public void TestingOTPConstructorDefaultValues()
{
string secret = "SomeKey";
byte[] key = Encoding.UTF8.GetBytes(secret);
OneTimePassword generator = new OneTimePassword(key, null);
Assert.IsNotNull(generator);
Assert.AreEqual(OneTimePassword.MAXIMUM_DIGITS, generator.digits);
Assert.AreEqual("HMACSHA1", generator.digest.ToString());
}
private string GetPassword(string userId, long counter, int digits = 6)
{
if (String.IsNullOrWhiteSpace(userId))
{
throw new TimeBasedOneTimePasswordException("UserId cannot be empty.");
}
byte[] key = System.Text.Encoding.ASCII.GetBytes(_secret);
var otp = new OneTimePassword(key, _algorithm, digits);
return otp.Generate(userId, counter);
}
private string GetPassword(string userId, long counter, int digits = 6)
{
if (String.IsNullOrWhiteSpace(userId))
{
throw new TimeBasedOneTimePasswordException("UserId cannot be empty.");
}
byte[] key = System.Text.Encoding.ASCII.GetBytes(_secret);
var otp = new OneTimePassword(key, _algorithm, digits);
return(otp.Generate(userId, counter));
}
public void TestingMD5()
{
string secret = "SomeKey";
byte[] key = Encoding.UTF8.GetBytes(secret);
var hmac = new HashMd5();
OneTimePassword generator = new OneTimePassword(key, hmac);
String otp = generator.Generate("12345", 0);
Assert.IsNotNull(otp);
Assert.AreEqual(8, otp.Length);
Assert.AreEqual("29321840", otp);
}
public void TestingOTPConstructorPassAllValues()
{
string secret = "SomeKey";
byte[] key = Encoding.UTF8.GetBytes(secret);
int returnDigits = 6;
IHashAlgorithm hmacSha1 = new HashSha512();
OneTimePassword generator = new OneTimePassword(key, hmacSha1, returnDigits);
Assert.IsNotNull(generator as OneTimePassword);
Assert.AreEqual(returnDigits, generator.digits);
Assert.AreEqual("HMACSHA512", generator.digest.ToString());
}
public void TestingSha512()
{
string secret = "SomeKey";
byte[] key = Encoding.UTF8.GetBytes(secret);
long interval = 66778;
int returnDigits = 6;
var hmac = new HashSha512();
OneTimePassword generator = new OneTimePassword(key, hmac, returnDigits);
String otp = generator.Generate("12345", interval);
Assert.IsNotNull(otp);
Assert.AreEqual(6, otp.Length);
Assert.AreEqual("155083", otp);
}
public void TestingUserId()
{
string secret = "SomeKey";
byte[] key = Encoding.UTF8.GetBytes(secret);
long interval = 1;
var hmacSha1 = new HashSha512();
OneTimePassword generator = new OneTimePassword(key, hmacSha1);
String otp = generator.Generate("user", interval);
Assert.AreEqual(OneTimePassword.MAXIMUM_DIGITS, otp.Length);
Assert.AreEqual("23297176", otp);
}
public void TestingDigitsValidation()
{
var otp = new OneTimePassword(new byte[2], new HashMd5(), 100);
}
public void TestingUserIdWithoutInterval()
{
string secret = "SomeKey";
byte[] key = Encoding.UTF8.GetBytes(secret);
var hmacSha1 = new HashSha1();
OneTimePassword generator = new OneTimePassword(key, hmacSha1);
String otp = generator.Generate("user", 0);
Assert.AreEqual(OneTimePassword.MAXIMUM_DIGITS, otp.Length);
Assert.AreEqual("31249860", otp);
}
