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-mantis_12.1-1_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 14:11:58 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum eeffad612250af9adea8e6be742de90e852e4213 * md5sum 3ee5767e3c965ab092540af8409ffc84 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) iQEcBAABAgAGBQJRrfWoAAoJEIXCXpWhbrlNAsgH/jPX+G1APniwlpnI2gaFrtTE HG2z5GIghacLN3y8uqyu1kft3+oNmzyyOChmDYlvYc7guTuf7AUqbCsUUhUHXlI6 NnewNAJo3xZSlBp5MuopdgH5BR5nh0R1Td0yiH4ZI14ND7fpLX0Yzjt1PX+BU8dk WxEhhJUDGfcB8V04vVQ1CjE5KZKDt8OLfjUyQ3P6GR5gIgcH9qty/GFdH2ERTqhj 8v4FrZtQSw6MFawHegEu6y0vMk7JfimiXLIDXEZy67VzKZi/ck0enPCjfFRts0CH lWTiQPjvxnImfYQ7vS/MaWKqwKrkLP4u1ZmzmJSsSRMp8zBT+/5VpxjzYLPwdgA= =P/2x -----END PGP SIGNATURE-----