Decryption troubles

Werner Koch wk at gnupg.org
Thu Oct 11 11:05:03 CEST 2018


On Wed, 10 Oct 2018 20:33, siemons at cleanfuels.nl said:

> gpg: decryption failed: No secret key

Well, you don't have the secret key (aka private key) to decrypt the
message.


> sec   rsa2048 2009-09-27 [SCA]
>       A5F3C219AB2601BEC1BCE4F2AEEC5E2ED87628F5
[..]
> ssb   rsa2048 2009-09-27 [E]
> ssb#  rsa2048 2017-03-18 [E]

That last key _seems_ to be used.  On the keyserver I only found the
first subkey and thus I can't be sure.  Use

gpg --with-subkey-fingerprint -K 

to also show the fingerprints of subkeys.  However, that subkey has been
taken offline and that can be the reason why you see the "No secret key"

> sec>  rsa2048 2017-03-18 [SC]
>       FA8FD0825931914AD032F6A40E92D34261B68C62
>       Card serial no. = 0005 000047CF
> uid           [ unknown] Roland Siemons <R.V.Siemons at alumnus.utwente.nl>
> ssb>  rsa2048 2017-03-18 [A]
> ssb>  rsa2048 2017-03-18 [E]


May it be that the last key is the same subkey as the one above?


Shalom-Salam,

   Werner

-- 
Die Gedanken sind frei.  Ausnahmen regelt ein Bundesgesetz.
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