-----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-roundup-14.1-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-roundup-14.1-jessie-amd64.ova 2566b3eca4617a190813f1eb099a7ea9 $ sha1sum turnkey-roundup-14.1-jessie-amd64.ova cfd8661a0a076dd726868c576c7ee40ef0ce738c -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn5AAoJEIXCXpWhbrlN/sQH/0CfHvTphHtN7AIQ/6KDCmq3 Ub9BZylz08Az5qnF8wSUWAdAxL3oLsRG1KoywTMp3iyd4alBAsG7lfdM/NhDzLWT CUNp3IkKVDVsqPhvuN5wAiozI4pVY/uR5dNOQEv/jvvHDVEZvVroe6xf2L/1uOGd r5K3K/NN2hr7/YlkeWJHp5f+YouCIZyQjZBxvgpyXIUbQsr3hN2GG9MqQ95B88Fp AZn3oT/VGuONqaCSlTnY2H2P3xzQHzSno1kHzXVF6CYOh3LXOHI92gRbKPXsqC0L exxMp/FXQ8vKfHKGYnV4pZBjGSh8r6a9XCNFwZNeXzdZGfBlikusLZRFAwZHyv4= =VVU+ -----END PGP SIGNATURE-----