sqlite3 archive is not properly signed

[f.calboli@…]

The following installed ports are outdated:
sqlite3                        3.7.15.1_0 < 3.7.15.2_0   
yyyyyy@xxxxxxy:~$ sudo port -u upgrade outdated 
--->  Computing dependencies for sqlite3
--->  Fetching archive for sqlite3
--->  Attempting to fetch sqlite3-3.7.15.2_0.darwin_12.x86_64.tbz2 from http://jog.id.packages.macports.org/macports/packages/sqlite3
--->  Attempting to fetch sqlite3-3.7.15.2_0.darwin_12.x86_64.tbz2.rmd160 from http://jog.id.packages.macports.org/macports/packages/sqlite3
Error: org.macports.archivefetch for port sqlite3 returned: Failed to verify signature for archive!
Please see the log file for port sqlite3 for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_databases_sqlite3/sqlite3/main.log
Error: Unable to upgrade port: 1
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets

[ryandesign (Ryan Carsten Schmidt)]

I don't know why that would be.