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-appflower_12.1-1_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 12:26:36 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum b7394eabf056d95b5f897b595da96bad22a7dd43 * md5sum 219d122dbb9b5aa1b097ecefc1f1c264 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) iQEcBAABAgAGBQJRrdz2AAoJEIXCXpWhbrlN1zkH/01/1tkaH2VNxLvC21Igzh0x R8cM2ql1A3nxdZDMslEZUensoeaF/lWkZbpJE70BvU3s7lmsaDpy+6FGjbOs/E8y 2YH40r5tqV1jAsrSL0IbWdkyIXDicSEQ0k6wNvR1z34aR+VEab1Y/eFUtNPILYl3 kXrnj6RtS1H7rg+0rjEsxCv3thEuOMPQuUnZG4unGnaGw637P0xMwEMz8WSHNWgy yK/O0t7mQwX60KkJ5kE0t8hCIHYbrmmTiNxUKSKeOtZ8vCZ5gWMG3wuZQ5iPFnf2 3fVy6PYjPVtDWaROHLH6hoy3oua7u8DKBZyv8HXkXvgZyqHB9IWKAjbEjOXCMoc= =mx+b -----END PGP SIGNATURE-----