-----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-codeigniter-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-codeigniter-14.0-jessie-amd64.ova c00d73adc1085330f88d832e1b7595b0 $ sha1sum turnkey-codeigniter-14.0-jessie-amd64.ova 3e12285039a8b3f7701ac5237c490ef220fb1fb1 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdVAAoJEIXCXpWhbrlNnDgIAMpB1odx/vHzk/LVnixnWM9d Le8Am+MXdOt9X48BFPH7bR7+6eKwTSZXUFwPGlRLovzAjvgqBLxEWavgKR6DnfWt r3vzMX5iZDDE8CcleHutzSJ00fES7SIBBhgzGp9Vk0IRQOqmE8Bzkr/HAXxL4jUq VA0jLFXwHWZPIeHTdjaRtJeDDeKYAgPQ0m7YqdiLCKx3thn/qg+s8fsLerz9Auvz DQNAMGGR2Jj45OIeJpzbXK47ay8tEr5r7meJF4vuijv69f/4Ftn3Bn8usfTAkI+i KIJbG3ivv2jLi42/w8GUJmNv35sEchJvT1G2CuUtw5SsNOiPsXe/ui/xhxPc5yQ= =5vQW -----END PGP SIGNATURE-----