-----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-moodle-14.2-jessie-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-moodle-14.2-jessie-amd64-vmdk.zip 1ec1b513055812eee1299f4ea6df0779cc8cb76207f0b40f1908afe5e1a4d95f turnkey-moodle-14.2-jessie-amd64-vmdk.zip $ sha512sum turnkey-moodle-14.2-jessie-amd64-vmdk.zip d4e63d34964bc637d85a27b1898f6b2a56355019a30ca29005e48470bed1f095187ddb772d44ed98edb7fa96f13ac8a9a6a18e1092cd38070c5ad7df270f3866 turnkey-moodle-14.2-jessie-amd64-vmdk.zip Note, you can compare hashes automatically:: $ sha256sum -c turnkey-moodle-14.2-jessie-amd64-vmdk.zip.hash turnkey-moodle-14.2-jessie-amd64-vmdk.zip: OK $ sha512sum -c turnkey-moodle-14.2-jessie-amd64-vmdk.zip.hash turnkey-moodle-14.2-jessie-amd64-vmdk.zip: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZNo92AAoJEIXCXpWhbrlNWLcH/2uz71ukOHvHvvd9WniIgUnJ h6bHFeE5L5xcWmP3ILyNKjwhbrxA6KElMxA7aWqAdohF4bVNa4gJTdLLqEmp1mlE KPtgfW+2GaG9iRcKSUM2CGVl18rnShSHRWV60DbefRY6AbFDZHPNwYXztA1ow3JM +fffFGg15h/DziPfpguufYNPDwO0aOp+mumrIQlkOAR6TkqcLTfLeZVw2XHpdMrd ik/97NDci24hQoCkTRcUvXI8uGNDXR2Hadke02gjPqf6ksae3bMN+Cg5uUJAP/qF J0PHu8+Y31FEuwtLDjXa5BahXIwkfQjtl1XaIgJroXUovHIMG07sVQMfdZzB3pM= =eUUZ -----END PGP SIGNATURE-----