-----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-yiiframework-14.0-jessie-amd64-xen.tar.bz2.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-yiiframework-14.0-jessie-amd64-xen.tar.bz2 70e6db3b83e308fb77a66ddba0c3f212 $ sha1sum turnkey-yiiframework-14.0-jessie-amd64-xen.tar.bz2 b8739e35855cbfda074b103c9942789865b11c2a -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMdiDAAoJEIXCXpWhbrlN24kIAN4VVhNeaWCmFC/ASqymHONO w9rNIL0kF1wXphwy7roIcJ0NIc3AY9obksHJQWm/oJXKyzeOdlZgwF03TQJqv7tt gtd9CLSBxDrd7oteVsKZ+aeOfnW0dlAh3HqK0bPmPlHyaOzbeqlwSTG/WIoVVe/Y bFe/6Gt2p+iazdliJ1JtC/rusDhTOmAuSMzFldVil0gzIIfkSArvUQA6W2yW/Vkv Fp9/pGLfM2B0ogdhkRWOqukgwTleAcz3d1gc6V/sui7HdwRW3ICjIB7FusjsBGoF Y9BSmb/VH+CYSFlNPn4BG8U+QJrymm2y+3Kadh3+q7uLsuKWiVGWp+4AsYsFiIY= =GNES -----END PGP SIGNATURE-----