Daiki Ueno writes:
> wahjava.ml@gmail.com (Ashish SHUKLA) writes:

>> #v+
>> /usr/local/bin/gpg2 --no-tty --status-fd 1 --yes --use-agent --command-fd 0 --armor --textmode --output /tmp/epg-output62957uOj --detach-sign -u 1F2F8410762E5E74
>> Warning: using insecure memory!
>> gpg: skipped "1F2F8410762E5E74": Unusable secret key
>> [GNUPG:] INV_SGNR 9 1F2F8410762E5E74
>> gpg: signing failed: Unusable secret key
>> #v-
>> 
>> The above mentioned key id belongs to my GPG key which I revoked, but it's
>> still present in my system to decrypt old content encrypted with it.

> It looks strange that mml2015 passes the expired key to gpg, since
> `mml2015-epg-sign' is expected to reject such a key through
> `mml2015-epg-find-usable-key'.

> Do you see 1F2F8410762E5E74 key with:

> (mml2015-epg-find-usable-key
>  (epg-list-keys (epg-make-context 'OpenPGP) "1F2F8410762E5E74" t)
>  'sign)

Yes, I see that key. And, please note that it's not expired, it's revoked.

Thanks
-- 
Ashish SHUKLA

“There are 10 types of people in this world, those who understand
binary and those who do not” (anonymous)