-----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 debian-8-turnkey-ushahidi_14.1-1_amd64.tar.gz.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 debian-8-turnkey-ushahidi_14.1-1_amd64.tar.gz fb805a68f117caed4751a6b30c33b4cc $ sha1sum debian-8-turnkey-ushahidi_14.1-1_amd64.tar.gz 843b1f96abc9051971f722311843c67dcc65f602 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnvAAoJEIXCXpWhbrlNB6AIAJnZwvCbw1As0QWpxgmO7HDL J6JUrvVUD5ajOkm2/8r8raTAlPgOQOvAe2LnBZNg83TQjdUXUavuEFYepwYY2qg7 xVpr7ryJzGVkTNiKs7L/OnDzN4tZ0LmRaZFhRb2u8w4eRWoq9JVR7LfBeqtTTnRz l8u0v0xtlOooEZUISMGaba8vvYxMsKjY5M+R67eSexgebiEYebDsEnRfvVrU70N3 Uo0BW6q0IVWfUzNpjb7s5QNPhmXZKB3ecd9UbZbnGNiyzXFT4Ax510vR7zAYezvv 8Rw9cpE202Se+wWeT9wPfdDOnAEPlrd9BIMj7owauCcipcETEu/infPdBP9w4K8= =4PyA -----END PGP SIGNATURE-----