-----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-suitecrm_14.1-1_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-suitecrm_14.1-1_amd64.ova 71883c197980b956370be638e13226a3 $ sha1sum debian-8-turnkey-suitecrm_14.1-1_amd64.ova 58ef86862c5c15e0acf720e4651f8bff2d355e30 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnuAAoJEIXCXpWhbrlNuroIAOzzyKxKu8EA1NqsjDFqjn3s TEqMgmTNPVU2avhlUCVkE0RJ+YdEYCgCqGKSMkjfx0dS2BcZWa/tBBBGI27pInS9 DN9+N8yZelTk46TsFqJnrdFBa+h9bS8vr/UX9HnW1X4sBvrtMi8jrpNXV+CbF1W5 plBL6gZiV6wMDeKEFQ2we57rkMW5owneNKvTb1arFerZNceiCdzFMS1G5Tel+CPG 01l+hQTO+pZg3KgnBUXEh+z29mjl5a19U4DuCPnWWVbek6EM7H6VhaG4AGykeao7 FnFOu8Gl7VZMmrU/N5SWtPNO9QwfB0aPRwTEK3k1JxWfdCUsiO17geJ8FLkzzxE= =2X8R -----END PGP SIGNATURE-----