-----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-ezplatform-14.2-jessie-amd64.iso.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-ezplatform-14.2-jessie-amd64.iso 4c13dae11d83c62a1c3ac2afcf7b259a4b1c6cf44e59ca4e72c908b39d8e4c24 turnkey-ezplatform-14.2-jessie-amd64.iso $ sha512sum turnkey-ezplatform-14.2-jessie-amd64.iso ec7b961dab150fb0b36065f4435db3d93374a33a2b0cb1ab695e709b8d545b437f630e682b1803f16342158b2f329fb4f13c56bc608da299ddea1a4bee6d21a1 turnkey-ezplatform-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-ezplatform-14.2-jessie-amd64.iso.hash turnkey-ezplatform-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-ezplatform-14.2-jessie-amd64.iso.hash turnkey-ezplatform-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZiFmMAAoJEIXCXpWhbrlNVd4IAKyLS4zZyrz5bDrfSDi4yN9S yXfJMjt5TXdbKdxjJeGp+cfmj3hh0ci2e8tS/DpD2W4Ol9u/KVsO7ZCPZaroifPu h/IS1mKgS2Ilm/pEmsZH7nuqoTp0MuEWUZPNBlC52BkK/+qC2AWZo4k+m9gBLPxb j+o9gxzQJTrQdF6l3mSnkuZ5oxENZ+aYk2sMrMeqL8T8WdUVD82hSlExcr3++cX9 9G7da2v49VpbnvT6uCCJWzo0doDAqMzLVVjh6PLAUJPLKhoea3W+d/ZHVpVdY5d6 J0AJZIyzCqE2dlao3TRSz1Q5v+zkG8gnU/OBdiEkBenPvSZgNgnUjTCfCR5H3oQ= =Q6Sy -----END PGP SIGNATURE-----