-----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-dokuwiki-14.1-jessie-i386.iso.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-dokuwiki-14.1-jessie-i386.iso f2c39b35e9dc0f8982adfe914d55b483 $ sha1sum turnkey-dokuwiki-14.1-jessie-i386.iso 4488886b5b3248cba7253b5874d7726308625e81 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXCkPxAAoJEIXCXpWhbrlNRG8H/j+0PNzILY5klLGw+r52SpRP TXMhJmLJzm98rTpg/Qesy30O1LU1K+shYYGNFXkFYQ1oYE+yy6C0lHPGM0BauCCf 7c3tbUA4C0CRlUnQLOaM6sq1gpbeALuD/ucCGPoATBPzCweu69RKvj5CsWWZIbfS vydD0StynOKee1At4xra+4darLgsXvbm6ZNfoUnBPOWeQTx2lOqet8EXvzx1vRlO SKkX5O+UETtJ1OSXvQlVyVN3UujVESH7DUKlMkWhXvXwyIiQblXr2NSeyWY52zgn W+KsB3vGEZR3CtagDAyEPwEdYR70enecjJ2PHB75Drcz2WSMmsNnWcrFOvi78+g= =mjKc -----END PGP SIGNATURE-----