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-12.0-squeeze-x86-openstack.tar.gz.sig gpg: Signature made Tue Aug 21 15:59:46 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 24e4cbce42af00b94cc80b21dcb76dcbefcc854e * md5sum 56b3a7981a1462b6adb45beb46c8fc75 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) iQEcBAABAgAGBQJQM7BoAAoJEIXCXpWhbrlNU6YIAK1UM4cLErK4WRvBwO1gGkj9 +maASlccDKKEeZFvW8j9hZYNokaVMFk90sKmgzQxUy57rJ+v0dobZCRzYkRh1n0b yt4UO9sW7Qynxg8BSIFwXB8ebSIRhVsrnkRnw8koRKu4gy+PuOCbWjkpjyugFk/b 0JkAWOUJ7Q6Gpt8TxTnoAOTyc89xLW3A66ghz7KSTgcm4ptUZH8sJxeVm7aY55fj vRd0xEXJ7uH7TVClC1qmXVT6K6QK9gI3LeAfJ8Qja4HaYrQbNkCCogQq+hQ4ZwK6 pR7H4ScmY/eTYa8dIRWtl2sLC5Vd3UP2ZYwczZI4x8zASmBwYbwKDCK8n90JmqU= =f0Q9 -----END PGP SIGNATURE-----