-----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-yiiframework_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-yiiframework_14.0-1_amd64.tar.gz 23d41a2973b3d494660455b1296edf03 $ sha1sum debian-8-turnkey-yiiframework_14.0-1_amd64.tar.gz 1758fd2277be55efd2e193ab868aa1968d750ca8 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxXAAoJEIXCXpWhbrlNvzgH/2CPNhnvwfgCpLUyMVtpWne5 nfBQY6ndZK+t9UsfdxO0XRvGa/Vn5UnAfmIas/9k2sJ27WpNPDm5vuyvABu8Fsj0 UF7hSdLmB8La24TeMpUecCDh4bMGq2mjQPom1Yi8G3tAb2L79p0Eg/NZPPnbHE8u 6MoMEUQ1lvWRoh/RRhdlO6BLvkQ0vBdh4Kca4AdY/FBpGlOPIkcDx9nA8uezVir7 5CCxKKB8kAClzm+Bx97D2xmstWM3rrcTf9zjoMhs0qmIulRffqOd3eVxfWzN8ZVW 7w/TNl0wnXB2AQkyiROQGZejSP7PyP3DR0sehFr3HEeZCLtVnvYHxbw8QUidwug= =NZnz -----END PGP SIGNATURE-----