardNotesTest()
{
// Arrange
byte[] derivedKey = new byte[16] {
100, 2, 3, 4, 5, 6, 7, 8, 90, 10, 11, 12, 13, 104, 15, 16
};
byte[] initialCounter = new byte[] { 0x10, 0xf1, 0xfb, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff };
SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter);
SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 128, settingsAES_CTR);
string notes = "Super cool card I have here";
PaymentCard paymentCard = new PaymentCard("Bank of Dragon", "Cool Dragon", "Debit", "0000000000001234", "111", "11/20", "05/33", notes);
PaymentCardSecret paymentCardSecret = new PaymentCardSecret(paymentCard, "does not matter", skaAES_CTR, derivedKey);
// Act
string paymentCardNotes = paymentCardSecret.GetNotes(derivedKey);
// Assert
Assert.AreEqual(notes, paymentCardNotes);
}
public void GetPaymentCardTest()
{
// Arrange
byte[] derivedKey = new byte[16] {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 104, 15, 16
};
byte[] initialCounter = new byte[] { 0xf0, 0xf1, 0xfb, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff };
SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter);
SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 128, settingsAES_CTR);
PaymentCard paymentCard = new PaymentCard("Bank of Dragon", "Cool Dragon", "Debit", "0000000000001234", "111", "11/20", "05/33", "Super cool card I have here");
PaymentCardSecret paymentCardSecret = new PaymentCardSecret(paymentCard, "does not matter", skaAES_CTR, derivedKey);
// Act
PaymentCard paymentCardCopy = paymentCardSecret.GetPaymentCard(derivedKey);
// Assert
Assert.IsTrue(ComparisonHelper.ArePaymentCardsEqual(paymentCard, paymentCardCopy));
Assert.AreEqual(paymentCard.creationTime, paymentCardCopy.creationTime);
Assert.AreEqual(paymentCard.modificationTime, paymentCardCopy.modificationTime);
}
public static bool ArePaymentCardSecretsEqual(PaymentCardSecret paymentCard1, PaymentCardSecret paymentCard2)
{
return(StructuralComparisons.StructuralEqualityComparer.Equals(paymentCard1.audalfData, paymentCard2.audalfData) && AreSymmetricKeyAlgorithmsEqual(paymentCard1.algorithm, paymentCard2.algorithm));
}
