-----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-14.1-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-nodejs-14.1-jessie-amd64-vmdk.zip 27df0d6f67ad84892da8f4bb2b870d4c $ sha1sum turnkey-nodejs-14.1-jessie-amd64-vmdk.zip 4745dd255c2e320e6278cf82ca60559989b03339 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn2AAoJEIXCXpWhbrlNeewH/jhA504ngIvWLZvOPspoJOGE imFlnWk2A4uLOpMPpNkhOjUmfOt6Qf3wde66acI/93pfBt3TZfkiAosaZ3DUpgxg InyzJfNH9c9IhaTK2V36OeLG2nqB8XwTVCg9tA4TAawPTmBmgAViIg84Yij712M7 Daryv4jbYAv8/v4xBgacN2oukJC51un0v9rCVtHe29Crp/kqRtYsllwnzZT+tfZi UHuDhb5Vk/SQVkH2vcdyxzyCo2nvoQj4lok17U5e1nLgHTfeC+PgX3ceCOIYPu8H cayrG+bYKt1/C+wc3Z+cnd8BUt04p2bkhjz3UruDlPnMo8BcAotyCQduQvLvYxY= =JZ0R -----END PGP SIGNATURE-----