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-django-12.1-squeeze-amd64-ovf.zip.sig gpg: Signature made Tue Jun 4 12:55:23 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 3765530681f20b42f79deade3aea202b1de184aa * md5sum d60a349b0739006f691adb0820b6daa4 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) iQEcBAABAgAGBQJRreOxAAoJEIXCXpWhbrlNw5oIAIACJ9nVUgYfKjunuK5MtuBD tpjJJVPSf3bIsK2JPHGcYllYxxZB4UteU/THgv/ixGzqTzMCBXZDKvO+3s3SMijf otls/kpDovQmFUKyCv4Ox3gbP1B9VsCpT3P/JU/c24xLOsVHG4mSYyy5f4tmhjtA YTRWQduIpiLbBRbbEY0Z4f7raa5bB2z5qCmAkAuhAZAZGm3XknS9OMJPN5rxh3/M NKNAnyidPGA30qWKlq7GAP1shFAeQZC4i6luPq6/VSIASoAjdQ/WuYIfQKW56LA+ BcHzaDo3dz5/Ncfx8oPr4DNw4NZ7y517jIFtcndr8qBMwmBu/oZPcjaUXyfGq9g= =Uqb2 -----END PGP SIGNATURE-----