-----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-plone-14.0-jessie-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 turnkey-plone-14.0-jessie-amd64.ova 69f2aaba9e0894fdd6fb0c866716a092 $ sha1sum turnkey-plone-14.0-jessie-amd64.ova 14b9578d394a0b58af194d7818c8611f18ce1db3 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdYAAoJEIXCXpWhbrlNoNUH+gNzxKYcF1R4uJGBnCLr7SQa HANpwUF+eCsfJHgJy99X05Z9L1YBTgDTmonIDR+U2csjTXMV+5V4nXmjnlBRMFYQ vC4GghnlomBz6GVU/729P2di0ALLHrsf3X1e9/AnnVq8TPm2q+KyTo0p7wHLwI9I xznfzUz5uqNVzxWPIpE7t+tDD0c7q1BN4JuBFBY27BZRZYrV1d3dZEjwZoHWXvj6 bRfYhloYYTnN/V53Iigv8VfbQouZySyYISDL6TQFa9cDGUJ4jXUN8vTBK05eE2w4 yl7PFn9QYN4mTLywY/ELX9QbAcWDkE5t8Z4ADwBd9Z1Q33Wa37pRnEg1+v/qrGs= =r16P -----END PGP SIGNATURE-----