-----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-mahara-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-mahara-14.1-jessie-amd64-vmdk.zip 939cd5d001b42f4a27731f00abe75318 $ sha1sum turnkey-mahara-14.1-jessie-amd64-vmdk.zip 01b59bab4e76c57c91ac9304d794ce3169288a07 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn1AAoJEIXCXpWhbrlNqj0H/j9Ud2qNfRH/RtM9oIXt/GLb bJea/9vRucBU13FNRXt2LMzf4/GL6Xox504yieZleDY/MORqhUbDHNRKGcqJKjzP hDEM+Mhsj8LRpYLgJrk4KGe3NMI7uvUhG1nbQoelhTAMMPEsVUBC0uJ63iNvaozx J7sl1QK7AbHh9pevdB/u27XAtTQtdOPYAWLPMdoJ7hIMqFvpPK0eQESYuzCIEITO Vh9RbHZ1sxht+DS8kxjCPRHNxelJ2vRDWmpOfMCyZGpwOWjYIVGz3vdQehbfAnkl R0+Xis0wo9HK1IgZsy7v1pow5gF0qP2C0oiozv31oESHJQenDb5lxjQW5NGeUP4= =cAA4 -----END PGP SIGNATURE-----