-----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-mahara_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-mahara_14.1-1_amd64.ova f8bef6822db509e97009f7755410c2db $ sha1sum debian-8-turnkey-mahara_14.1-1_amd64.ova e41bb3f3dbc77357f42be69890710c1071672904 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnrAAoJEIXCXpWhbrlNDEsIAJXA1g/CWdrRAXFP7PJ6M0FC bkkwaEul+n4p7tGnQPjgbzCaYAKj6ixFkXdTutu7CTyZ4dYF47yT9pPIQx3iVzNu 1PffvqwzYHV77bfqdHNVEHcZYPr8HuwkA0aJ18lZRSO35WuKQhSsBnuoWWeAoIl5 Z4AupbVMhjfkQiLoFFQ8BObqnzzIxohh1TxV1Xyf80iYACuRmppVKIM5fVPTPQKw 7Z3RNzaW2/b8TxHWViO1jpKm5s8E0yRQTJVilT/lkMWe6Z3ZibUfDZ75p8d+QKsI Jp3zr5W3XyVxThU1/q3UyqaN6j3RS9UWD31HaKS9/49uiaTh+9qlGXaySRR861I= =DDRY -----END PGP SIGNATURE-----