-----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-mambo-14.1-jessie-amd64-vmdk.zip.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-mambo-14.1-jessie-amd64-vmdk.zip 36a813af2cf3c78a3d561aecca6556f2 $ sha1sum turnkey-mambo-14.1-jessie-amd64-vmdk.zip 6939e77798a759b19fee1e83b8bce3588e9dc5bc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn1AAoJEIXCXpWhbrlNpnwH/03Dvv1/JRXvEJYMLUqCnKwd /lKGtBuKkl5mUp3SjQ1mt289mwEzNDbYBI7SwkQX+WxShJX5ne5JCGlIRPZbBCP7 4+BhR1OZV0d4psF6FjXwo0ITQaED417u+3TyJdCsr1n1/8BZhOnnt4ZcnSC2TpK1 glzXuFPevzQabRe+P3ZQZROjYZVgF9meP/m4eWB/lVdle0F0776Mx2HUVtXHJjFq MK+PE7l3zDFVensGrOcBU4WwHCErk4kZBDZ9hE/2ASWAoNMuQGueiWOdSC1M02bS Dm5rYwa42qVU3Yf7366RCcTVQbO/jSansff+7Hd6a0vklDyc8z8OLt/obiuOpsQ= =BG4j -----END PGP SIGNATURE-----