-----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-vanilla_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-vanilla_14.0-1_amd64.tar.gz 6ed1a47995b47f4e17de5d9b492b3ec1 $ sha1sum debian-8-turnkey-vanilla_14.0-1_amd64.tar.gz 3e8d8aa66d82a9b05983f72b1361314060823f87 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxXAAoJEIXCXpWhbrlNWc4H/AxCeFT1s/6n98g5naPenEmr pLt97DqhehKptdhGVNS0EKu22ZdblltAQR3Bjvo/QN4OOOxlLqonmcR/A9f3E1sk i5NRcitVNHU/rC3Iom4vdBCtXBoZinbiUNmtZPA6XjCvi6HodQ8kDsS094qG3o6y pR+KDZgZzEFXs+Vzi45XypnLnD6/khyKfbHIXvVpJ+7MPmXlosbBERJPwrkU3rRG jonsAWBbaim2Ka7QDthskGJSI+bNBGNA6rXDSDO44lMA76k92acAF9jamUdRByG2 zjZ3IbScb0NY8doKXhVX2gFTDEQ9reezBcEmoBzgxVALZqFktE5OB8HZObQpv2M= =z/7o -----END PGP SIGNATURE-----