[Freeipa-devel] [PATCH 0033] Add HOTP token support

Nathaniel McCallum npmccallum at redhat.com
Thu Jan 9 21:36:34 UTC 2014


This patch depends on my patch 0029.

In the past we have talked about not adding HOTP support due to the
inability to guarantee timely updates to the counter across replication.
I went ahead and implemented HOTP support for two reasons:

1. Testing the OTP stack with TOTP tokens can be a bit frustrating
waiting for the tokens to generate.

2. Since we aren't implementing watermark support for TOTP, the HOTP
security guarantee seems very similar to me.

Nathaniel
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