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-magento-13.0-wheezy-i386-ovf.zip.sig gpg: Signature made Tue Oct 15 16:31:26 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 61f08bdc15d7a9658ff45f1de13a6b1885ceddca * md5sum 4e37aea3ede4218ecc21307a6360128e 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) iQEcBAABAgAGBQJSXW3SAAoJEIXCXpWhbrlNO2AIAIk1ynr2SwMrq0IaFnv0CDAk O+2ju29cK5zDHUKOUwlILMy6k58IIJSGZEiT7CoR8y/fQMioMgS/+Sc3fwbRVKVl dgOn6dBoffLCvKzvo9M94pGXONq9gyEAmHtpXksdgYlYoI+3b7Al4Jd5zQ0UtKQc 4C3qiyoYFCFgXxc5VwIw0BgEBgfm4JWilQpiypCnIm8O/rpbzwf3eCX5z7rqXOgq 3U4EQz3ygZ6LXMf0r9ynL0jgEPE8r34Mm2Rs4bfaHyd++uTwJfPf5KyXkp0qANls l2f9lkQA5SHRHSgUbSlLjQPDze01KPz/OYWaXtPjwYAaCaHtBXG/SqQ7yOR62Hc= =lBHh -----END PGP SIGNATURE-----