-----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-ghost-15.2-stretch-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-ghost-15.2-stretch-amd64.iso 380915375148dabc5f754eeb40264398a3e79959c526e77c4a934003d52e5b6e turnkey-ghost-15.2-stretch-amd64.iso $ sha512sum turnkey-ghost-15.2-stretch-amd64.iso 2c22e09af2a8acb020fc403c6b0103d7b320a5be3947234f5deadfe97afcbd2751322add29bd69978be797c30bf56c5c52f7f01e625b9b7d11ed79288b61016f turnkey-ghost-15.2-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-ghost-15.2-stretch-amd64.iso.hash turnkey-ghost-15.2-stretch-amd64.iso: OK $ sha512sum -c turnkey-ghost-15.2-stretch-amd64.iso.hash turnkey-ghost-15.2-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/piAACgkQhcJelaFu uU1jqQgA4fgZsiNsJQsTjAkOShxFc8WRMGDP1Hv9DDx+mKw9yRNfMj8tk5in2won FhKBY39NxEdBamP1TzMZJvH12ScsW3SI9sh3mSjTHvn/UBCY7Bj+DoHfhspxcEa4 RNHP8a8MBwETgjyV2ZaPrnn9dmXk7sVdBnQvwPG4ejjmExVX1ITeMUhYYksd+pmf 8I8n7jwcX3/8kSW5mqjggYA7Mh3J79bNKGSMb03m286OwIKP47JRoOfHLw4WJto7 YU2NJOqK+jiOG+g9xvm+KcCUVQ+xfCcR/P4V6r19Lc2VCSR2mOieBVsbkBGEhmtl EuGS26ilWNCIn1R88usgEIcISGLaFA== =bVww -----END PGP SIGNATURE-----