-----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 debian-8-turnkey-collabtive_14.1-1_amd64.tar.gz.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 debian-8-turnkey-collabtive_14.1-1_amd64.tar.gz 890f26a1fe5675aa8f8810a15498e9fb $ sha1sum debian-8-turnkey-collabtive_14.1-1_amd64.tar.gz 50052fab8d8f90027b7cdc9b9e4f065caf823aa6 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnqAAoJEIXCXpWhbrlNQwwIAOgNFmA8aQs1WI7/1caiB3j9 cUoy37l8iLVx2uTBYxSdC5WpWA3RlwCgji0H/759xUoIGwCeMHJpt66d71amGcFn N1A5++dy0cfF7XPTRKEBgvxh/xeW39VqINMUKb4jHlqPllq0WfTPwsbf+wa6W2t5 gDeuYAQc/aqwx5SDYdm21s78CEO76YvX9oEeVclxKA8Tx/J2LwrB5HkLOKCCK5B1 pxhDjmINlfDsWZ+VP0kbP0UuvsSILmNbgv2RD3c4G2SA4bMqOogmhIaThT5tTyCv VbU2aPSar2EEo5+/avSPMt21S1HRaSlzCe8ks+X56g+DWLlMTqzy3hqUtN+ga6U= =gXT2 -----END PGP SIGNATURE-----