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-nodejs-12.1-squeeze-amd64-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 14:46:35 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum d7c002a8006f49afe9d0dc9a18dc2d1882d748af * md5sum bda1d3bacea21013ba38041d798cb0f9 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) iQEcBAABAgAGBQJRrf3EAAoJEIXCXpWhbrlN5qkIAKJlkd+i2CFl4YCKSyMpfhoB auTSWUZPNNXLkX/c/endwXBPk1J/L7Yv8v78kXFhBXdkaz01GTl1sKLPfEWNeQ6s 7dg5U7L6DaDZeGNjBYVEvhtssEboX+L9EdYtUer2NsH0o3oceLtdzNMNB6jOXrJ7 xDNLMxBsyONb4jK0anbSvJlifVgtcpp7D44HxDwQJulX6claANv2nFpctyMBvwnK XFi6sdn7NQOONlIDoHZwz4+buczkNBxSTp5q3CUsoVAXzZ6nrIXYqwxVufXhivSJ kcxwm5HpQcEN4KHpGzI6Ijd2Rt8b4NEGkRjeJCjpj8RkXncYQJj1+dhO0B0uKXk= =ZTp/ -----END PGP SIGNATURE-----