-----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-processmaker_14.0-1_amd64.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 debian-8-turnkey-processmaker_14.0-1_amd64.tar.gz d070a755400ad36fad8ae56fc6acf6a6 $ sha1sum debian-8-turnkey-processmaker_14.0-1_amd64.tar.gz 9f455c0911acec161d607f470c334fb2f4c325fb -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxVAAoJEIXCXpWhbrlN1L0H+wQRemqNNEIjQ8MbAir9Joil fgRdsDdB9nYFRDYfwZBkrE8I9smN0Y/+IT3FkETA7WWc7XubYvvme1RvrqXBCuve C/tct2b74y07h9rJIHx5duX1qVEvLmPg8FbGjye5aAVw3g6tP2Klt1TotOgeKlab vrhBgqm+agr/g81Ho2S3O1e0lHY2vwZpVz5Z6O1F4vFg++WEgTCWAVpnIrO7RI7r w08/E2GZ4sQxpCtYLuMUVkz8qcWCUtWiMOZAJONZC/U9ixpE4n5Wv6OMfxEs0hNg BPhZt2am0RBRkWCy+DzpOOv2iEpvOkfQkazWkD7ay/cWGvT9Mq2JimXnrspe4OA= =PTPt -----END PGP SIGNATURE-----