-----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 <release@turnkeylinux.com>

    $ gpg --verify turnkey-concrete5-14.0-jessie-amd64.iso.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-concrete5-14.0-jessie-amd64.iso
      48d2dde51712dcd908cf0218f383f080

    $ sha1sum turnkey-concrete5-14.0-jessie-amd64.iso
      1c7ff07136b87f09e377e5dd436fa2dc4d190a8d

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)

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K7Ypy98TaGYGmET0GL8PhMbMAUmyh0m9e+I2favBc9UbU4KRym7U3iQvQh78nW1c
xLc+IWMf3dwD2Z7srONYLwCf5dwSi5dZ2hVXJKPij+UYchoJpbNVwrGdj2wXpcMn
GIiwqgCMxr+Gs47mnbXBMFnJph15OG/L0oX34TWX2BC0iT0kBTcC2eapqlpLrYpB
aEYTmj1nwsh+0gcPwufUKA7gJ9vetl5VdqNNOV2R30VqhZFIP15Ep4fJ2ycr8UQ=
=2czN
-----END PGP SIGNATURE-----