-----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-icescrum-14.1-jessie-amd64-vmdk.zip.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-icescrum-14.1-jessie-amd64-vmdk.zip 0f63b65b627621fcb6d4d78e8c8e603e $ sha1sum turnkey-icescrum-14.1-jessie-amd64-vmdk.zip da429bef461733c344044a5718447f1be4f36d19 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnzAAoJEIXCXpWhbrlN7OMIAKE+cbQI8dwyQrQyuos7+KY2 Eq5A78x2rU8VVCxbjEtcV7EeDrBe9D3gBoNM/DeQDEDlkuLigZYvywTpbpWfV8f1 vHhDwEcNQf2Wg3p+ALA5U85B+lOJJPCp/PuBIFzvNBWUlPy6XrbqgVbVHRAvjgsT z0qO5WL0AeDIP7AVHDUwnZ7pA+DUcVxvT1CsIyH2xQNirqkvq/bKjWU9xcTk/4lX MhdQdB1FA6a3T9qRzruk3ywmFF5diEL2XeH2nk5A37Gw7D0Tv02e5Pi8U2i2zvDE yjf1xX2ifHGtD3nqn9Tld6QjHEgBwjFIJ6UPPMQ+yN8WUjRofQJxpA0jD1az7XU= =cCmf -----END PGP SIGNATURE-----