MattaWRT v0.1:
openwrt-ar71xx-generic-wzr-hp-ag300h-squashfs-sysupgrade.bin
openwrt-ar71xx-generic-wzr-hp-ag300h-squashfs-sysupgrade.bin.sig
openwrt-ar71xx-generic-wzr-hp-ag300h-squashfs-tftp.bin
openwrt-ar71xx-generic-wzr-hp-ag300h-squashfs-tftp.bin.sig

Packages are signed using:
pub   2048R/7AA9C2A3 2013-04-29
      Key fingerprint = DBB7 7338 3BC3 49C9 5203  ED91 EAC5 EBF0 7AA9 C2A3
uid                  Florent Daigniere
sub   2048R/75AB23F2 2013-04-29
sub   2048R/7FA16469 2013-04-29