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-tomatocart_12.1-1_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 16:24:46 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 0514c6a7987ec3bc0e0d564962345a698fc3a23d * md5sum 413ca93b142151ff1bdbf9ca5524c7fa 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) iQEcBAABAgAGBQJRrhTHAAoJEIXCXpWhbrlNZjAIALUmLM4yJsqmM4RYK5LSsXE5 eJWhQksmeNDztmy2INgwWuEJcRRmznp2Y+tzpbeL1hj0LE5btrRqqjuGRDb1EAvl k72v1D7mGfZ0SZEb3f4An6d+0cpkbz7a7C4nxb2UDs8gh5zXC8WDLEvZMkgPcQnr biZi8rD30svhO8v2cum4/ICbcHC3oPwdN2m4TJI+fcabI8S4BqMj2/BRzVtyvb4Z zZo/Tkm8p7xb8y8fMtq3mx/Ly/nybgs4X+TjowV6To9emu7cHK07PNQFwIEZlT0Q 8RwuGAgXWYtfUYF4ZSRDPEjAa+t+tFm33mQw/DydFRyBHKzNv1cvPm6PEXW3tbM= =YZPb -----END PGP SIGNATURE-----