-----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-moinmoin-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-moinmoin-14.1-jessie-amd64.ova d3edaa6544e4feda8dd96d014bbc7cdb $ sha1sum turnkey-moinmoin-14.1-jessie-amd64.ova 7033d3521722211932c0f6c84fab48b5a05bb6dd -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn1AAoJEIXCXpWhbrlNnk8IANOLVV7bg3exNgWpNEmPDzQE U53NDg5BbyXwcpZ8HkdYE6HdGpJz22nCfiHrrv20c2nT8MVPj6SNbT5K2MRRmN6N 6rwln5w/GS1dGyQ29CQrfusXUbxygW1PalXMKaFoGvQ7EDU+tXFwDYEeJmWiN0m3 SbAkihW2ydA9Z7XJoMt3/V6uq2frn0CN6Nkz4nDWbk+TY5l/YqENlMA7HI/UzR/L M9LTggjKd0wPIzC4OPG2ab9a3K+ak6SNE+L6DIgvJvDh4xm7dOyuXDzgXoi8y9TY 5s0e/7kf+JXq2SRKHfkQu8CO2Y58QR2l9KEY9uHH795lDahjvOgCUtPEkwKg1mY= =J6yu -----END PGP SIGNATURE-----