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-nodejs-12.1-squeeze-i386-ovf.zip.sig gpg: Signature made Tue Jun 4 22:26:08 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 9f408f9d526c4d7bd3ac64ce9ed5c794009fd07b * md5sum 2bf75cdbab61d4f66bb66c0732f81ccc 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) iQEcBAABAgAGBQJRrmlyAAoJEIXCXpWhbrlN5QQH/2CyIwyHSGURowFexWkIuiQ0 xYWVXzHAI9RAkwJ1qGZXDWGU126z9ORruPt64g3Zp62kLLRA4caX6UverMjnB02Y 0hukQ3JocVWuk2L+wfYAe6rtD4id84OTeEMGuKGX+PIpcW23I8PVp5zD3rANqFBz QnHS5jY8kbf5OHzfe60OTlfvpLF9JXN8LhQyiYtlAoZ9HdalHs+6R8EQ4WoGWDH2 1EfiYoG1ytqp1UEEgSUjw7ZUi3savYiTLlcrrqhtT0Qqw/wHhM5Pdfw7RtTM32Tk 66N9ohmf4cbC5e7EIZZHl8UyLGRE7z3mP6aB1RhEovGKd9ooiu7Z4fxBAqpeAyg= =NdzD -----END PGP SIGNATURE-----