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-mantis-12.1-squeeze-amd64-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 14:16:46 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum cb4e492a2dda90991223253f028f56824dc4e23c * md5sum 6de241c61f9cabd2e8857f148a642a6f 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 v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJRrfbFAAoJEIXCXpWhbrlN/14IAJma6NzAprynNDb0xz7pbS85 vBHkpv9jhq1bWvxKFs0SlArgHFpQ2AMTrYtGTSksichVtlHRyQfG/VgTCxhHV5Nu bj4Ug6pygRsFfxhXemE334GRXe9M4Pn2/ww4mPq0+Uc/ITDzkCBA9Ubc93MikcpE B8B6yeswv+ntzZWhyRfj9CMespnA9CruLyhQ3rghWdJFrBTQiaZwo66HLPUyDxtY LwbH2G5uv3TJ+sg0E07IkYjnkIqw1bGZKtGCsctIakZN6RQIJmsAu1fYXlNyh0+U kLS8uThjp8S5YUyHJBIq4s6oxr+w8DqB1nSR/jzKu1erJH59kYPWn2X5L6Rch4k= =h898 -----END PGP SIGNATURE-----