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 turnkey-oscommerce-13.0-wheezy-i386-vmdk.zip.sig gpg: Signature made Tue Oct 15 17:32:48 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum a842955d4fc45fe63c7583f883ba03ebfb8ac428 * md5sum e464882c86e8cfb63e05c52af71f5b09 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) iQEcBAABAgAGBQJSXXw2AAoJEIXCXpWhbrlNhm8H/jBkzE+gOo45E15n5bMMLraL TAx8qOy5CQ/jrPntB7qfNu+6LLs1s9DbdjQSI4izu3KB/xb9KVDvCEOCxTAtp3yF TM9HIXgMuMmXEeUldyHKiczuvkPghZ6S9DnuKWJUpVHef2Z+NIcYLSOkjC0L/6kq 74jbJbxxqj4AWvgQnAchtVttvg0PhbQ01NXKPmP3ihCgi6cIHcJXZ+gmWEC7J3eH MwF3pMoVH8WsrezreP0xQcEey+a+ItJH4eC+GESpr36Rhn9thws2x3Q3oUmM0B+f za61HRYjIFMYgwDzl1gw+YSAQ5w4zQ41CRa+8701wsiP/qCLpEW+sxJEIZ5taJc= =IgoP -----END PGP SIGNATURE-----