-----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-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-14.0-jessie-amd64-vmdk.zip e8046e8a4a0a07f312ad3e2c8ae60ac0 $ sha1sum turnkey-nodejs-14.0-jessie-amd64-vmdk.zip d50a078f011c4176516b1766a9255994b782fdfe -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdXAAoJEIXCXpWhbrlN61AH/A4IpZ3XzdCQ0PePKfUumCJt FJ9tBxeIgi4GHiJL5TGj4KWh+Qc7yGJ9+Jmgdu7AqHqa40QwFx/IcKXMiZko3Dfd KVm94JbuVeKLBYvkqDorY+eqZ4Kx8/riuT5tI9I6Lc++4kQ9M3tmK+9bW+LUZDJD 1bZwJP/pju3D1zBosvDRrUTE198fck+t0MxaPExx3ahtRn96a1LIoMmm40F+5W5N EpO/TZyxCplNIYGpp53lzQePk5/+Mr8Z1JMWP1auWRjoOhrjRDbTpOX2URvaYFMl WR1E0Mqh5Xp6q4YIQMGINzxx+VuUWHVI3jhEUmrakCPwY71UnJM/Rw8E51GuSxc= =9Oi3 -----END PGP SIGNATURE-----