-----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-core-14.0-jessie-amd64-vmdk.zip.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-core-14.0-jessie-amd64-vmdk.zip 40b632785c88232e93c9ccba610c45d5 $ sha1sum turnkey-core-14.0-jessie-amd64-vmdk.zip e47e79fd967e3919e73536c2c8a9585b8683637c -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdVAAoJEIXCXpWhbrlNvU8H/R3fCNh9jjDCMy2ogtMSvZR8 6ZCxZljduUtuNb9NASoin0MwKqAj+8mcVv+EktkQS1N5jXb46ngFNXXIwrFwL+oY +eK7ddI6hB5wh4shapym6a5hGMdFK2TLKuz/TcG59NI+AR+rnxDAZvXj6ht5iIJh Bke+tUXapB4Ypi41hd9fRwsQpIT4et61z4cp35cdBLVenorbodPb7E+KtYSbzF9x 03r5SKpaYW+0XlXBaMr35SiwHyP9/foMl9CzfQlCqMnL2HKoXju2K66TOJAn2txz QcKr3u9cgzDfVnWhA9fG4lizLDb9JmmUfpOHDt+cSGgpKku2Cy23La9Z1WMEr0A= =Zdmo -----END PGP SIGNATURE-----