-----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-redmine-14.1-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-redmine-14.1-jessie-amd64-vmdk.zip 03caa60406355d38398b5dfab3109e94 $ sha1sum turnkey-redmine-14.1-jessie-amd64-vmdk.zip 1a8d061542ef33312bdc5ffc75ce91c1dcbe1ec8 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn5AAoJEIXCXpWhbrlN6HQIALRKjPa3jPz7MVvApmOGFCtQ iwi8K4kOTb1rBbCDlr8EQRKBHvFUMDpgyahIXR6xr4nemnTNrcKn6enAC/kVGAJJ vAjBFsaqVaa1YAKRPYFESAQdKEQzzB0Q829trku5AbJrRQ4hjyDPoUcRFO61KX9z 06f4v8DUA30vXhEkWsJbfricEYoYiBVWFybbmp1bBsrcIS+uVfGXoqH+Z3Eu4uH2 J/CBdBANeAF3bL2SMZ9bvpLG/JCTBhi0Eltnv07OgL+fZp3Sar6i4XzW8o0B/npH +Y1n038rdxB1bohW2Zl9X6Mi5LsKlp1VfOi0ypqrv6xonhzZs/DN+kJtZehd2jA= =Kwkv -----END PGP SIGNATURE-----