Version 2.1.0

The library has been downgraded to .NET framework 4.0 to allow usage on older projects.

Version 2.0.0

Version 2.0.0 adds support for the choice of the hashing algorithm used in the one-time code computation.
This is a breaking change because the methods signatures have changed.
The previous fixed hashing algorithm was SHA1.

Version 1.1.0

Add support for key URI as specified in https://code.google.com/p/google-authenticator/wiki/KeyUriFormat

Version 1.0.1

Added a check in the TOTP class to prevent the usage of dates with an unspecified kind (see #1).

Version 1.0.0

First stable release.

Version 0.3.0

Rewrote the Base32 class from scratch to remove the Creative Common code.

Version 0.2.0

Made the library classes static.

Version 0.1.0

First usable version of the HOTP and TOTP classes.