-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 To ensure the image has not been corrupted in transmit or tampered with, perform the following two steps to cryptographically verify image integrity: 1. Verify the authenticity of this file by checking that it is signed with our GPG release key: $ curl https://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import $ gpg --list-keys --with-fingerprint release@turnkeylinux.com pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] Key fingerprint = 694C FF26 795A 29BA E07B 4EB5 85C2 5E95 A16E B94D uid Turnkey Linux Release Key $ gpg --verify turnkey-piwik-14.2-jessie-amd64.iso.hash gpg: Signature made using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key " For extra credit you can validate the key's authenticity at: https://keybase.io/turnkeylinux 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-piwik-14.2-jessie-amd64.iso 1f2b6c7a363e0aee3b1baf3d991bd02d06407f6896f162f0c2e85211705ea64b turnkey-piwik-14.2-jessie-amd64.iso $ sha512sum turnkey-piwik-14.2-jessie-amd64.iso 4b32a3e4a6288e42e07ae6ca1c025fa3ba28a014dad08ce028a2071b5d19e1c4364ca0db5821a16b83cd1d5b68f288ad7a75a0d3d27ed3d3a249b67e41d3abcb turnkey-piwik-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-piwik-14.2-jessie-amd64.iso.hash turnkey-piwik-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-piwik-14.2-jessie-amd64.iso.hash turnkey-piwik-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZVQkpAAoJEIXCXpWhbrlNPcsH/0dEBN6V+ClGeGkTKri1Z6MH ZpEVd7bXh8C9U1vPjBBiNFwvkcmmh/8IXTxlKLSHn4bTVz8drr/YkKlS9C6XpWKQ YgdVetV8Nzf8PURDdwLQUT2X8aA3qJhX3Nxq80DtNVPZzw3oXQoUXR0B9thFEGMP iCIBlb6X3JXg8B6ZdaDP37OBhmJaBoDOdi2wak+E+nXYx3hfLFdMgyddfM7jH4RT RnY/HNedPPCNa55jbiPM/QAUeloaNi6QC/WXilZutukyj4JnkjZ99szQbC0rIpKl CRJR8OamYYM87yKE3QeU0mGwuIKFR4pm6JaMAy1QjsAiHAmbyUUtTEPn/INPY+M= =IBnS -----END PGP SIGNATURE-----