-----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-symfony-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-symfony-14.1-jessie-amd64-vmdk.zip 4f6a698df816a5aacc01865a2f1ad17a $ sha1sum turnkey-symfony-14.1-jessie-amd64-vmdk.zip a515797766165b4618f8a899db61c4634579275e -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn6AAoJEIXCXpWhbrlNu1YIAJTaPsQIFytc4f6ARixHyum9 TbkvkJdGa2Up/J6rQucGgDbio6mShX+9pOr+ay1ERwzQKa77mI3Z9+E4WMZm9jiE wMhmL665StnFe6WCaUHRdu/We/2EC9OAo94bfRvH4bDbbn3E/j+IYWlyV/jiON0O /b/NqwAE+HY9/OcaXBsah8kVe9LZnLIw9bKeTNSvdcRh/Dda8oUfJzrNo2sVm26h NyTKTOcYfPOHEwReBndzc4p++wMbl/Pz4/o2xydr5VJ6a0xxkBfb6ul5EO8kgAiP dUYRMnLSWC07FYY9kUeCz9CRzsCB+seiW3gbetL8EovCV5ZmPwqc/NrGZ6k+qIk= =ZEIt -----END PGP SIGNATURE-----