[OATH-Toolkit-help] Bug#707816: liboath0: SHA2 support for TOTP

[Alessandro Ghedini]

On Thu, May 30, 2013 at 01:22:34PM +0200, Simon Josefsson wrote:
> I agree it would indeed be nice to support this.  Do you have any
> particular use-case in mind?  I don't recall seeing TOTP with SHA-2 used
> on any major site.  If there is a compelling use-case that might improve
> chances of this being implemented earlier.

Well, my original motivation was that I wanted to use pam_oath along with an
hardware HMAC-SHA256 generator that I have around, but I later realized that
it adds additional data to the HMAC which would probably make it incompatible
with TOTP. Still, there's no harm in trying... but there's no urgency either.

Cheers

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