-----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-suitecrm-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-suitecrm-14.1-jessie-amd64-vmdk.zip bdca42f0b8711750cee5a0d687a815ab $ sha1sum turnkey-suitecrm-14.1-jessie-amd64-vmdk.zip af1574d818b59d63a9354814700bbffe6312acbd -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn6AAoJEIXCXpWhbrlN8xcIAOjrtXBa5iKS4EtG5oXSjQdL 3akMJDqmj4BvrRNF2q9U5irt4xyEajwFSn9nVFcvyt8EmQQuRLL9jD88keGIko0p g3E33iGNuYhZ0nZ4qYIszW+zdKX8c5+5qlMgP9ov8dnmsL1u2F74gBvff3MLLlrU a/4zIGwtjIk43tJKrScmRaOYnZEU1ObDzjgvSBs91p3QZy9W/PeCmcyUoOFHxKkD tS8LY9Q/RCSVq8U85+ICGSHzpRdD12STInN4EY4tnLfPapOk+XzWs5p2LxplhAJ3 Pj+7N0JYInWUSYD6AImctp4cGvbP/1ZKauH/X8wNZgg7peFrVSyYUKx4QyAlFpY= =ezM7 -----END PGP SIGNATURE-----