This signature file may be used to cryptographically verify file integrity, like this:: $ gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify debian-6-turnkey-oscommerce_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 14:25:05 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 97dcb5ac28739ae62e71218fcae32a9e8e5aedf6 * md5sum 5fb94f163e2427f1eef2883fdea4202f You can calculate these on your end and compare to check for errors, but cryptographic verification is recommended for security reasons. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJQM5o4AAoJEIXCXpWhbrlNSPwH/jbZHlL+9tZ65QIWmmUIA1mr FzabMKxnbuTkkMR/IVs7jdazndopCklpPQsqFmjpR5VVb2B3QhRJFBtKoNNnmWbw YzGa7Eyerk0aNmxWgcFfz37K1kmGZU2pTp/nP0WYZ+wgCIVAT6Jr6gfPrAJCloxb KAPFHsm3t+i76N+eV+ACSAaRfs/yuotCCN6lhBmLpJh1flyyvY8hdlhYYyDaoUMh uhkvjrbb8UXxBpAGNHS1O1Q7ilFpSW60BoQRrC9QDmf0GLPJ77jJWrZQsNn11Xyn /GsGnBRsGcgTlIDbX/L8f0WvJ+qtGTpcW9V4PsLW5R3gL77qiF4nVIICnMbZrAc= =pcA+ -----END PGP SIGNATURE-----