-----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-tomatocart-14.1-jessie-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 turnkey-tomatocart-14.1-jessie-amd64.ova 6c689527b3dcaf853b90a81f37feb447 $ sha1sum turnkey-tomatocart-14.1-jessie-amd64.ova 2d836c4cc8e935a580687e9b69eb1657e203ec70 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn7AAoJEIXCXpWhbrlNYhcIALr6Hb/6O3AjJ+1Aw40ZiMXt 5Ve9VqbkN4hzalslm13+re8y53+t8kyQAgFxp4uzQnSmzp83Z/e+ilGNMGpKfx/Y Eag1J57jPUKN99uX1pOAoL8k+PDWU2abgdu9tOvFrzCKFw81z/xkTOz8VhFM500B Q9ppycDGaKaJnoslDYUUAQRYtwTOFW0GW/hY2YKHBjJuz2sgIjLPgHrVU1xhmTsF Kkegg3YezPLd0b6Vbb4K3TSpzkzo/xgXdxk/xUuyj7U2DQGeYi7yg+kiM0qxBOx5 5RdKYNwTmifM0FW55j7F/gPtpOUMnCc5YJS1uw0+99OqbrkWUedIAKQdi+XBNow= =YdL2 -----END PGP SIGNATURE-----