-----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-b2evolution_14.0-1_amd64.tar.gz.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-b2evolution_14.0-1_amd64.tar.gz 7fe78b65f383c4363a32ee143607f9fd $ sha1sum debian-8-turnkey-b2evolution_14.0-1_amd64.tar.gz ed561085c23164485c97ebc997877ddcc1ab6582 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxRAAoJEIXCXpWhbrlNsGUIAMUR3SX8WHj/XdbwwMUrj1na NzAAmQmG4TcAzIMuE152azVDSubA38ki6Y+ZSFzY7gWSyttcb4XyLeQFje5/D6gH ukfgcfaIUNygkKVuMbEw4CRze2V6xz1EDruF/rOBAGqXaN2Sig+EQf7G9GH4ESXq yuGJ01w6SafO56x3DHdraPfkIEWWasKtu9BgJ80v5AglyImOYIFXA6fot9kqRG8M pt2iJZQxt3SmS7TU8z+R9Cs3PV959pnOoPTJN9+hGln/qU616MOuLNa5tEp3mNtl HeVbO/mRBsOmISWKe5U4W7HXV7BW6L8PZBylHVD+tUosNwwa4amJRWcETO/1mdU= =SW83 -----END PGP SIGNATURE-----