-----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-espocrm-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-espocrm-14.1-jessie-amd64-vmdk.zip 7563126981aeb56226f64e47115f8ef1 $ sha1sum turnkey-espocrm-14.1-jessie-amd64-vmdk.zip 439365a2963f3a7c5a1156b31b798d42c54f52c8 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnyAAoJEIXCXpWhbrlNRYMH/1yMpDv0YM4Vwe0ov5U8NiFV tQupWAuCunJLXB3hqSXU8AuVPykW/kF0BLKZ5ma4FVZQDwGdATlSfPynYaMT4oWZ NnwFA2BjdijokzVtUM4PENwgsWPWRxDfxxqhaYUl1Vub+ov9j4OV0MQjQPLEFfEk aBCwpqqW8NKeLJBlMgXO++5oAJ4FWaOj2d2zTeIHm4l3Pyq8X+KfBbDJbS8AbYcE w17cS3HXvAkuT9mh0w17DjezNwcz0WVSZ4Wih8AR3jOddje5lsqvNPTZy8+2r72e kEtRilkbAV/cG6XZL7skGU97S1rrDhSr18OfNvesJ6usLiGFSqGtpLVkq7e1/ik= =yPt1 -----END PGP SIGNATURE-----