-----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-mysql-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-mysql-14.0-jessie-amd64-openstack.tar.gz 3fb97b9ef144aebc1a8a622afbb33c25 $ sha1sum turnkey-mysql-14.0-jessie-amd64-openstack.tar.gz fdce0d96e7f0cf4d6fc8d166edf3745143b9f472 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG+AAoJEIXCXpWhbrlNmdgH/3M4bu9juXAvRtP+E6j9uqJm fsv2DL5tR06TDBPhwzmcyR+JiawGPkKjcfPZMpquIMHvU3RXdplvF0Hl0Iawf803 n1TCgJRYHoehMeCz45xWZif033LkNKkWRZJbe9NCxbf0N+oayfbcQ7jJuDOJ5nMW pbqhXs4kQ8IngghmIw0wQCmW1pcxADMZkTc515RlEMIFeFghYzaM2wsZ12ikUc4w A3iAwyW42O75AvPV8ufGf45GTpmxKPUtgGDUx5OHoch58ep3O4SDveFMsRK1Vw5u PMAnB+jGUBSHREQwS8PIPWpNzyeO5f3RZwodwACF0f2odT/CKzbW14TvWzqH/qo= =/bIN -----END PGP SIGNATURE-----