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-projectpier_12.1-1_i386.tar.gz.sig gpg: Signature made Tue Jun 4 23:34:17 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum c798dbafd4432745c2d07c7ae03fc1a9bd9f4cf3 * md5sum 4e23eef657ee21600a9ba3f036539caa 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) iQEcBAABAgAGBQJRrnlvAAoJEIXCXpWhbrlNdqYH/jpl610sWBz69vnmBMUB/g1E +0Be6WHg+zVtuYymFFSMleSKsi8dDd4Ufkb8EiY/vt9jUEKRhoBTznsDrujCnKxK I2JDoJgrbKoxLkEcS+rKVOLdeyzSB2i7ajBoN00bLRl8qm7ywhUGq3sWUKZsgxDL PSoomxVvq7IPLZtbfY28bXSFpAcVDluYjEwGYAlKISoECVGyau7Th4tcs2RbEvUr mDMQPHy+eNBTMUrFgd6QfJ84AaqYCE80FBA8AIIb08wE5pfMhJ0AO+w6GLnsxGRX +Che0XhPb9dVSermHtLTvZU6xnqiAPWD5p5H/3tU5DrjkaMBAgFbgGKwF/eFyEM= =6Ro5 -----END PGP SIGNATURE-----