-----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 debian-8-turnkey-xoops_14.0-1_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 debian-8-turnkey-xoops_14.0-1_amd64.ova 1febedc42828fd07be66aff3e7376494 $ sha1sum debian-8-turnkey-xoops_14.0-1_amd64.ova 787cf44cb77b6f8b5345cc7d9c85b0c8f2bbc1d8 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxXAAoJEIXCXpWhbrlNO+0H/ikZhRukZ2RQT3zIzM2Lwezr goZyurLLKql5glzG282a6hVL3uB/ph9cs0yaiUIZZ7gG5fC1kfVqDOO8lxZDw5WE 3/LQudHAKzZYeKUDjJUm5ZvtdO1G8u5epp1yYhqKECDIOzCam9LxBLRbCI/Pxbg0 +BQk198RZOC7zmQ/dF07AUclEH1MM/uSSQPsgk/Ys7MYESIcOxeMpffeFD8+h1iA XrVPaRBn60AU2Rtkv7vBK04X2YYpZRPewRQbBFStlz+TlfkjKceX7TRhtXuf3Iy4 tECWs7XrH4YQ3Dd7SzsB7cr0qg5ZQMxfpD+CToGGKwAAtxbd+F9ay8WNMlJ6kVc= =+8ES -----END PGP SIGNATURE-----