-----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-tomcat_14.1-1_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-tomcat_14.1-1_amd64.tar.gz e14a73918222b57cd8e727c0ae6dd33a $ sha1sum debian-8-turnkey-tomcat_14.1-1_amd64.tar.gz 1f5fdab2740a3d81b0a248a4af26754e96a7fbb1 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnvAAoJEIXCXpWhbrlNmzMH/ie6sHHGdnqCY/v89fQVKIFY wNeNA6FdvuTA4GTJBF877i7kTDwe67C6ratBSG1o0pz/N6SlxmiRrFmIm8uH1XLy qUqlzzBP8V0wj/saNYxe/MAfCGFUtxQHnpYnQ9xoAFIOH5cyi6CeGoQlCE2TNfF9 YwkFc1qXtEkRcI9TXLa3vwx+6PTVAsBe32IbodIsEQXSBzKtCmAZP7rc7WoSBmRK dXLC6uPS82yAELgcIF5YD+LH0HgJ0biOe/0faKXzyvfOtYQw8DdActNB6JHC8ZFU 84Xnu1+ZfKrTOPJg3zO5un5LxBaona+GrTOXrKvaq4rwLZlxS9iywlm6Ww/2il8= =xioG -----END PGP SIGNATURE-----