otpauth 0.1.1

Implements two-step verification of HOTP/TOTP

Installation

To install otpauth, simply:

$ pip install otpauth

Usage

Generate and validate an otp code is very simple:

>>> from otpauth import OtpAuth
>>> auth = OtpAuth('secret')  # a secret string
>>> auth.hotp()
330810
>>> auth.valid_hotp(330810)
4
>>> auth.hotp(2)
720111
>>> auth.valid_hotp(720111)
2
>>> auth.totp()  # a time based string
828657
>>> auth.valid_totp(828657)
True

Google Authenticator

You can create a QR code for Google Authenticator to scan:

>>> from otpauth import OtpAuth
>>> auth = OtpAuth('secret')  # a secret string
>>> s = auth.to_google('totp', 'Example:[e-mail]', 'Foo')
>>> import qrcode
>>> img = qrcode.make(s)