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-13.0-wheezy-i386-ovf.zip.sig gpg: Signature made Tue Oct 15 18:06:04 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ab0f3e1fd219865ec8e80707effcfc0a400e2331 * md5sum 8f0ca9cfdc7803489cfad6f05baa1c33 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) iQEcBAABAgAGBQJSXYQAAAoJEIXCXpWhbrlN7VQH/3Zt7G3+m3Gq7RVCxSX6ZUH3 pDTuTJqOcgV7Vp3WkRAK2Fye7XX496t3voFZCyChoV/rDwqjBlzUbZU++hE65VSp h2NepRfjJwp6UsEuIg+yhftLECMdm15XcGo1y0qua6/gMDZAqLszc/ig5+ai4jK0 9OCoNmVLf+sxk6t7dtL8Z5w7dZ1gIgO/GdinLCiJidqTkto1snFNPTSM86/yU0PZ hIxFrEAoZ3QWxY0/7UOasHU2BVZAPiW6YftCHb7EWPpV6OMKamrkaLUPG+81XaiQ XKr24H3yqPk/Md1etK9/7xFdAgKJbydYYg/F5Sjgb8nCpDqsqP89lE0wjg3lrQc= =S7Qk -----END PGP SIGNATURE-----