-----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-openldap-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-openldap-14.0-jessie-amd64.ova 45ae9ba9561e20c28120b3df42bcba56 $ sha1sum turnkey-openldap-14.0-jessie-amd64.ova 0f0a7d855b4afc334f986778c4164cb57418ae66 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdYAAoJEIXCXpWhbrlNkBUH/2EPw7h7hVwQ2koRHCz4Lnup VKo/CsaR2ORtOiDfLc1dJUrnL3MCdaIcxymRiWrbeonhUmYBA/oKAb5aqKU2FODd /KVbonc5Tgm5O3q3W7tZ9EDnZUBjdEyLRZJOGKbZ0u6xEnn6BodjmWwGQ5umgS1W VPtJcbxNvo3yj1ztcJbInKWBRxLXso7YAM1UV24umDvVGj7YbduMtE71oY0d6UoN /mjyqsa65+KpamAR1KKd8FIZdkncYJDFKk0fL1kqrW39Q+VlX5sy7dZMqZzLD8BD phLgc+wZHnS2QVFWPeBAJ5uryIvWRexw/r+Q9b+pipk/3N1KXeqNw+kJ/aF6j1A= =YoS4 -----END PGP SIGNATURE-----