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-prestashop-12.1-squeeze-amd64-vmdk.zip.sig gpg: Signature made Tue Jun 4 15:23:25 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum e648d511205ae3ff28e7074ace132be4b8ae7e6b * md5sum 5005ad87f3c9a44e332fb4d9cf5887fe 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) iQEcBAABAgAGBQJRrgZkAAoJEIXCXpWhbrlNxMcH/0uE1tPaUNBLJHMyZxHLOSuV JNwXmEyPENP7ZNm5TVelWN1JspWhpgE2GylhJ5CD97t32G54Tbiknsk8xmaSqbDA S87qWmP4VRC/TCeY0EHY/Wb43v4cPtcoiFUzwNzgcZDWNlbrf5OmCOmdJf5UjflX /gSgxCu14zCpA0yNfMM/F/ilmTuyIj5tzbJPb1BKpSdNd9ImeR7dcrxfsK2z+tfy j1kM1srsVlUqJkAi6FWhvvdDJiKc/MB0B3T21i1Ke1QFerj9LWENHsfNRWM6U/D3 ZdAH01Uif1KHBzndT60p635FqqZu9F+/mcuAfNk1CudEQrS9JiobbUsJOWy3gKo= =LCGM -----END PGP SIGNATURE-----