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 turnkey-statusnet-12.1-squeeze-amd64-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 16:24:29 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum b860a9355bed2c638a8e507894b4f1acaed4b890 * md5sum 9cf98cb02965a851ff7b4751b3e39dca 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) iQEcBAABAgAGBQJRrhS2AAoJEIXCXpWhbrlNma4H/1PnEJbvqOoFo5L0pzQnXoUv oqc2mEuJ/Hbq6++c8TfY/OmW0atmEKn2xNgv3C4IewxJeAEuQcizUb6TY25WeNLt 1y3isNF3S+wF8IBwO1gVeHu9M0BkspmeNqS3vL2y4OY2fO5bee4XCxg0PB/SWE6O 0DV4IrZEqJgN+9qAjDAU/KFZQlMkx02z6iPKFRQKTzv2YxvKvah9jwgL4E1ZlIJn SB+o6WrhA8Uoz83aPCTlGC6JD5b5XNU5I2NE0wt/YAT+tLcinuYUrP0hs/7Tc8q5 pqQGoW97GzbJZOYYLeKI/D3eS2iN62F6IlB/WzW3VgOwr2vbtdLRvQ8+JJMpPLo= =zGsR -----END PGP SIGNATURE-----