-----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-mantis-14.1-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-mantis-14.1-jessie-amd64-vmdk.zip 735347b0db903aaa3e692b0d1cfc416a $ sha1sum turnkey-mantis-14.1-jessie-amd64-vmdk.zip e07b70830c71703a9538607dc004de0444430379 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn1AAoJEIXCXpWhbrlNC2kIAOzgPSzyaPL2q6ahrAbmd/Tk i+cmpXdy1rVFM9hlsZBvKC1CTIMk9stRzXX/Lj4HFJ+81+dzj2Rz/scdWcHxhh7B 5h+iittjqtJYLNe09RSLqjCoKu0medMorm4+5BcfAaCAl3F8owvbIgtaGrGYXbwe eMglUh1MFxf75AeytQe0odKWgraZfS9kr/KfGgJ4U+HVWDc0bDaBl0peC+6AXs3g 0Dfe+wo8nF3zEiF1dDMIPM3bTSAKd41o6O5J/qfpn2cFMsEisItBmF3RACLipwz0 wX8DD9tkipUJgYnbGu5UbguLdT4lOSREa9p7qbY69GEzvS+/NXho/ByUMH1N/bc= =ZCIc -----END PGP SIGNATURE-----