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-lxc-13.0-wheezy-i386-ovf.zip.sig gpg: Signature made Wed Dec 18 11:51:54 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 127f63d5157a456e315ee26d76e01d659702bc74 * md5sum 639e9173d74fc4d9000d7e8282a043d0 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) iQEcBAABAgAGBQJSsYxRAAoJEIXCXpWhbrlNrMwH+wR/oSHWnmHA0q4DIBsfFG9K 0sSg87Cc7DojK/MZl74+Zvw1waBPk75c5DXsGEV5VSRK1KQLaRjGCuC4uQU2/F1E AlAI2BEEsmyDSvvvs8ZIBMsPkhi9FqtG8xEbb0/jVr2rMZhoFO1wmRyIWmEzCOn8 xQ8QMtlK+yUy+c4Q7d4Krp1W/opVBzTj2OKt6kuvqknLJvnBw75qaNyNxpMVvpuQ 4ZdqBFZ1maMsJZxwRj9r4kEBmKJ2pQPwrEl5KlnfcCoXexHkXHN93hGgkPo+/RxL lRMKDiI8rLvzZ9OfrnWUBxaISCpYWQX1/+GbVuO8CcBxi2Fp2jI1V1Lb4H7cZwU= =qwjJ -----END PGP SIGNATURE-----