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-tomcat-apache-12.1-squeeze-amd64-ovf.zip.sig gpg: Signature made Tue Jun 4 16:23:30 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum b6fffd33ffd6c95ea9129803ba79f8b2e460755c * md5sum 167ed3522f630a26b70f865f891ddf5d 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) iQEcBAABAgAGBQJRrhR3AAoJEIXCXpWhbrlNH60IAMKMTUD4bJSQimjp6KWbFrP+ vSGc/0WZ10XF5zrtdQHfVfhGii/+Z5cTlE/znSHov8otltwE//UQzDrWxmuF4b3L sFz16HjsMvgnK8ImGaHg2qZg+HNKUlA1jKiKWxGWpR7aej5WIjHYtG7w9h3EF2Ah 6qj4bpWeDSGgw7O/5lELDT2xRDqEIZ/OiYVnHC9NiQoIy5qXgc7kcirm26pSQHLj uFdIaGaxIRWHcSO2ysQ/E4SgwycxeGKP62k860MmExmRZ2ybDFYxXUo7Rna4bvdD LdSlr2Kp9qWvCzbH02ayaRU6KyaYqtK4BCPe5Pw1fe3dhWq0qPe24ROT4d3hDNg= =HiSc -----END PGP SIGNATURE-----