-----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-mediawiki-14.0-jessie-amd64.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-mediawiki-14.0-jessie-amd64.iso 1d68f9bd37c9c2efafc1cca62413c582 $ sha1sum turnkey-mediawiki-14.0-jessie-amd64.iso 40d998af79a007cf832370a1ac171f6bbc12a1aa -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJV7BrpAAoJEIXCXpWhbrlNnqQIAM2sJXLgBCTrTWMDA4vkFwWO nfmg2dWws3M1X3WsgG5NQiafpcf5y50niUacGrs/Qwcx3rS9SPQDPfLUbpQPzovz OjDL9jG2CNsKHBJasuHGSofpbtrKUhSv9BydGlVr6VRDK1StmTEz9rleBHBYMPTc Ts9symR4LtlnM2eNKPK8hJ8/3HPU2PI2C84gNqP/msfv9iDbWFIfOUdVbB1wkhlh F8Nt0bgRZYtd1uQXvG95Ryo4tCb2Ky7Xl2PmYd6CYcPVMRaBn8jtHaOor/IKIFTz PCkmOH6RtfdBO4L7kxuu3lNTEZWT36kYYK+EDTkgXrcYGaooJXqR2L/kkT2SICA= =vpzE -----END PGP SIGNATURE-----