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-django-13.0-wheezy-i386-vmdk.zip.sig gpg: Signature made Tue Oct 15 15:26:19 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ef096175101df686e7f584c9cf109c01e5bd1b27 * md5sum 1c8b31c3cd00de8635b9ed3a357ba3bf 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) iQEcBAABAgAGBQJSXV6SAAoJEIXCXpWhbrlNi78IALm2IeW3OMcGTEkbS6M1Dmko xrIxq7BSd3nQoF8tvoO0Jg0qTm+WGeDe/e7wxGaOPF/W/mPQ8fXbfk7cYbgUjJSG 4ghfPkUKWizATQGlybIIZxrViay1hI+bZT+ld0DWsY+EscZohAdOxwfN1RmZzddN MQyV+YsyKZmDICCvX6IqtQLDXCBY9+EX15jEW7sttEDxZVF22H/4lgrqpdCbuz/v uw1Yfd8ft5F9jxXqiZ9XyI9AN9dUdwaEBBA20TXDLUYWniQ2FJwtdwjHGVhRLWdm nlGH122irKvwlPO1tYMlhUHjZU5/amXU/EXmVAm9O0cnZihSN8B3e8hRgIrwRB0= =yx6i -----END PGP SIGNATURE-----