-----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-phreebooks-14.1-jessie-amd64-xen.tar.bz2.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-phreebooks-14.1-jessie-amd64-xen.tar.bz2 482d25520609d11ffd3740e4827a0274 $ sha1sum turnkey-phreebooks-14.1-jessie-amd64-xen.tar.bz2 21944dd439bc091f842fb0c98d8998da2ea761a5 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn4AAoJEIXCXpWhbrlN79EH/jJriX9PQEzpFncJJ3K4KyTJ BjPlUcHbwTesQKwx/Lu81gjnG9E1MK49V5RmY6v4uX9eFNVIVvStRXCQBJdLeqie bjSu9UHWKUKrqfD23yEHonoXSkKE1SpMAPfcROZa9R9YjbQ+JlrI62Z+bC8BLnEF /DwM6zNv7JOZzW6feTsCqm2V07XfKDP+pvcpvYE1Z1z3k0jk/kEvif5MHmbIUZu/ OUIyVaBMQLjGZlmBkc0QKImW/bURcersBBiksoa7w5qPfVIljSPCKm4w6lziW6aB wMTVLnNEqbwU4VFLr0nm/ureGqGaRRUeZQgh4w3UXH7JFbTPaYcnLPA+ca/pts8= =YbAY -----END PGP SIGNATURE-----