GPG keys for official repositories:
sabayonlinux.org [amd64]: F96D EF6B 01C5 BDAE B1BA DB8C B116 DA6F 114D 935D
sabayonlinux.org [x86]: 6EF0 055F 8538 092B 13B4 49EC 6914 28D9 EE88 C3A7
sabayon-limbo [amd64]: FCC1 1455 E96B DABC 11F6 CB79 20B7 C48D CF88 87CB
sabayon-limbo [x86]: 953E E0A9 19B3 87F0 B711 CD20 022F 8986 BA84 AF29