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-typo3_12.1-1_i386.tar.gz.sig gpg: Signature made Wed Jun 5 01:09:19 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 25da8d0f2ad101c0617e3c970092edb19f891f75 * md5sum 58f36574410321d7a62e9b1fd9670503 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) iQEcBAABAgAGBQJRro+wAAoJEIXCXpWhbrlNjB4H/jbUi8jN5QVO78hMhDryXS6A cRVL31sgiGkafNvued+BUpUs+spjHIZbid4/e3l4HINDelaErixeSPI9q7cYnEZ6 AbpSPWS4JhY8dyu/aY0bOq3yqymFMi8/ITeZ+gq5qz8hTxlJrtUqGyvUG38HlRBp 1SUxOLnxNXxeUPCR6Ou2wdf7apWaF2bo01782dVacYL3PLBhMdXou+h0PEzUlK83 Zg5o0Q3fzMp/mbhazzruXC1ZVIBFhsRVUYuovTVUAuUObiWz+5Dv4q11y5W2XFAz mGppolI2XkpEHctFZsqBB6QgUQwY0LdRTFgAjxKuWQGIXH9qMsERNUlm7DDMTmE= =pBme -----END PGP SIGNATURE-----