-----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-owncloud-15.2-stretch-amd64-xen.tar.bz2.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-owncloud-15.2-stretch-amd64-xen.tar.bz2 b47ff44a7c30eb71443090efc55253bcf4ab3279824d7c0762403ff401ad8732 turnkey-owncloud-15.2-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-owncloud-15.2-stretch-amd64-xen.tar.bz2 179bdb74f249bef5de60920fb6d88c9ed25b78042a2a453b844ec8bce1b3836006fb32fc94001332bbff1864c92ac5c48425e8c6a65f4223fe16c78b2988f98d turnkey-owncloud-15.2-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-owncloud-15.2-stretch-amd64-xen.tar.bz2.hash turnkey-owncloud-15.2-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-owncloud-15.2-stretch-amd64-xen.tar.bz2.hash turnkey-owncloud-15.2-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAl0THAQACgkQhcJelaFu uU02eAf/QE03ZLDLn6mGDcp5jfKUI0coTI9MWBErmlp80murTSMbLlXR49ySIPhM TflOwSE+nz0LI2RPhLoqQ5Xk80rpdRyCyU4bSSyfYZKMl8BmjFr0czWv6EIeIhee RTiuyyx616FLtzZ3OFjphGsRMhC7X4v2SjbCYTwv28HKM8LY+Sf0JDTO4L86kh2W NJ+M5Yjkh9HSuN0IoyoVMdCoQ70LByV1DtOFKcA1NHRGpzj/rYUwN5PgYcimLe4V ZRdaGvuMIiRIXooBG9Ir+yNVYzXuDQgr1O8Z1STR5r0pDUNelQBe34CJjLUYdTGV r6Bnjb0EUFirHR8pOqFqHGegXW7/tA== =5bag -----END PGP SIGNATURE-----