-----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-sugarcrm-14.1-jessie-amd64-xen.tar.bz2.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-sugarcrm-14.1-jessie-amd64-xen.tar.bz2 120fd9d4ef0807b1aa473e8ab5758be2 $ sha1sum turnkey-sugarcrm-14.1-jessie-amd64-xen.tar.bz2 dd011b2621a29dcc4b48fc7db1e64b9a81bbe547 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn6AAoJEIXCXpWhbrlN768IANhgwUVeYsT4MR5gyRnEn4XU 4OYMiJcwXJ9zNSTRtJa9FnhBIpts2pDVV/lfFXrxKnKBZKupzjSPmd9vQc9aKa3X qKAnVZ4b2cYRyv7BGHK44m5ZiDqqiZXjH7ghHUSGZ9i4lvO/5j13oUTORH/upBFb gyGY8M04wcUS82raE+Wcf9ApKfVLPEvWcFDCF4Ix4SSVvhh4FbvUzGn1qUEufZdS tCtCCbnygLfDoY9NN3novRFg6VLpOufb/hSbzTR2qEuy3UgkVPOBKbXb7eAqDFpq dOWb+KrO5cIR9K+P9br8wwQESQQc9m21MAZBJpMGAD2TldejtStkPEUsTWpvzR4= =nzcR -----END PGP SIGNATURE-----