-----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-14.0-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-14.0-jessie-amd64.ova bad3d14d48673c2783e76268666ff80a $ sha1sum turnkey-nginx-php-fastcgi-14.0-jessie-amd64.ova f0b9269a82e47b4ad9744c8cd915c78e0a3ec326 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdXAAoJEIXCXpWhbrlNofYH/3bH7HxnGN72DYblnBtKvmUR kK5fYTKepTSArJPosIhJtIqGNrhHOBsKvRjaLsOjW+lMWpx1sM2GskDt3IhLNrnK Bvv6WZBS6XYBKWDdA4AD4yHHIfmA9sryl/koam6CTkGPd8tImkYA2pmAmLe7Aq20 hag5U1SEU/wokhx/PPQEB8V5+CsyuTmByS6+gwE4seV+PgCSjsI8RD7X06DI+ill NAH0zxbq+2j9D5OHtuJIvAgdkieibO8jSa9qj1euZSdBuYx9xKCbVCoounx7Mf5Q 0c7dUWl6CvQRxneKxuampfQOtUkIYsndq6vzfhfbSRPrZdWrHBs1Iyrm+i/DvAg= =Ij0i -----END PGP SIGNATURE-----