-----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-vmdk.zip.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-vmdk.zip 9d779501478c27146c00aef61f306cbe $ sha1sum turnkey-mongodb-14.0-jessie-amd64-vmdk.zip fa86e3ce5f95484b5cf37f0d3177da0a4b120816 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG+AAoJEIXCXpWhbrlN8bcIAKNC++m6g0M342dDrfZR6zAD rME1KGrctl+mb/Rg7rwt0JYG1HyKStdwarcP5IdLBh+aUeTviJcM6EGSvFfMqO8o owl0kOrUQzfdyTefVq2M4kmPFNA+bhIXS3A4KhSMdomsCns42v+gNNdCAwGBva76 KFUHo17cfe/xqbKaFGk0zD1EfKOsg15Z22qoMPBtpRB/0No108wc/emZ8dbCZ8+S tiha9uHbj8DkhWf/GdWi2+XDXrCQycBEZK2rXIylt7e4+Rkx1d5WzyqRXdaSOUOD cKcjrDnZzbaF0JCEdsdko4bqe2uHpmkZAZ1PHSIuKyCWLmmXxntYHEGAlPQsvSI= =PHNQ -----END PGP SIGNATURE-----