public void truncatedHashTest()
{
string userString = "test_password";
string goodHash = creator.CreateHash(userString);
string badHash = "";
int badHashLength = goodHash.Length;
do
{
badHashLength -= 1;
badHash = goodHash.Substring(0, badHashLength);
bool raised = false;
try
{
creator.VerifyPassword(userString, badHash);
}
catch (InvalidHashException)
{
raised = true;
}
if (!raised)
{
Console.WriteLine("Truncated hash test: FAIL " +
"(At hash length of " + badHashLength + ")");
System.Environment.Exit(1);
}
// The loop goes on until it is two characters away from the last : it
// finds. This is because the PBKDF2 function requires a hash that's at
// least 2 characters long. This will be changed once exceptions are
// implemented.
} while (badHash[badHashLength - 3] != ':');
Console.WriteLine("Truncated hash test: pass");
}
