-----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 debian-9-turnkey-elgg_15.0-1_amd64.tar.gz.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 debian-9-turnkey-elgg_15.0-1_amd64.tar.gz 664a01d38a318ab4086c0d8303db4c4b6e847c82879f67c856438fb68ede5b0d debian-9-turnkey-elgg_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-elgg_15.0-1_amd64.tar.gz bb6f411754fbcf16336c16838cc6b1b0a5d1ae6bc2e3f4b4d9f5b429b9b651838812300e332f5fbabd36a0955e1c239263af5f3e458f6b78508c3cbafad1ee8b debian-9-turnkey-elgg_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-elgg_15.0-1_amd64.tar.gz.hash debian-9-turnkey-elgg_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-elgg_15.0-1_amd64.tar.gz.hash debian-9-turnkey-elgg_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITOkACgkQhcJelaFu uU0qzwf/YfSNkBGTGwsmNAjsEji4ON9rnuOCJCPflUh2MeAvFtwDiFBl7/lOE/LN mUkvT5kzphjzIC/Wg/c4uim+Pm2AgXNcnqLagTnEKA/catQ/jw5P8GwrFIXA0UMp tzy6/FAL+VibHO8WDYjCNvSx0cB9L1Rw/Qv/Klfc6pjrZRdQvf2OhswaCUppoZof IF2b6OcnMDMml8/iWnagjU/4eeVLf7aQQZ2uTieE4YmHj802VeHqYIxLMzYPg5M+ V7LgC/4GNVw1YJBr69ICZgAPZTSoa06W+ksi9bDVoe75iuIvZNdGPhKwfnGPMx71 gYQClT6x4VP5z3cNMv38L39OfFXi4w== =NxOz -----END PGP SIGNATURE-----