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-cakephp_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 14:59:43 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ca9f6138efa5a856f34d2795b2d69a5b9824f4b0 * md5sum 82ad1aa4a61b39048f4fa5f42072d797 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) iQEcBAABAgAGBQJSXVhYAAoJEIXCXpWhbrlNulUIAJyA3RJ/4YFzg+Gtd0US5mXD 6UvLvEw3axY/8F4HjA+niJQEXtMVrDD52LxcYeqY4t4HDT1pRQhs95Ol/YKE0bkN 0iBwrR4p3MnTZ5Rc1LoEj5aStCxN3DzuGqf3DQrhFmjDSNFvqs6GJ+W2Hj9ZsXsI hEjS7IPISom3imBCwrU3duIEykAz0uuiENeQOdyZZLPHwimzh5e4wjiH7kbe8QpM NKMaxpXGTabHXAHbuoBxS/ze3bZ/u7hqUp4HWUb9vaCt008hM6vk25e0/ngj7SGL EChDBUDGvjm2ZL/MlDVQ5RTzX8uQX4mLN/v6rg2y0NTQIngIgMglw+NMfucq2TM= =t62J -----END PGP SIGNATURE-----