-----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-openldap-14.0-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-openldap-14.0-jessie-amd64-vmdk.zip d36ae8a297be4405402b29fea9be946e $ sha1sum turnkey-openldap-14.0-jessie-amd64-vmdk.zip b9c81d9218b939339e45da395edb03b7d16ea877 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdYAAoJEIXCXpWhbrlNTU8H/0E3S0ipQTto7vH9Nb+LBVMd r11t0TYsDuo0ihkOvGOK47JxNdoeYndj7GpwH/j2UFvkLwaoiuLXgJB/5tVHunnl cEzaS0c4YePd5RefxcLCI9zseU+mNbSUAmHaX4co8SkEKmVGT8LCaoapN3Nn0+2j 2vHPk0MmVhJcf7wmm5TrbhM/ehlYOdt37fIPfjWjUJdvsTWaNbtOYSE21Vc24Y36 uXUMTwct+dSEgbS4GK13uZhtuhVB8KQ7BaVL1auydmptCWdd4+/PZ7VDfK0PujWF YNEapoSvrhOhezFCvTZedWNPeQH91ZCDmYE55BH7lGaHnnGdJkFU/BEbuot/JWs= =G/nY -----END PGP SIGNATURE-----