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-tomatocart-12.1-squeeze-i386-vmdk.zip.sig gpg: Signature made Wed Jun 5 00:29:04 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 2197e71f7188e0f85ef0f389fab38718586f6057 * md5sum 780aeaabcf4b9dab8f010cdd239cc9c7 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) iQEcBAABAgAGBQJRroZEAAoJEIXCXpWhbrlNhVgIANfyx1L3yuJs8EofOAJADfJd 8WnZGlP+MZ/5WdHoUx09srisyIx/Y94BkrLmBMWEMPoKEM59RWDj5odrAS5tZgm2 qNdPzDz2PNJ/Za4gi7YO8pVuTqi9gVeH5vVIB+V50QW4g87wZYTnWDC8VqZQlndn xZOAisAGqoI6PCUbTvZTPTgolOxNIJUk4GxIKh8T6IA0hNcU4MpXJ8p68FXxVg2b mDLk3cvsHyMEkl9fxsOVyjFGhIqvbv2gkyr8pT+hw8nbyVfC3J/G/w89Df8eqnIZ KsSRklwFFvnlZpFqJGhUvdhtpbGAif3vePh2ekpy2big2ovyF4jAVTRWXE+89ZM= =IHF3 -----END PGP SIGNATURE-----