-----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 $ gpg --verify turnkey-moinmoin-14.1-jessie-i386.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-moinmoin-14.1-jessie-i386.iso b93bbc8462633213776136eae2245eff $ sha1sum turnkey-moinmoin-14.1-jessie-i386.iso 3139468e604cd69fff452bb954d4b30b0a86b6c4 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXCkPyAAoJEIXCXpWhbrlN6toH/0v8KJffUWVzHK0xwqjW4xgY 3LQcMkSw8NCzuiCocXBPzlfIHNHeoqnxVzcQv46pKObumMooWYEjMi2AjAWVAwqr CDGkGlh2DoTzWEaWRVDYLQ9f8H206ncLiBp9VJk0PpsmilGJ9gPdIAPcM33GyfAZ d90MYNLpM6Q2DqlgJ1MGSq5KNxk3MpLsh3cJcKZtFZcWeGd4cY5xF2dyAk1W+AeZ ZN2Foi6CMSFxMiyLUHkofWlL/Eo1qfLKNCW68ws4lFSYosOeQlgrgWbPRs2UGbuc o9G5rWTL7LPXsl7IbEcQZ3wyueqVHiTwjV07QWRZ+eIkH+bWEoDbswUlcG/AcOI= =wrjw -----END PGP SIGNATURE-----