-----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-mediawiki-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-mediawiki-14.1-jessie-amd64-vmdk.zip 8a1017418582cd7cd65dc856971ea6df $ sha1sum turnkey-mediawiki-14.1-jessie-amd64-vmdk.zip 869e7afd17c02bf4b79fc98ccfeb6644baab92ce -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn1AAoJEIXCXpWhbrlNUwAIALPjc5XWxLFUVNAnRZ4FWdlw AHH3mL05XARdDPdG1BSkLEsI/pKdOg/+DfjPMJvTKEbOD6wKsme57687Pdgv6a4t Z83LDrRmbRaRA6HyzsRMWuYZsGQzgypoRXZ2hHBAKmRjBKI52Sv4mrfAm/XehrKQ 907PkxKzJe2QAK3+Et/XIAamoILlyOhJNOjL6eOoSP3ZMb3R0bssHhQ+6wBulsEU LYjMBSC7WUEpygyz2WYhKIn/6sEt1BkOZsJNc48CCZuGHFXjnNmNJTlIPTCPifKC tbezJcQq5TXKGQC2xplKP9nyrS4N1MG4Bfqze8dAIS8QzYAQmGeeSmA0tbYVJpg= =VK4N -----END PGP SIGNATURE-----