Toggle the authenticate capability

Roy A. Gilmore rag at
Mon Dec 5 19:53:16 CET 2016

Hi Werner,

Well, I feel stupid now, after reading your message, I tried
"change-usage", and it works. It's not in the man page, or listed in the
--edit-key help menu, but, there is a one-line note in the NEWS file,
stating that is for testing, so "change-usage" is actually documented,
and I missed it somehow.

Thank you very much,

Roy A. Gilmore

On 12/05/2016 10:20 AM, Werner Koch wrote:
> On Sun,  4 Dec 2016 22:29, rag at said:
>> a separate authentication subkey for use with an OpenPGP smartcard. Is
>> there any way to turn the authenticate capability off on the signing
>> key? It doesn't sound like it should be that difficult, but I've
>   gpg --edit-key YOURKEY
> Select the key you want to change using "key N", enter
>   change-usage
> and follow the prompts.  2.1 only
> Shalom-Salam,
>    Werner

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