OTP Calculator

This calculator generates passwords for the OTP or S/Key one-time-password systems.

The calculator is entirely local to your browser window, no data is sent to us or any external partners.

Enter the challenge string from the host you are trying to elevate access on
This is the password used only for challenges. Do NOT type it into the response box on the machine.
Number of responses to generate:
How many responses to generate. If more than the default of one response, your next responses will be generated by decreasing the iterator count by one. If you compute more than one response, all responses will be prefixed with their iteration number. This should not be included in your OPIE response.


Copy this response and paste it into the terminal window where you need to elevate your access.