-----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-cakephp-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-cakephp-14.1-jessie-amd64.ova 613de733d97c0da319cc4342dc345f5d $ sha1sum turnkey-cakephp-14.1-jessie-amd64.ova 8badbf105279df79e569e78791c4391407890577 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnwAAoJEIXCXpWhbrlNXuoIAJy35soaCwXpGgNgX0MuQMiE MdUAbOMBdL0jDdi+m84IaG5ZomqeMtAza4H7D4EaFABPKPtOuASccD2xWQdVV1Pl kjU2f3irAxIX+hD6P+fY49HnCkHGq0+/clbhtaHPqKTNjMZcU4FIHkI2Ybf8JSJg P1DGje5G3lAlVb5+9lahqcZAKhf1djYu0Z8v00t3GYcva9yXXt078gshQwrqwXO5 0Z5mvdDgcey6HVDNElEQ0Acz9QMhOoxRIO0t5Jbkpj+g0y2R66pOXhdliGOaGgLv ju3NImTexNz8K+P2YHipOC3Difrl1ak3f7P3TXMZxxw808huD8+hI4dV7Q8x0CU= =5O77 -----END PGP SIGNATURE-----