-----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-processmaker-14.1-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-processmaker-14.1-jessie-amd64-vmdk.zip 037eaa7bfca6cbf720156a59a2c2cb78 $ sha1sum turnkey-processmaker-14.1-jessie-amd64-vmdk.zip e11fc4c591259cb3021031c3c00e33b478c7380a -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn5AAoJEIXCXpWhbrlNQZ0H/R1zpRS4MEa3HB/kqF8ark0y etzO6+WvnjU9f6SD1aXz0hjC50CQdQyVR7FGwbc5wiOtsR0+b8EzjbI4AwbB1z9v kB9jfh0yFBFVf8mZ+UKGBsc651Fvlxj4X0wiGkiTDvpLCXctUwYCBO4h/T/oePdW bGB4I5GI257/mODb1+CIQaouAxoqk9gm2faBBumG1xSCrYBW2St+pOUsqF3m5PKG +TEv0FRy+VCNZMkBpPS65C0ML5SLpWWwfgrSLNuBfbFG0mtIZFdNjQMb4njQg6d3 5IBjWHZv+B5r4nb/Ncr2noWvJsIZ1ACleeekkZMfI1+tMPDiK4byFyptNnv1h/w= =mWYA -----END PGP SIGNATURE-----