-----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-web2py_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-web2py_14.1-1_amd64.ova 862eeb0149d5454ca183fd9172eed67a $ sha1sum debian-8-turnkey-web2py_14.1-1_amd64.ova ac795e8fd6ae78cac976802138227080a54cf55d -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnvAAoJEIXCXpWhbrlNtYQH/jyrMi63+mwxgZm0k1fPbdvY Njtviu1EgkO5cOV2Vr0IH+6ReFWSvGUKUJ/92MGuySJVIqkgVP4Yvi4WKxMpZwNd 0tjrTDdo0DFeXYCaay2yWr8bBCsbRuaRgAu0nSRy/onqW0HfeoOBC2hmypL5HiJb ksiy0ixE5IcvYfjB4RDy3gL6V1h2uGEnKkdn5ja5PcgD6hh8mBrAFWu8YDo1AJSa 5lKyw4E2IIIC8gPOO/z/Kst8Te5CAS3Twtkw6AfKa44r+cCDwrYNbCwXZg/SoW2z o+LLYC/Rh6P5PAD6XiLAHxqbOLDTBhEoLnBO/E/qxm/atpd+nyZ65zQmBFFLEHE= =/S4j -----END PGP SIGNATURE-----