Python OATH

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python-oath is a package implementing the three main OATH specifications:

• HOTP, an event based one-time password standard -- OTP -- using HMAC signatures,
• TOTP, a time based OTP,
• OCRA, a mixed OTP / signature system based on HOTP for complex use cases.

It's Python 3 ready.

Getting started

The main APIs are:

• hotp, to generate a password.
• accept_hotp, to check a received password,
• totp and accept_totp, the same for the TOTP standard.
• GoogleAuthenticator to parse Google Authenticator URI
• from_b32key to create a a GoogleAuthenticator object from a simple base32 key