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 debian-7-turnkey-postgresql_13.0-1_amd64.tar.gz.sig gpg: Signature made Wed Oct 16 09:56:53 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 0cc98397c3c5037fe96b4e9e0aa7b60ca8353243 * md5sum ae443dfc5c23d43fc443dac0e2f4d943 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) iQEcBAABAgAGBQJSXmLfAAoJEIXCXpWhbrlNFMcIAJYdjHS8Okv2tIcipOoze3MG QUuku9ER8TfeMEsAHQSfUsefl4x2/f7WJRh2wVQATHsc/W4m2f18O5OrudAMA67t hzBsP9UDccnDcSn6UDgsZeczkMZspqs7F9E93PQrN35cW3Cys7e94JHe9doP0y38 MhTxK6+Y47BDjlMdzg4vwKEX8p/j1QM+hnZ5eOxszL02w1mIcLCYazLbdKzewcVA kPQ9ZTzlrFHHWAlZYIHmv7tYkxbgm3Q0qYmmgCXKOWJ9YmLM3I+SPufmJEFBCSK4 bh5Wvz/qmCn3N/uJ9bUEicnDS0wSIUncnTxuWNYKXZltlPE3sAdny0fLxC2NQ+4= =zyfq -----END PGP SIGNATURE-----