python-oath is a package implementing the three main OATH specifications:
 - HOTP, an event based one-time password standard (RFC 4226)
 - TOTP, a time based OTP (6238)
 - OCRA, a mixed OTP / signature system based on HOTP for complex use cases
   (RFC 6287)

Homepage:
https://github.com/bdauvergne/python-oath
