-----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-icescrum-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-icescrum-14.0-jessie-amd64-openstack.tar.gz e4ee5c6f61403fb7e6c828d6f7d276ea $ sha1sum turnkey-icescrum-14.0-jessie-amd64-openstack.tar.gz 01faa5707a859ba31faf555f988c53420afa93a5 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG9AAoJEIXCXpWhbrlNxVEH/2gcGE8fjeK05DTXWodoRA2x ZI8eFA9myjJjG3eY7Jcn5oEPWAne/IzPjmQR4cAnXLOoTyPe8qakzk6CCTD3pB+B WQzxSlRvgD1q2xzdW0ERjC+htnN1vVKCPbPxfVCsW5ZreSUA7ax2DF3l4dDDbZpv LGXcuEGV3qUDtkFAqGWXcDc7zbGjeaVVJvOgEocVFw6w+aycggQYOP1d0bqJ03QP QZb17eNJu4k66tOBTpjETp9XAyFhYXUrVoUgfTItrCSJqGo3Vz3o9+JHf2BO32NT 69+HJN2qwdNOLKLfbcx1aMXbldM497fpsOCNpHOIiCBTKx3NVRYb0ptamwh7y3o= =YLDI -----END PGP SIGNATURE-----