I'm using a Windows 7 Pro machine to download the TAILS ISO and the sig, then 
verify it with gpg4win version 2.2.4.  using the latest signing key.


Per https://tails.boum.org/install/download/openpgp/index.en.html I imported 
the TAILS Signing Key.  I can't certify or change it to full trust ... as the 
error shows the Certificate is Expired.  I look further and find that this cert 
in the chain is expired: 54D7834DDB6C364C 1/12/16.  About three more will be 
expiring before the end of the year.  Also, one of the sub keys is 
revoked/expired: AA9E014656987A65.  Are there any plans to remove and/or 
replace the expired/revoked certs so that users can truly verify the 
distribution?


The reason is ask is that when I try to verify the ISO, I get this error back:

"Signed on 2016-11-13 09:08 with unknown certificate 
0x79192EE220449071F589AC00AF292B44A0EDAA41.
The validity of the signature cannot be verified."


The cert in this error does not match the one in the document, located at: 
https://tails.boum.org/install/download/openpgp/index.en.html

"Signed on ... by [email protected] (Key ID: 0x58ACD84F"


I have been downloading and verifying TAILS since version 1.2 (if I remember 
right), and I have only had this problem with the most recent releases.

Thanks for your help, and all that you folks do.

Nick

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