-----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-drupal8_14.0-1_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-drupal8_14.0-1_amd64.ova d5a2e6a63f4ac2ce1c2eb98c7d4ba86d $ sha1sum debian-8-turnkey-drupal8_14.0-1_amd64.ova b34fb0c090618dad4f96a1890bdc4b1de2be373c -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxSAAoJEIXCXpWhbrlNhBYH/RZolfHq00NGUnWdkxdkek1M EJFFsAhkBf9d8LihfLz3QayUYXH6LXMlUc+aSdcJ9tE/6BPSqjkqnG6lIO/DuyrJ urlZ4VSp4PaamSGblGgdaRfckTCYOPYDEGMUA0MeTP/NPJR5F7j2fxrbkYvex828 rYDDtopLpUuqr4Ywbr4TjX7cnLYhhk8dppmnq9TA6Zh2dKrihUoQz1jra2BZc65i iupXYlTghWmKbBDFopAGhR/n/zc2KLA3ItV+rnq3Kr0/ydXZ+EXniHObNLJM9MSH bzxchAw4HqfCNNNxJLHzLW2bvFhFlPncWKErfR35y2r4rRE0oHtLTVb9CGYLH54= =PmtR -----END PGP SIGNATURE-----