-----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_14.0-1_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_14.0-1_amd64.tar.gz 2a082a78227dccd7e567457db26a31b4 $ sha1sum debian-8-turnkey-collabtive_14.0-1_amd64.tar.gz 678ac2fc4d5a368a5c2ed1b3dd3e5e44d577b159 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxRAAoJEIXCXpWhbrlNd54H/AvCoSyMASHEY65OExh2M9bi MJJylXe/pLJq0CUMRkxvEvoH76dLnrp+vSKcaj3Q5VqKKfvtseZ7vvtzdP8kXEXt cFJ02F0rD05GGcXDDexGQl/hzrHjjvPEAQtVtutTM7GVxELYtfSlwtYJ6E5w5Ckv CRyukAJJGrine1zPPSKoM2GmeSSvYZnancPYFg/N1OK2XRSSoHzOC9CQITy9JNeF jyl1eDLSbMYztsy4dm9Y2KWsqpjwbXmStV01JKJAlPBe1ZWLy6HSffQE+SOwywBh f8JszgsgxolTixILYC8G6fNYgt4/OKFdh3K1K6aNi01SJh1/ErYhKuuW5pW1D9k= =WPR8 -----END PGP SIGNATURE-----