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 debian-7-turnkey-joomla15_13.0-1_amd64.tar.gz.sig gpg: Signature made Wed Oct 16 08:55:57 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 65dcc2057eca9a40fdc8e536ce4fc83a705acd04 * md5sum e8c52f171e86e01f200139bfa860be5f 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) iQEcBAABAgAGBQJSXlSWAAoJEIXCXpWhbrlN3PAH/1wB0edxKAclFokCHxtR/64G 64irMkNJUHtR5zbXK/Fo3+Ew5afnLXg2bYrlAjIK3Ge79ZjX+jGDINQ+Fb/+vBLT QnLeSDZxXJHzccKIbxmvM4Q9K2SZW02/AW1eW9GE2hLadov8jxOFroXYAfuMUuw8 ULKvn25Iqe/3NtpZzTIH/bVM0YU/46YlnK6KS4cdMPbHiwJ6SwLL9ivMHvybcAxv k3PnZprLI1UVVhYRNtbBMg0GQQnNSlFZ4nToJJAWhf8zScwkwBPjmj0XmL/OTRgR aG2XkZo0999nUmpILrPHz0vk6JIWHyaMSUQjeU0bJgP0BzJ6jT1qmoPOz81Sr6o= =edIk -----END PGP SIGNATURE-----