-----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 debian-8-turnkey-processmaker_14.0-1_amd64.ova.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 debian-8-turnkey-processmaker_14.0-1_amd64.ova 2b5e1189c42b95c7fcba131a2b6fbb83 $ sha1sum debian-8-turnkey-processmaker_14.0-1_amd64.ova 5d3e734e51ad62eeea95c1a099b243bbf3126cf3 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxVAAoJEIXCXpWhbrlNAEUIAI5nCs1dhQIvPUU/5jA5AuBo MzmG4+gY4rWl/4wZ45yiC+dXxZ/qx3hSJTh4jG3pvIModB2KmHcgZcjQQ+mBgNnc sxoT7D0f+9B8fIk3nvh4xx2fmlxNSbzV6j+COELa3sAnJcSyarLkqLvoM/5SF3Kr HODop8I3YKYoo1uz5viaWQ2I+ZbnoYMzGdzItnQdna+hRCBl9pzYwssf96apUfHk 1uGUOQyMZ2YIKrv68RhQ33Fmw2m4AXesC40Jmcns+OsHrKKoiZi7ZXRFlIFtc/om uyhRsZFvrbentdQIq8UIT4uynvtpRHySWXJOf2kHhwS/49dJaHQJ9fqriihrG84= =VRJJ -----END PGP SIGNATURE-----