-----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-processmaker-14.1-jessie-amd64-openstack.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 turnkey-processmaker-14.1-jessie-amd64-openstack.tar.gz 661f65a53a54d5fb9ad52c0334b49fac $ sha1sum turnkey-processmaker-14.1-jessie-amd64-openstack.tar.gz 7c3ecafbb93636ea159da67f337e44f75b0889ec -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn4AAoJEIXCXpWhbrlNnyMIAIx73MenQm5HXU7UcB3DxvmY hal4788Hi6wENGiAYLiGmJqPfEIlGu3dvgYayH9+MTt6iOhM2G8uWMu7f0GaPldA rAJgxhR2GG+m32TAk/7xj+XNDIVo0YGAqnW9ItOgtPWq6DAFbb2VM8iOwty8WdOE vTNtr3Dv/GoZEKtg3SyyEpK2JkLvQR2edrU2Kb4CSYhcplTzI6tupygLZst7+61P hhaIgFD8g/6vJbjQ8sffREH8LXt6NBAfSc1SfGHYa5ygChX6YH944qa7+y6U+ZEz X2JmB0igHRI38EnUQCX+Q/4fmOkFw0N2U3H1c9sX/DRACs3g1c9lDd0Ttq8QRmQ= =ggbH -----END PGP SIGNATURE-----