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-trac_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 20:03:23 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 801b3f58e91e18f72e846999ca20cbcc14dcbf39 * md5sum 3444fd02c1a32b97d8db4a3ed0a8a151 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) iQEcBAABAgAGBQJSXZ+FAAoJEIXCXpWhbrlNHToIAM5oPFXCWZPTEnWbDb8bYTXb cwmr0/ymNkL7vPAzfqqOBpMKtRdNyJd7U7vyXmb7JrPR1yPlkMlssBJ2Y1DkvORr 6P2itwUDzwcpjC1BuK9xo3p3XpmwAX/ujXMJTqOFV00PllqyCritZLGGEb9pDZcO by641FMAvVQhByO/qDOV5eBWNC40Z7P82oIrZOIUjmfcaxdHhmy9E3TIoml/VTDc O5XU/VHJZTcJUbKas5Ry+kwtJYrLkCQoxEvsvOiXSpokfXy/tPNJs62bl1SMuS8P eUVAUuN7C/EmY2xpLDbeZtSAPas2Gszn2A4f05YjSeoE2uh6hv0m3AtmmtYVomA= =MsRP -----END PGP SIGNATURE-----