pinentry fails for tpm protected key

James Bottomley James.Bottomley at
Mon Dec 27 15:17:41 CET 2021

On Fri, 2021-12-24 at 13:17 -0700, Joshua Rubin via Gnupg-devel wrote:
> When I have "Save in password manager" selected, pinentry fails to
> work at all for my tpm protected private key. The error I get is: The
> value for attribute 'keygrip' was not a valid UTF-8 string.
> If I do not have "Save in password manager" selected, it works fine.

I think you're going to have to be a lot more specific.  I use gpg-
agent with pinentry and tpm keys and it works fine for me on openSUSE
and gpg-2.3.4.


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