-----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-twiki-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-twiki-14.1-jessie-amd64-vmdk.zip 39a931b388106e52d8eddfc03180d72a $ sha1sum turnkey-twiki-14.1-jessie-amd64-vmdk.zip 3601090aefa01b13317ee6c103df0b24d7c80029 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn8AAoJEIXCXpWhbrlNAygIAMhk3hZiMrh6n2TTxp5q+rB2 DrhzSPttNJANuXgPsCq9981eLIXFO3M04YONium5VwiqTHcRFRHYpgzCJutTqjD9 Z6m8DAer/FoIlBdh1Qp9tELa8G/SW7T+fmsNuWmsI+oN/SI7End/LRYSZU+8VBhq 2w/4sSZqMTNNr4b1BP7O6i9iGrIzNSpxnfAXhcDf58WT8XmwkRlNMDtFOH0TPdfe SLFHXdOya5fzr7wQNu21Nh1a3X5kdwtzjVBlvK5+yb0vlVejEwhqpr1H5QymQUxK f66YOZ1MApcNVFG7XS4JhssarmNJ8H3xHVSoDaqDbGdpsyV7J73V152nncLvUBA= =Hsmz -----END PGP SIGNATURE-----