public void ShouldFailToValidateSignature()
{
// Arrange
IHmacConfiguration configuration = CreateConfiguration();
IHmacSigner signer = new HmacSigner(configuration, _keyRepository);
HmacValidator validator = new HmacValidator(configuration, signer);
const string signatureString1 = "SIGNATURE_STRING";
const string signatureString2 = "SIGNATURE_STRING_DIFFERENT";
byte[] signatureBytes1 = Encoding.UTF8.GetBytes(signatureString1);
byte[] signatureBytes2 = Encoding.UTF8.GetBytes(signatureString2);
// Act
bool isValidString = validator.IsValidSignature(signatureString1, signatureString2);
bool isValidByteArray = validator.IsValidSignature(signatureBytes1, signatureBytes2);
// Assert
Assert.IsFalse(isValidString);
Assert.IsFalse(isValidByteArray);
}
public void GivenWrongSigningKey_WhenIsValidIsCalled_ThenReturnIsFalse()
{
var val = new HmacValidator();
var fields = new Dictionary <string, string>
{
{ "Field1", "Value1" },
{ "Field2", "Value2" },
{ "Field3", "Value3" }
};
var key = "DifferentDFB1EB5485895CFA84146406857104ABB4CBCABDC8AAF103A624C8F6A3EAAB00";
var originalSignature = "oWZFUUcY8F9RzjHpNIGd8kEfIkEdKGSbTqeOt2ScocA=";
val.IsValidSignature(fields, originalSignature, key).Should().BeFalse();
}
public void GivenValidSignature_WhenIsValidIsCalled_ThenReturnIsTrue()
{
var validator = new HmacValidator();
var fields = new Dictionary <string, string>
{
{ "MerchantTransactionId", "12345678901" },
{ "Amount", "10.00" },
{ "CardNumber", "1234123412341234" },
{ "ExpiryMonth", "10" },
{ "ExpiryYear", "2022" },
{ "Cvv", "123" },
{ "Currency", "EUR" }
};
var key = "DFB1EB5485895CFA84146406857104ABB4CBCABDC8AAF103A624C8F6A3EAAB00";
var originalSignature = "j6Ze59AWImB/ka9AySkvCxbOhvdX0P9yqiojz3vfVlE=";
validator.IsValidSignature(fields, originalSignature, key).Should().BeTrue();
}
