-----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-nodejs-14.0-jessie-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 turnkey-nodejs-14.0-jessie-amd64.ova a59733fce1cf120602083cba8f8ae936 $ sha1sum turnkey-nodejs-14.0-jessie-amd64.ova 69ba03223dda8ac860628b3f6385cf01830947ef -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdXAAoJEIXCXpWhbrlNYE0H/2VSJxHIUmOb6lhf6nwOwBCR Uj+oOJ+HKCNMDjSLKBn/HedkVsfhtHTyXVlHyfIFf6nMViKlyJWu9LhSHbfO73+G hp0NiLgDUVHnwZ9jmRkh3WFbKRn71TDfdaCHq2wCowk4mph5gMkVDusUW3XKZ+V6 RMko/1MqjUP7xN8ak2wpKb1m8rF3NzZA+pIvVzZct5sVcv2kxX2fRCw9htB2aL0i q2Mcv00SgViMWsWegjyZd7fUAbU/Ufd/NUp3zot7qM+4JVEi6vxLo2akpN7E0usI Fr+R1T+DAapCr6InCwNObQGHIlYeMbQbUFf81Ou2dn+QCZLElg7wt7VsxcMqhb4= =fpbf -----END PGP SIGNATURE-----