-----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-zencart-14.1-jessie-i386.iso.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-zencart-14.1-jessie-i386.iso d89d798e5b4dde9f092f710148ba7dbb $ sha1sum turnkey-zencart-14.1-jessie-i386.iso 53f0e43f9f13d210f637981018ba45fe5f0074e5 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXCkP1AAoJEIXCXpWhbrlN3LEIAIUeCAkP2PK8RJbbhW2pnpJA oCuo0QzHJpPZKu8RCs7CqtsVuozswV1p3CL3X2GKMUoXNusXAnYFZ0Hz8aKo1n68 sitPuBpLQ6O/HLjGpvJQMtKx7avUCzyJltgUsqgW9N0LI3WNaEUkzclzFMwniFKl fYcrDKFvTBw/tpiz/VjPi9HojDLdlmr4PQVZlLdQ91DhiNG6m1gmIBytMOWb3UaT DIednuGyxRvSJNqLgezOLCewIp9o5bgJTEVxMlGiserNa5GacgTVV1NhT01RaI0+ nk/mRNKX1OWjsibpvemLuElJgMtR3mOm8eH4+kX3ZAWuY2meW5Q4FthzICofDRs= =VuFE -----END PGP SIGNATURE-----