This signature file may be used to cryptographically verify file integrity, like this:: $ gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify turnkey-punbb-13.0-wheezy-i386-ovf.zip.sig gpg: Signature made Tue Oct 15 18:16:51 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 208d7847e422b2200c6aa62bd9885acc18ca13a3 * md5sum fb7212ca6b1656aa99bd36febdf127d7 You can calculate these on your end and compare to check for errors, but cryptographic verification is recommended for security reasons. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXYaHAAoJEIXCXpWhbrlNHOIIAMgOnthIri2MDzzuALYIg57r mZ4XS+pcv53H6vPBwgvCMKZskTErAZTXxe+0QtTGp4D7qZGLH5jx69DiDz+MQGj6 /i7g7X0VLhe3t7mzsD9ZGNVWo/3iE2j38xFuaoT5ls+AIGfmoJ80F+oL7Lf+VlUM fY85bstvJ77Tkt8Ck/AESCorUfeSGHqq9DAFWXRF90RdNwrThZdKx2VA3T5HI3gm rnNqbTLPfid7O/R6cAso83Ck79tjaakcXB956abaAhF8tiD7HNXnukZVqVyQKp1c KLAbg4VzlHCp9q2aZEVL9Mc2+ic8OGqfA/1vKv4hU2gWYBx3Gj36A94d+kEmJG4= =MNDf -----END PGP SIGNATURE-----