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-otrs-12.1-squeeze-i386-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 23:00:22 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum b2d0d0f4fd89b0da6b4f16821044dc2aef511847 * md5sum b79555c28f10be16078badfc67ff08e4 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) iQEcBAABAgAGBQJRrnF7AAoJEIXCXpWhbrlNU4wH/1YTw8vtb24igeuSe6jwrNqp duGNaRFIavMsUasAs7nch/cg4xpwYBxp7SCorRPqGngSZKM33LKeUw+CsEeOZk+r 0Vr06b9DVcohEh4IrYb5Uma5M/EcbL9iYhN9nDXprqDN1F5bxfQ9LHrtgJUnKz2o 0GcdXiQbFnYXlRgDMOEpOkSvdQDxw5aarL/DMeGulPaQifVJoYcgdORZbwGk6vzv 50YPqEOxWVGN7hql6UmCtcMHWy88+hDHk6QsQfxuLmlpny4RbC4iUCibFe331vpv ilS0yUQepo1YX3vJ+Deyp58w6UWQfN0L0CjEI585jl1DR9fWn8oG+MnY7ZFTQRg= =OCD4 -----END PGP SIGNATURE-----