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-postgresql-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 18:14:12 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum edb1cf86cc37e80939413d2b4df61d00f8056844 * md5sum 6e5f13e80e1c743185f739ffc1d7ebee 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) iQEcBAABAgAGBQJSXYXsAAoJEIXCXpWhbrlN3BgIAMBNERhy4lAR6os4gCCwRspA HfHfquenZE/ab3MJmaxhGsHcbLhZaY5Uju+Ziuh2vv37048GDIQSyfS6gakoAVa+ fF/C19cBJ/68VBXMaVOg5Md5dWeQa0GO60JOwtYq5JS+f8c6+o6juNH9/uRw6NEI Na4APhoK4aUoF30TNFYcWTkMieF4R0tmDjx0q1DRiLGuB02XLXRPczr57zQ34/EI 4VCvdbHKXHiHgT2aRAuDZXnv/74h1p682aUFWHhqbHE48V/URJUi9HFLfF1w6Dn1 dHy6M91JNxGQ0f9FGRn2KXBUt6dIb4+oS+EFoLpOgsoHddJG6IEIFzD7e+sU2j8= =V0z6 -----END PGP SIGNATURE-----