-----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 debian-8-turnkey-piwik_14.1-1_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 debian-8-turnkey-piwik_14.1-1_amd64.ova 7a36d412777359954a1780949287febd $ sha1sum debian-8-turnkey-piwik_14.1-1_amd64.ova d27eed383202f4ed0ee6297ed5e1ee13c5da4772 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJntAAoJEIXCXpWhbrlNYoIH+wUfyXlZyHTHrqXYmfl9HGXS djY1Hzj2jQz4nCv739sMRb57merCkXkY1xdXalcs8jq9TdT7mq2JaV07kOO+4b0d laa78TOqSJnO/aezh1P4TjeUQBiYW9fYq5xI5Jzh+qS6XFcrMhLqKTm4/z3oe9rt IMPI1h2s4TU0AVL0mfEYwMEhAgATJnEC6qmdzPiHz25bI95Uqpr4MoFia6t0nQBG 7JKXSdC7uynV9/QRfmPpzO3kXQyATRQ2W5xuMsmnyuqhpzGfEW8NCof+WRZwxo5A us2Od/Smq/0Ug/DYI3p+f2At1rOxzoF6LPDIwhCNK+OYt2tTrmuans0+8hwBguk= =rT/M -----END PGP SIGNATURE-----