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-sahana-eden-12.0-squeeze-x86-vmdk.zip.sig gpg: Signature made Tue Aug 21 12:25:36 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 1d5bd737301024ee5b1c662f49923dc1b10dad45 * md5sum 87635b21f23482d0b865303d702c444a 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) iQEcBAABAgAGBQJQM34yAAoJEIXCXpWhbrlNnskH/A0E3f6MYlle4EOXb70SxIX9 ZTW+Kff/ZpdIkCnHtNb4O9MvqVwHYLOVfB2Td3CSMdri+icu/LrE2ZSb2QSUB9ys U4zoKtYqzmLD8g4BiAuVW+W17UFxUiklbjPNen7t59Ux5lsm/NvcjojhoDjKb7Kk 6iWJmimPxD11+gkwqTl1qaDzhkywPQpJIUsNt/dnRAm+7LUARWCRlmG0+fB1bxyd b83quZZNmM4yq5VWt9ew3ACPYfxbrAD4fifd7T4IYATlTt0GBtYyUp68J65rKGK8 jkZuCvk2Sn1Rs6tIISzFV+dRmz6vFhYeR6WFHj6ZxrBfYlAVdn7v6pFrysFzehg= =YZ5E -----END PGP SIGNATURE-----