This is a Go implementation of the Google Authenticator library.

Copyright (c) 2012 Damian Gryski damian@gryski.com This code is licensed under the Apache License, version 2.0

It implements the one-time-password algorithms specified in:

• RFC 4226 (HOTP: An HMAC-Based One-Time Password Algorithm)
• RFC 6238 (TOTP: Time-Based One-Time Password Algorithm)

You can learn more about the Google Authenticator library at its project page:

• https://github.com/google/google-authenticator