-----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.ova.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.ova c2c4db75bd591521fc8344589c501a8b $ sha1sum turnkey-nginx-php-fastcgi-14.1-jessie-amd64.ova eff45bdc56aa4214eef1feb73bcbe936d80e241d -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn2AAoJEIXCXpWhbrlNzakH/AjIpJAwODLvzMJUUO312a+P El6h+E9X9FO2QuS32YfYHc3BD1xqpwspP2YhvH/eAZzuHxhwSpwSyE6jOuJSOJ94 iCpIDf3Oof7Qei4WZ5ssxH5tlwH7vTIrkJGrLw8j32D+LxTqMTFr6fIOMn4sY1XC jVeqGcCwugPp8oErDOdunjVsZ7ff7MR3fXPtAGU8Unc7u5gPnrkcTryE096LKCqh uMHFPednLw8x3h4TM44iEcm7OR31aNm7LWlKu42KKUPEOT5Z+VIW2H6NszlLY1x3 UPp12uBHFdwAnPWbAElcw2imcilVEsaxxqYQsFlAlAL9QUIwtNpyypYbP0BTSBI= =mgZm -----END PGP SIGNATURE-----