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-canvas-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:03:53 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum e0ddb985538ff21907aaf10f0f9bce80af41f1ed * md5sum d26e899904a24a1067947f54c27791c4 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 v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSc25fAAoJEIXCXpWhbrlNjagH/324XRk24y9jbNiF3qIrDLjU OJwvOw7MraMj5kM+/UhFZp8E0iKfho81eSy+L3MIrWD0dF6ZmjKEoofLoVc3no11 1wC46ui2D49Cb7xzV3E2k0YIXmC0rn8tkxsdqITcgatIWoRqunuxTycFugH24aCu Xoc4wrGkUoQ3A1mnFPyHNjqss268DDGzlMisA0uPkBaDcPKEaqhcXpR8SHY9v5rm 8w02DcKt02sAHGmOBdDHrvYDp8fatf51R6yhH8qFlEYubMpphd7ox89KTmtWuNLw R8zKLdmwHtwYfxvPjk6UmwpQu6kiN7ODi5/eDOYn5H2RVjJ2kmZAkw7UqloTDik= =Aoc8 -----END PGP SIGNATURE-----