-----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-icescrum-14.0-jessie-amd64-vmdk.zip.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-icescrum-14.0-jessie-amd64-vmdk.zip 50a20d21712944581fe79a00f0aa7445 $ sha1sum turnkey-icescrum-14.0-jessie-amd64-vmdk.zip 1ae00eb06eb9dd53f37ac019502f32584c31ec22 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdWAAoJEIXCXpWhbrlNct0H/1MBLmYlfsPoYhp5uGWfDTau LcTVUByODtuyrcTvS9GUZ5OX1pgB6Fpe1ff6EB2RDXtVCdTsbtBNx0/4nnH5Xlsf hYxDSgFucNC94M9WfusA1p22vEEAqe45qIb3L//1VxC/euxWpVrvcxvtOpjJN1ev 4yGwTVO9HVQPDy07nW9MHk3CacTB2V+TYQQuOvJxDUbVEQRI6+pXN/vk+DZFgJ8+ yn/Fuuxruj7GofXOuo9XIMjFaf1Ibfre3a8MQViaVHUFkvgd7eUnN/PheN2VW84n F571kDtzdlELVq6UXQVYqTRDY7x+MES9OoRfSt/7a0GWJ6hJNsTMT5TkUvigfBE= =Sds+ -----END PGP SIGNATURE-----