-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 To ensure the image has not been corrupted in transmit or tampered with, perform the following two steps to cryptographically verify image integrity: 1. Verify the authenticity of this file by checking that it is signed with our GPG release key: $ curl https://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import $ gpg --list-keys --with-fingerprint release@turnkeylinux.com pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] Key fingerprint = 694C FF26 795A 29BA E07B 4EB5 85C2 5E95 A16E B94D uid Turnkey Linux Release Key $ gpg --verify turnkey-nextcloud-15.2-stretch-amd64-vmdk.zip.hash gpg: Signature made using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key " For extra credit you can validate the key's authenticity at: https://keybase.io/turnkeylinux 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-nextcloud-15.2-stretch-amd64-vmdk.zip a93ff50f99f29f2a6027e91774ffe989f73182a1350198534dd7c066baee40ad turnkey-nextcloud-15.2-stretch-amd64-vmdk.zip $ sha512sum turnkey-nextcloud-15.2-stretch-amd64-vmdk.zip 689a60fec1b9c014e7d39f804118760f91f2e8901e9aad5aaea4c60a8146ecbcdf993045ea64d15345c5b13b9e014701d73755742ee399a263b78df631d6b95d turnkey-nextcloud-15.2-stretch-amd64-vmdk.zip Note, you can compare hashes automatically:: $ sha256sum -c turnkey-nextcloud-15.2-stretch-amd64-vmdk.zip.hash turnkey-nextcloud-15.2-stretch-amd64-vmdk.zip: OK $ sha512sum -c turnkey-nextcloud-15.2-stretch-amd64-vmdk.zip.hash turnkey-nextcloud-15.2-stretch-amd64-vmdk.zip: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAl0THAMACgkQhcJelaFu uU2rWwgAvJV5UfgsB6bGGK7K9pMX3gLUxbJxz+uyjYwbisTOiPLgeqMUWD2gPUY9 vRH0l7ZNHrcfIWn+rXnJ807XWY+vOeuO3Ud5+lYgfZwxJDeYTgxr96vp89JgROj/ NERYuOMHuRZVgsq2hVbO/rl+xmSA8D104m0yyF3pTbd8o0AHr/YSse6ukJSxHCGY 8SfU5sEbiMEINz+2KRKys983qu+G20SiugkWDRsdO32nv/mvB4a7cajND6PJBBih hIv2lQQ0/J6rDb1vaY7fo1kUq/BVp5n6CPPdsxiZoMTZVfhByFdQYEHMacJJAOB/ 9RCTLPiJ+FvZBkl/w92Db7E6x22K8Q== =QAHc -----END PGP SIGNATURE-----