-----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-xoops-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-xoops-14.1-jessie-amd64-xen.tar.bz2 3820f1dfad4d64e97b5f2f0181d5487f $ sha1sum turnkey-xoops-14.1-jessie-amd64-xen.tar.bz2 eb29090956bcd0624d02cbcdc9e2bacee9488c19 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn9AAoJEIXCXpWhbrlNTccH/3eEHYV/d+zhgoL10IFxvtjL 6eh2sz01gYUzIyzBxij9+zQIaUecI+L9ZRe0B2BmqzMtY8rqRLFweQbk71cvBXRD Rm7vtTcLaMOPJ2cYgQaj7CWQSbb7Xtglokr0DoX0rCWetGpYyXSWNtqI5o3ihpwV 6NnWWLDnD2yaGHRdisM3kVIhkE5jaaVi/qmKrSG+LnkGUKBOIIFRzeNSW/5ssVkM UtphErDeV62etPoNLV9AECfNgAinQanQC76nt0nLhzaHEENw7cNPEMfOFYgTE+Uu 3O6FexS5hkJfEW/ZIU76k5ACAxrXoowJ7SXOvqkOl53G+cWdihSt7dgVhJroAkw= =txRK -----END PGP SIGNATURE-----