-----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-nginx-php-fastcgi-14.1-jessie-amd64-vmdk.zip.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-nginx-php-fastcgi-14.1-jessie-amd64-vmdk.zip a4d22aa15ff7982c7cb80942862b0f1a $ sha1sum turnkey-nginx-php-fastcgi-14.1-jessie-amd64-vmdk.zip fce0f48390c949fe74a74042f3d157f47112a8f7 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn2AAoJEIXCXpWhbrlNN8sH+wd2xdqrBU9D44uJCyBtV16j Rs0NyAiALeIqAAU8m53fzY4X9tis1ix2PRfY5RowaKefDozfURuOKTPGudn+ZoBy p0SfQgxHIUvBUVx11Ijtbv7amtFxaIfIYVe/l15NTBNx9bmG+NPGSroPQuvG/fJC PZm/ufMnLLKDUTt1VoPXZS7GAeTLhXCrUXVA91AbZaQ+10WPcQF5Dr9ddTLCcWtO aPPEPb0WTRD0amrgbMqaz4uXVWZErBmNCXlls3oW8P/0N8Mua3TnlgqwK4ET6ywl S5jcsmNXVkwNWJ20AipexduFuk0Dw9ebzKAgiQLVl3yAvYe5Pu/c9J6NZ3bOX00= =OFnM -----END PGP SIGNATURE-----