-----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-asp-net-apache_14.0-1_amd64.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 debian-8-turnkey-asp-net-apache_14.0-1_amd64.tar.gz 6e31b347cced11ae11e02f2ddf64d83b $ sha1sum debian-8-turnkey-asp-net-apache_14.0-1_amd64.tar.gz a7d98012cbdb2c7a4e51e99118a52aed776bd607 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxRAAoJEIXCXpWhbrlNeU4H+gOqy03EqEzAzxwwfSnLBJ/B BSpkAezOPIuJeb78CPa0ztw9nX8h6qQ0dQsywq+fvc0agBM/dHYw/thGb1tanR8Z ncMixn/fUUkiLX1797v7osq2NHKlqc2DWvJ27b++ZUcaQKSzOQtO8vu0B6LcstIk EUvw6DWfeNQN44oixbg9hBpB34wmCJjQkQP0lJJ1iNf4TCb9WgWeeqLDPrSuYvxv yc7vOOnq733P1zPkpmXHnp7TxRk621QLZhW8FnYZ/j56Eay0PYBPu/MBnzXf0t93 UR9Lma88EHyYZXl7cXpYFNYFh2q/j1BNq6xIc1w/HtWsZXB1FMKpANnxZI93R+w= =5y55 -----END PGP SIGNATURE-----