-----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-wordpress-14.1-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-wordpress-14.1-jessie-amd64.iso 4fd533bfe7657e4294356649449bf2a9 $ sha1sum turnkey-wordpress-14.1-jessie-amd64.iso 988447e95100c1c53c6825853174d9fea6f16bf5 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXCkP1AAoJEIXCXpWhbrlNGKQIAM4M2Gl1gcVmnosjbz7hKzFz nsNG0dd9RkPhGT0jkpaP0IF9IKLkDedy4vo8B4vSMNdquS55+HgPV0QMvuJAH8xj WToIPKFNL1zX/wU9wC+3ikBD1+WIjDvpCBLGbVYGApxvvxPKdUMxZxWT7aUmkx6m T3X6yPNo2xRIZoIoBjwXEqWSDoH9QfSdxFmSIDrYh724IZxDUf/yhF+SCDFw3MZY nXZ8Ds0M/85f5pqVM8ZlIs7fr3DoTSqEZwwxMKUiWDIdNQMw+FpsH25Ni/7BzLVd bMyt4VFIFt+Uc4mbgeQ76wrnsKaT/urzv18fR/bDMMQ8tw3fP/mCjzF/J+/EVkI= =Lb7M -----END PGP SIGNATURE-----