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 debian-7-turnkey-prestashop_13.0-1_amd64.tar.gz.sig gpg: Signature made Wed Oct 16 09:59:49 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum d309e0eede527efad196f8943185592b0e684a5a * md5sum 2e0bf99728bd000fbe43577e5a23e3ae 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) iQEcBAABAgAGBQJSXmOOAAoJEIXCXpWhbrlNiKgH/1AjeqzUnddR23RW2YYvM/5G B7KOpEf5Wj0XZqSaxxIekfUrDfClzNvQ5LezOCStKPVTun575Oet2gN1vkpk0X1l Ik5JMleZUIX8ZdyQlBsZpQRlSLIi+mAlT5mmSXM/uNMLFScn1xqS1nub3tOfhiS/ IbOzWmAZ+Hy/rjWFwR99jh9VFath02Dph5FpzvVEfieWlG0hztdaYTEo//JNXr7h O3/cy0bHnTKIqy9U3wH6ECqaZNWqDR1aebVg0rxbAgoM2rT1THH2Y6efTGFP+kfl uXxES441HFOlVmPho+RmLY7kpovwFz4BTzuaZpa6RGRhumSeNBDO0azwIhf746Q= =jhuH -----END PGP SIGNATURE-----