-----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-8-turnkey-mahara_14.2-1_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-8-turnkey-mahara_14.2-1_amd64.tar.gz 9afd5440d98f876f48dd1d38b00d80a8ddfe0a0aa5dd5e5e6798e32303ddbf04 debian-8-turnkey-mahara_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-mahara_14.2-1_amd64.tar.gz 4d9ba2362857c26c3a991733a60225e19ec7a16b232e03d0ab81c80832f71252dd0059afec44964f0992af6ca3343cd0248ffd3207226bdb8d2b139cff23069a debian-8-turnkey-mahara_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-mahara_14.2-1_amd64.tar.gz.hash debian-8-turnkey-mahara_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-mahara_14.2-1_amd64.tar.gz.hash debian-8-turnkey-mahara_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZeIKkAAoJEIXCXpWhbrlNM74IANxFmxY316tNxnO2CTaYKiFy Teely4tEFJLzZZwr4LVBVZzWMsqmCq8PM+t4FVR+JLyomRGoIgL9d9IqmSQB4ry2 XxDtuXWXb4khFspLpwqpCD7tcHMGggz57eGu2XNOCKs1MIFKtBAYV2PcljT+FhHx /8VdUbEl5Unsb20hWxB0TJxigjNkMpeu8gwDfeU8q853oesqIsg3xwQ/oQV6DSNv 4s4CRg1xaBCtmxqj5KybfmD15QBWhV6dMZMCQy0moUsoD3J57uTH+FFvuPM+7qIi uVqqsfpHuLDVfPVRfuUEqbs90pP68yTJFR6RwOsVGDfTUPqxyZPXfnF/b7uV8eY= =qvBq -----END PGP SIGNATURE-----