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-xoops-12.0-squeeze-x86-openstack.tar.gz.sig gpg: Signature made Tue Aug 21 16:51:55 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 454fc73aff42a1cc31806217a7d9344c7968ab4e * md5sum 5d253a6ccb58e208f109890410f61ad7 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) iQEcBAABAgAGBQJQM7ygAAoJEIXCXpWhbrlN5lEIAK4KPftYw0bAE99LY65ofOO4 o/W9ZN5dM4mWDDt6aBllNUWbkNkAQg64g4sLbkp09EDDJc3moq28w+YbC21lB646 Z5jmEvQZegRiVySYXJM+Z+FeSD1jp5NhF+hXABqeLTkBTytfyU8ErhZvDkNH5aXb gZ4iwXramyZ0Oqb74e16GJLpXoUw0pF1FCfDSZroLdzfTS7v5GIjMA35brciWj8C 7Nkk6qg25R5hR+M4dcId444c9nXmp0BcvZ3tgPAxrY7tqB0pqnlGE+sDBVxdnAI6 x3xNX7/TvjXotMwtJZAKL/Ou+MXtvM0XCnM6gzAjycr0lm4fOLwLyaDAL+VSkT8= =qgoe -----END PGP SIGNATURE-----