-----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-processmaker-14.1-jessie-amd64-xen.tar.bz2.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-processmaker-14.1-jessie-amd64-xen.tar.bz2 f16f9340dea90f6fabbc00d3f1092354 $ sha1sum turnkey-processmaker-14.1-jessie-amd64-xen.tar.bz2 05739e135affa74c40e004e99a975ae5969fcf3e -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn5AAoJEIXCXpWhbrlNiwkH+wXrX9qg1AKcZi87UB/8RVRW aiJ0AaNBs58ZmtTj+fmShorO+jOZ1o6tJguCRuMbJ/LrVewXUgflP0im4rhQYyuP BDHlapqMYwE7yw2vErYgkFX3Ezq5tZgsl9cCNOM+iaBsC342Nt74MBZ3STKZX7TR 9aFQgALflgc2yV2tbNkx51/tWCXH5i0ODObBKxT/QtNFZFHnh1d7+8OsZlFxvF0t YUCeINWFsUmTLlBbWA9L9QDbSNzMecN99avNB6WAi+pTm4k4SrZRXGm5p9hi7Tpy BndALakTr5VSJCOj3VJufp4PZgTulEGXolRq2AaZchGEmodDpKgMF1efTY/nwg8= =oc/y -----END PGP SIGNATURE-----