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-processmaker-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 18:19:12 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 7602288fe5ef1cb63b3c5dac69a036edd7090480 * md5sum 3cd83475f752d0535708fa665a5e4ac2 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) iQEcBAABAgAGBQJSXYcWAAoJEIXCXpWhbrlNaOcH/iW5PxKuvC4Sd2B6b/ST8t01 BfFwMkqgnqlubJz3KpbXsX++V5GE5eL24uvqVAQKWYlhMPbU5Gjb5/uzdQYR+c2c 6ZPeEnMv9PRQGNGc3O1zjZZqmBxnwRjjhI1+Woi6IZjSbB+H0ECuW8puV2Kn3wNP LqgasPHpP8HRKdHEi/979ybY/0fZAi+1GNvRI2pNrjX01o7ZTsEvNxd3NFK40cH+ rwpvtrv+W20u5yFsnDD/lKv1yEki62nph5Cho6hRDwXN3OSurf1/uqyzbcwVZsIB hHZpe16yfj2iDv22F8l4d+9JuFWuY6CvF4QaSx0OncUm7z2JCJO/NukpGDKaBls= =Qk6k -----END PGP SIGNATURE-----