-----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-rails-14.0-jessie-amd64-openstack.tar.gz.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-rails-14.0-jessie-amd64-openstack.tar.gz 321f8683ee75250146d58fe15ab3952e $ sha1sum turnkey-rails-14.0-jessie-amd64-openstack.tar.gz 0081f737fdeed9b272ff84fc486252b11483b201 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG/AAoJEIXCXpWhbrlNBOgIAIheoOWnNslG4QhW1DhLP34v J7jP7GDJhOTfg+HcI0rg/fgzqU7OtTHWB+mf8nYfCGbSXYO5hEtY+8rEcboi0JA0 fJmkjt3PTOnWLTbkjvDGZcKbhCDAoafRVBBk9CAhhWKkWOxv3hTCMMP/S6zAFypO PNAFdOEQdinKKh3fd4vPPihvPYp0WTptxKc8AJ1hC2KvEsnPtor39w+HY8VdXDLL Qbm2RIwK/0u7RGGpABstV0Nk5Ze0fHIQOzVFFaUemBrMW8MqaxOJGsUe17uPoFGW eOxi9jo9f5ucFE/KD7Z2ohUDq2G5BSsKWvYWRZp9RUGnpUTVYlbN47NDPDANnSg= =1xbV -----END PGP SIGNATURE-----