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-collabtive_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 15:26:15 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum f1238968b9e3dcbec7152b077c2a9c17b1ee7d78 * md5sum 9e4c3eea9a82564d4308fadd49750d73 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) iQEcBAABAgAGBQJSXV6QAAoJEIXCXpWhbrlN3awH/2cQLr/y7eeOU7IJeOyY7d5Z f7onMo7+GwzcFzB6ejrZIpz5yGJf7GuNsgd5i5RF+l7Ju8daqoN2upIo4t1uDLvO uEzRjCVeCVz4FZLEf87bhEbdH3FvTByfDUOvinmtysTSuOOSGcGaobuOLLSJ1aS8 L5LYuq0XoM4hO3Tua12MTvkPz3VmZdAoRXTAyT+i8FiVcG6qbYph2mjuoJ2JWuLb sXE88TYM+8SORzPwODhqwYgoDkkFMSFhR4qBUBBDLKYX0liqyqyh3K0uM5yfB9/l mLiIFohWbvI/XBsq2xKmuRxPg7xq5N8+4BkU+XQnF7KYmxqW1X5neY1jFHT63WU= =+p65 -----END PGP SIGNATURE-----