-----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 debian-8-turnkey-piwik_14.2-1_amd64.tar.gz.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 debian-8-turnkey-piwik_14.2-1_amd64.tar.gz 0a28b0b8aa217aa4d0f17503446cf72c6b4c29fcb003746618b575297f7809c4 debian-8-turnkey-piwik_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-piwik_14.2-1_amd64.tar.gz 8c50b51d44d9cd5c72f58447ec11bd18fbb3ffba70a353cf4524859ed07ed01a21857486882564b42ab5cd0e09a77cba1e523a91ecc28e93c463967abd72a9d9 debian-8-turnkey-piwik_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-piwik_14.2-1_amd64.tar.gz.hash debian-8-turnkey-piwik_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-piwik_14.2-1_amd64.tar.gz.hash debian-8-turnkey-piwik_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZeIKkAAoJEIXCXpWhbrlN1hwIAL3Tp9bXFZ1V9VsegnDBKfxZ 3ucwg87d6UFVLodmuM71TaNMRVVoLYjp3O5tczFfCsQb/wHkfQLasK8PhQa/G2H1 EPCC6MLVCLojL5KWaka9Qzwmfi/Msm7UsdSk2k7hxhWV+SG/uaj/EwC00w9Tvn0p gGIbCuK0ZH5lByvAtOfxG97S1nurv1Tin6KWOo9FRa8H8OgzFB8Tu6gfi2sTAUu2 Mp/XsSXehgF405rCjeU10aaxU4uKfVndGaiKRUz4PaT2mryWsaa2xHHPZDOythdG hLP4Hl7oF+78HAZiApuaemOTYc3/LJwNVjW6vRKQWVa5QKHXvd4cjMVdmcG3Wec= =wuqH -----END PGP SIGNATURE-----