public void AlteredKeyCheckValueIsNotValid()
{
byte[] key = CryptoRandom.NextBytesStatic(32);
byte[] kcv = KeyCheckValueValidator.GenerateKeyCheckValue(key);
if (key[0] > 120)
{
key[0]--;
}
else
{
key[0]++;
}
bool exceptionWasThrown = false;
try
{
KeyCheckValueValidator.ValidateKeyCheckValue(key, kcv);
}
catch (KeyCheckValueValidationException)
{
exceptionWasThrown = true;
}
Assert.True(exceptionWasThrown, "Validation of KCV should have failed, but it didn't");
}
public void UnalteredKeyCheckValueIsValid()
{
byte[] key = CryptoRandom.NextBytesStatic(32);
byte[] kcv = KeyCheckValueValidator.GenerateKeyCheckValue(key);
bool exceptionWasThrown = false;
try
{
KeyCheckValueValidator.ValidateKeyCheckValue(key, kcv);
}
catch (KeyCheckValueValidationException)
{
exceptionWasThrown = true;
}
Assert.False(exceptionWasThrown, "Validation of KCV has failed");
}