-----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-suitecrm_14.0-1_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-suitecrm_14.0-1_amd64.tar.gz ba7b5121970ad7aa92c9f593dc5dd152 $ sha1sum debian-8-turnkey-suitecrm_14.0-1_amd64.tar.gz 45ebc3463873ea03e71e176c4eed50cfb51d525b -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxWAAoJEIXCXpWhbrlNB4MIAKLh/bxc5mhvcb1dfmMn89SE JyTEzUFWZ22I8uL1b2YwohysFaU78D5tSxuzlBHlUGb8VeDq+aGIRvEl1Lh4Ru51 EvQATy4B2S/+4Skq5oNwHm76fuJroj68IKjRhDeB4uUqrFONAYaC6ECVu5KLnqMk mEBoeb1qzHAY0HjI5uyo5NWrxUOq4Vb9hGjI44rryqv9mr4giYCVXryYOV2HIJ6z sr+yICt38L9SBUm+tVWhWursR8OGQ3ZWZXVio8ZcGduTEo+V3cIm/y/xh6K4/k1Q W1xzHsSFfxzJFer3KMfHhE/OmRsOWEjJYOXmWlNxBFFx2+u/Ek7o+eMa9AZ9j+g= =m+L5 -----END PGP SIGNATURE-----