-----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-tomatocart_14.1-1_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-tomatocart_14.1-1_amd64.ova ebe5fcc2e69dc245b405af7acc1ebe40 $ sha1sum debian-8-turnkey-tomatocart_14.1-1_amd64.ova 5cff95855816b7301118bee25f00aba434046367 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnvAAoJEIXCXpWhbrlNrE8H/3EanYltqI/1NQj3gFEzyhH9 ZIFqFsIOSkeWQ1S3fyDySUNBqw/v0FeOsaN2PGwaokjb8jFgxOV0TMSKHZLq2SOP GC6LPbaLriElC1AdBLT5b4292nmo6TCxqVn8Uq2cgoVLCFLhAylUKkYLhjdiP5Pj 8Sh9t46YcK0uXHwMfYsGSxDJ2oPd1TrQSdbIcnClf1jIGPxOQbinvGC/e6qfeqJL bVS1g8weTmLPMqbmdiLs0oIIm03S8dVkixdm5fsx+xerb2QRU4DNqXJ0a/6eiBcz Sze0ptddCxiVV0e+jamjhQutfHVrPubfD0A9wf0ZCaRqitQmRs54+A0NJ8WyKgQ= =PgDV -----END PGP SIGNATURE-----