-----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-tomcat-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-tomcat-14.0-jessie-amd64.ova f337ef80be9f0a408f07755a65061076 $ sha1sum turnkey-tomcat-14.0-jessie-amd64.ova ab13095d0973a1f0367f191a852d4feacddce8bd -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdaAAoJEIXCXpWhbrlNhLUIAOIHoMewfjyyYjCJ6eglA5N2 TLCDmLzB2Q5eZuxj+HQwdHjsWeYIh6EjtJnJerpJPlpBPyXcN71/19R+2g9mgTOJ qVSyO03f72PggPQDVjqEn4o0Y4NiL1fF5jFiHtE0mZIOR0Pm5gMHu6IaHyvfPzMv wOvZyIAESSEudtNRmBIoVJ5uMrYPdBfAeFq34qZz0FGDEuvtwHmhTtuzgyjF6fLs e8De3EJ93NrcwRuzYSkWkw/s7jNw611I2zQZBKutDBYEFCg4lZX5ea0F4kLV6Aln kHusIJvpyjTSaiXIwFv144PDMW9x5pF/n1U1Q2IAB+2xQjl8zYp+Z9gg/5g15io= =3Nk9 -----END PGP SIGNATURE-----