-----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-oscommerce-14.0-jessie-amd64-openstack.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 turnkey-oscommerce-14.0-jessie-amd64-openstack.tar.gz 3bd46b5495f615284064fb7a7c77ea4a $ sha1sum turnkey-oscommerce-14.0-jessie-amd64-openstack.tar.gz ecbd7b49bbba366df7c4bfb7a841395048433e95 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG+AAoJEIXCXpWhbrlN6o4H/0pFRBESSLY8S1p2BmuCSRdt Q6SwqbgShvEpgSlotayAnxFFX1NBHGUvN8IPpyllEjHqvpYzNoXF9g5jkgo9/NHF 12SJPmrJlkGwWCMoUIfJm11ZGS1Bde2s0qWaDalY/naL69Hwonya24hhxSNbntXc 1t0cQzbhvvLVv/PCEGJ8PQcnvxYaDKyexNQruSqK8qPLmsOmFanazEZzBL0Lbqc8 NuAiFKbLjRZrlFDhQmVxp85s5NFIWMUj0h79ghEOyTZ9h0nQBltjArQdY+oy6GgI GMzKvRT35ot3vGLqR7HngN+UhnuE4ahpJ0pbPzNyuzXLpfByeM/ZWy/eujW4ZuE= =QQWZ -----END PGP SIGNATURE-----