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-6-turnkey-phpbb_12.1-1_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 15:02:40 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum c9b054f100a22e06681a41ebbbc2dd3892233858 * md5sum 5be38d51d0f217a9290cbf766937e323 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) iQEcBAABAgAGBQJRrgGJAAoJEIXCXpWhbrlNcDMH/Rsw2tYgI/s8LSUx7sMCQJ/J AJr2JauZlXBL2VLEJcq0pHMHZjom73G4l3D9t2Me9ffZLJCPRWxPQ5rNLQ3UU0Fm 8MKHUMs22OeYONIdy7xa4tIWrt+qbnniBExe5qRpgnOp/4DlQDGv/nj6ynyIE4sb Nen2azBwmK5HFBjxNyfi0SvKjFmQANNbtyb7Gu0VZanJNmHYx9jvuZrNqqHsTguj eIaaILM4bW+1Ntm924l1y213aVzq27bCJlC/mVx8CWsnoDkF0sYPAE9Yp/y6DshH bAuiaY9/4aPy4Pl5m39EclphsIgmIuVSaOn9+KMr1LrGPdwGIuQY8srM9zqcTpw= =V7cU -----END PGP SIGNATURE-----