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-gitlab-12.1-squeeze-amd64-ovf.zip.sig gpg: Signature made Tue Jun 4 13:41:08 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum e1971abdb90d7df9e8dda8db063ceb022e79ab81 * md5sum 30352d344f033a28c382170e22c68f96 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) iQEcBAABAgAGBQJRre5jAAoJEIXCXpWhbrlNfXQH/1pBN/v/fMgZ+EkhEhdBJ0oi i25wZXGmIRXXe0PyHMW7ogNcdadw8hVo+8phsfgrzRm3nNEJA3MWgQ/CpEmvYFLd mt2cUpZDsUH93MoRCXxysCLVbPcfsr66OhNo3RNZ3rIklrRyYNe8U8+Zrk+bihQK PHpFSCkyu1942LMZTLRjwMgE2lHVYAIhGaXEylB+6yek+ZPquqbOx78TAdusufB4 oUOIQLLlcsCmhDCI3FIkASneniPuKz41Mcd1TpHIcdJbzXshmbP6rXVIDDwkrzJp NoXxfK9ES78AE7WVTLWDmy+iuQrmxqHNc9/F74kqOBi0UyismIgpm0YKMmU19IM= =sVEZ -----END PGP SIGNATURE-----