This bug was fixed in the package gnupg - 1.4.18-4ubuntu2
--------------- gnupg (1.4.18-4ubuntu2) vivid; urgency=medium
* Enable SHA-512 support in gpgv-udeb, since Ubuntu's Release.gpg is signed using that digest algorithm (thanks, Nathan Rennie-Waldock; LP: #1403982). -- Colin Watson <email address hidden> Wed, 14 Jan 2015 11:23:40 +0000
This bug was fixed in the package gnupg - 1.4.18-4ubuntu2
---------------
gnupg (1.4.18-4ubuntu2) vivid; urgency=medium
* Enable SHA-512 support in gpgv-udeb, since Ubuntu's Release.gpg is
signed using that digest algorithm (thanks, Nathan Rennie-Waldock;
LP: #1403982).
-- Colin Watson <email address hidden> Wed, 14 Jan 2015 11:23:40 +0000