-----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 debian-8-turnkey-lighttpd-php-fastcgi_14.1-1_amd64.ova.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 debian-8-turnkey-lighttpd-php-fastcgi_14.1-1_amd64.ova 2465461c4809ac170fe6cae657a00eaf $ sha1sum debian-8-turnkey-lighttpd-php-fastcgi_14.1-1_amd64.ova 9515d259f0c313fb7b05284c94de8f656dcc8d85 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnrAAoJEIXCXpWhbrlNtNcH+wcBLqWn3OYuvVwvHRP1Qyrw JK+cD5UZptxxRP2bgyBioJczglwFSbZXA42+1XN671HDk/4infKL/l9HSJXUsQIu ltP9zCONxR2M5BtXOlMSJNtEe32DB7P2eNlnEyxEta8bKS47oGFMWmaaGMx/EVw8 r5j+miA36Sd+Fd6CgFPzBd4emWVlZtdl8VAtZzYrsLK85CWaBqJPNYZz1lcQAko0 GQr3h6dint0sCjuR3vCuhgR2FSW52MhsEZLvAIJGJYzCaFhnREAeef8URc2boPmS lbIIr+MaGadCIq1xAN4MO/eEsrvPKtRijBhj0JG9Pf54xh/jZJ8EhnPKbWsQ1lE= =hLml -----END PGP SIGNATURE-----