-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Two steps are required to cryptographically verify image integrity. 1. By verifying the integrity of this signature file, you can be sure that the checksums included in this file are valid. $ gpg --keyserver hkp://pool.sks-keyservers.net --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-mongodb-14.0-jessie-amd64-openstack.tar.gz.sig gpg: Good signature from "Turnkey Linux Release Key" 2. By calculating the image checksum and validating the hashed value is the same as listed below, you can be sure the image was not corrupted in transit or tampered with. $ md5sum turnkey-mongodb-14.0-jessie-amd64-openstack.tar.gz c4fbc8c185bc5a07c880c83a71800579 $ sha1sum turnkey-mongodb-14.0-jessie-amd64-openstack.tar.gz 87f92124c31817e891af79b73f784ad1852bce56 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG+AAoJEIXCXpWhbrlNlpAH/A9zoqgyKKK6E3gTSfRCkEzK /qN0SmEYwrDyFjvXpr4/IT0OTcI4o/2pAthCNmCsXbo7y0GU9WbiQRg/PYTLfxKM Otfi43Ol4WYcOMBnjITNuuzs3umm1fmNwrd3GEVlUlk7D2V4fxheRVaRvAgdbWjM V7f53bwcLJvXUm9Tit3SKCxw6DZO1nIuw2OJErTx3TWmNFchVkNbS82dZXJ4WDkk EpFVITs9x1uNToZMFkmDsaeR/rOee4JuXPTsG9MHburRoE178kUsSvor71a0OuyG UH/JzzMgbH+ib+1TqgRg/GTua1/eJ+t+VRgpe/+MSUkxqGtoc7Ho3BvGQKb1F9o= =VX/I -----END PGP SIGNATURE-----