public string Generate(string secret)
{
var generator = new UnpaddedHmacSha512TotpGenerator(new TotpGeneratorSettings
{
SharedSecret = OtpSharedSecret.FromBase32String(secret)
});
return(generator.Generate(DateTime.UtcNow));
}
public void ThenItShouldGenerateCorrectCode(string sharedSecret, long counter, string expectedCode)
{
// Arrange
var generator = new HmacSha1HotpGenerator(new HotpGeneratorSettings
{
SharedSecret = OtpSharedSecret.FromAsciiString(sharedSecret)
});
// Act
var actual = generator.Generate(counter);
// Assert
Assert.AreEqual(expectedCode, actual);
}
public void ThenItShouldGenerateCodeFromBase32Encoded(string sharedSecret, long secondsSinceEpoch, string expectedCode)
{
// Arrange
var generator = new HmacSha512TotpGenerator(new TotpGeneratorSettings
{
SharedSecret = OtpSharedSecret.FromBase32String(sharedSecret)
});
var time = new DateTime(1970, 1, 1).AddSeconds(secondsSinceEpoch);
// Act
var actual = generator.Generate(time);
// Assert
Assert.AreEqual(expectedCode, actual);
}
protected override byte[] ConvertSecretToHashKey(OtpSharedSecret sharedSecret)
{
return(sharedSecret.GetKeyOfLength(64));
}
protected override byte[] ConvertSecretToHashKey(OtpSharedSecret sharedSecret)
{
return(sharedSecret.Data);
}
