-----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-symfony-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-symfony-14.0-jessie-amd64-openstack.tar.gz 189dc85d401852f909bdb351771c84be $ sha1sum turnkey-symfony-14.0-jessie-amd64-openstack.tar.gz f28e295e48fc80ee46911fbd5d1ee3ab81e935b5 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG/AAoJEIXCXpWhbrlN3YIH/2sdiGE82+psiAct2JA8/10f M9w1sHGA+UsSdALQTAjBUdNRvXP+Ad47Lq5NPQp4hpk1kxwPFaGUWn/4BBuj0nVn u0zXiDtXJwSarM8dGl0OAJiFGPI67v3XtA2EbPNgC0+llQk+vGenwQjDmXZtA/Yo LHwwX/ExDf5E9aZQ5yRS7lZGLX6mTqCCUsKTc5PYCtyJywiA5x34UqE7xuafv8MO TqqmDFD311nWs3yV9AiR+5DKSgvwVcAGoi0GwrkA3r6uqXigxN9iCHZk3tm9812b yLLSJjc88T+h//+RMXC6ofpPWwRKUopIwYFgTUBEGVkYwHwa2Qh0Xav4lp808KU= =HNg9 -----END PGP SIGNATURE-----