-----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-silverstripe_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-silverstripe_14.2-1_amd64.tar.gz 5bbe0172c34c47baf5148bf7bae007d7b95867f7b483be679bdebb098f24450e debian-8-turnkey-silverstripe_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-silverstripe_14.2-1_amd64.tar.gz cffb9a70b5e4dcada25a31967a39edfeef768bbcdcb196d575abd312c30dff3c9ff1da9a5bcf1fffc5b42459572e0bf5ec2fac15f8506c8d8b1af6f0ab0bfa77 debian-8-turnkey-silverstripe_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-silverstripe_14.2-1_amd64.tar.gz.hash debian-8-turnkey-silverstripe_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-silverstripe_14.2-1_amd64.tar.gz.hash debian-8-turnkey-silverstripe_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZBxkuAAoJEIXCXpWhbrlN3EoH/jLjUPpl47VZyAUHWuZYeA3j Llxo97GcoLcM2NPLwGNGErHCnl/dB96aDwzIgYtIZdfA8cJ5Y9qujpbvYMcADX8h ItmOocHDCnVH75FPXjZA5c1+pgtElmy123lD+MBtxKOf+X1DRDf0V3ThLF7fBAQu PdtQWz6LmHbnfd5pyeXhikaZrQsL5QV0n6awN9n2cqsbFHIIKBdDGsVkLYGevKfN UY7Au/1ghfVY1YS4XDhyX1i9XSWdCd1/7fajtRTmAv/dxUfrCgJ2S56mrpWq4owp GPSjoo7X3dbPGNncFB4vXPys3PVMY6yyInY8qqktMBd2r7vIkpgO1xv1hCZha8o= =RUxP -----END PGP SIGNATURE-----