public void SetPaymentCardSecurityCodeTest()
{
// 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 securityCode = "987";
// Act
bool shouldBeTrue = paymentCardSecret.SetSecurityCode(securityCode, derivedKey);
string securityCodeAfterModification = paymentCardSecret.GetSecurityCode(derivedKey);
bool shouldBeFalse = paymentCardSecret.SetSecurityCode(securityCode, new byte[] { 1, 2, 3 });
// Assert
Assert.IsTrue(shouldBeTrue);
Assert.IsFalse(shouldBeFalse);
Assert.IsFalse(string.IsNullOrEmpty(securityCodeAfterModification));
Assert.AreEqual(securityCode, securityCodeAfterModification);
}
public void GetPaymentCardSecurityCodeTest()
{
// Arrange
byte[] derivedKey = new byte[16] {
98, 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 securityCode = "111";
PaymentCard paymentCard = new PaymentCard("Bank of Dragon", "Cool Dragon", "Debit", "0000000000001234", securityCode, "11/20", "05/33", "Super cool card I have here");
PaymentCardSecret paymentCardSecret = new PaymentCardSecret(paymentCard, "does not matter", skaAES_CTR, derivedKey);
// Act
string paymentCardSecurityCode = paymentCardSecret.GetSecurityCode(derivedKey);
// Assert
Assert.AreEqual(securityCode, paymentCardSecurityCode);
}