-----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-zencart-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-zencart-14.1-jessie-amd64-openstack.tar.gz 38e4ac95a3311115c21201a6f1c1a9a2 $ sha1sum turnkey-zencart-14.1-jessie-amd64-openstack.tar.gz 43a9812cf2759683fd30ccc9ac9151e8889e7b26 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn9AAoJEIXCXpWhbrlNSNIH/AuxsaEx2IkFAZodSbt2roq3 YeqaPFgNUY1p9hB4oFi4maSB+gxLzdpaV9ZTHQ14Ngsn0NsWBu/F6e5beCRFcRdd i4CMXaDyIGm/PXrT19nLupLT7Eiidj5+t0dUNsgA9eSDE2fkCvhAxXSB+vu0nlXC Afj8ANdfEvBkMOMka7diU4pbQ7d7xO0ufqs53065L62mZGvAOSyxTNuErIkdKz9o usrjf5nYWRulpa0X61dv4aVxgnEhEWF7uznHCH5i5dkABmU532/5BUMgvk+ERpiS 7g1w5Gy4gxrjN6hmEmuC6XqxyqTVMuZjm3tRkxfkHvUr53VT8vWlf+qsj5JuIm8= =3g1k -----END PGP SIGNATURE-----