-----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-redmine_14.0-1_amd64.ova.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-redmine_14.0-1_amd64.ova 83c41d306e1f0666c855dc32cdc1ce1b $ sha1sum debian-8-turnkey-redmine_14.0-1_amd64.ova a326943a959f6225445fd9b1161c51d428de5181 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWTDfEAAoJEIXCXpWhbrlNpPIIAOTLtp5rEEvVm8AWbQRJVEtC 8dUcGOsvMrQgZGNP9LTK/fLkU54VIfHMIJi89BpkxkZNvDv3xXJ9Hoa4Yy/+M0hu JXHefTMSieAwuggyZMMROOVqfwPBInVWEcxOQOnuPi60gRmwIlhN9bjMSGU5IGyk PKCczLCmyrqP+tltuUVDM1WxAz6Tpi3VUFv87omJ4K9aeknhH/00/J7BzmcZkrKn yRAxdSLUqmkLVx3gKMuEdORRoHCq98qfwV0GUocHPQdWrSL5Zy+6kduLZvcpRdQR W4AIzBAFWDXgUHH52jhO2Cc4jMvh/aqPYVz9bXoyfb3GnXozgA7+o0pywB1Bw7M= =0Jl1 -----END PGP SIGNATURE-----