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-gallery-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 16:07:55 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 8c1c3eaec3ca165e2288c7e1463befbdd9bc2cc1 * md5sum 6a0cf3227669492b78789629afb09602 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) iQEcBAABAgAGBQJSXWhSAAoJEIXCXpWhbrlNp/4H/32eSnWZS6sIaXZ8Uip0NARw Vt2B1lCDCZnhGA7/RuOkTR1IM7648VqUx63p7Vw3SPN/2AadbWc3xUm6Vj1YsZlY QpWVJhuGeg6itaThPaTUfs/SXLIL112MMWp2Xm0k68+vG2ZR66d6JTKBFkhLllk1 qPIm8lybSrdQ5SgC4BtUDxeaqZoZW/9y3MKnTu8C7Baf7bI2YomHEJL1san3HTN1 0PmzYsn0eXb4Fsxy6rB8jO2LojgwW8MOM5L0Vdhn3PNg+P/1oBY55oIcniZhicDY NG03lbEsqFuLq1kzSXjhiugbBg3ZGARvMgQY9agDT7IBTaUOMkh3q/zuZdOJNbU= =WgSf -----END PGP SIGNATURE-----