-----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-punbb-14.1-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-punbb-14.1-jessie-amd64.iso
      ac2ddb1537a3c088983b93ff2e3b736f

    $ sha1sum turnkey-punbb-14.1-jessie-amd64.iso
      36e5e4876122fc1af692a7489ad467bd3e76634a

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

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klUpJGVC3eGC1hJQX98kNMd2kUwRfdMG5TyRzeU/wIiPj0rQxIlJU1My93ogtVaQ
osbeP+IG2xu7zuHa9oNDeMaNYioNEzKaHYcPJyp1blVS8LBIndeQXzM4Z+15FXtX
Oa3Lt3zNqLh6XQOpwoKQKxrLND6Do9nt8JJS//8P9X8TzjPA93VDC/1Os9ygw6yC
V1Ukqo2PYM8xyprY4ePaYeWKZdsk0c/FylLtpGoVnlhwakWIcfIvEYtLqqNTcPU=
=cuQ+
-----END PGP SIGNATURE-----