-----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-couchdb_14.0-1_amd64.ova.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-couchdb_14.0-1_amd64.ova f72cfdc68858e17b9f4264e543e20c72 $ sha1sum debian-8-turnkey-couchdb_14.0-1_amd64.ova e14ea85646139908daf06c6c98c0a8a0685f5aed -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxRAAoJEIXCXpWhbrlNeFYIALhg8ted9itoXslAwNeHRtl/ wi8N/XnyYUygR4D/Fos3NYrSDem/aJzXsgWRvldjsMK0Z0+NjbfWWXsZ6z/Is/nS r4j9FRx6KWe1dHmMP7HVWYu+yDpbHx6C790L9tGbzqcnWvFu5Uyyjz/RsUbOWT52 DWdmXjtueGZcTao5KX2DPrDCcjfoQduAROHb5ClyQ6Auvo1fG+Q43YlPAccd5FE2 4uXCRr49+A/07bPdSvjS2GgFbH8LQpT2jKU23SZtbIIehMuc0SQLARJDiQ7m7HtA 2qsnoM4kFVEfWSc8uUcYxFjnJKYLG+SLkS3uO2KqFSWZhZm+FKA+69PoiTCG7kA= =YaGP -----END PGP SIGNATURE-----