-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 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://raw.githubusercontent.com/turnkeylinux/common/master/keys/tkl-buster-images.asc | gpg --import $ gpg --list-keys --with-fingerprint release-buster-images@turnkeylinux.org pub rsa4096 2020-02-05 [SC] [expires: 2040-01-31] A8B2 EF42 8781 9B03 D351 6CCA 7623 1C20 425E 9772 uid [ unknown] TurnKey GNU/Linux Buster Images (GPG signing key for TurnKey Linux Buster Images) sub rsa4096 2020-02-05 [S] [expires: 2040-01-31] $ gpg --verify debian-10-turnkey-gnusocial_16.1-1_amd64.tar.gz.hash gpg: Signature made using RSA key ID A8B2EF4287819B03D3516CCA76231C20425E9772 gpg: Good signature from "0" 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum debian-10-turnkey-gnusocial_16.1-1_amd64.tar.gz 42317bbd56d9d52913ec405594781d32a3f9ccee56ef68125a0e58794b3d08b2 debian-10-turnkey-gnusocial_16.1-1_amd64.tar.gz $ sha512sum debian-10-turnkey-gnusocial_16.1-1_amd64.tar.gz 0e9e69d4ed592961c15bb9f10b436b0123a631d655d3b3ff99185ce369503dcea857eb35fe00e2cfb051785f27f180e0445790b9df57083d0ea7c3ecfcfca529 debian-10-turnkey-gnusocial_16.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-gnusocial_16.1-1_amd64.tar.gz.hash debian-10-turnkey-gnusocial_16.1-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-gnusocial_16.1-1_amd64.tar.gz.hash debian-10-turnkey-gnusocial_16.1-1_amd64.tar.gz: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmA7b5AACgkQrF6wBJPl vBwhvw/+OvRRsosfQ2FSITuzYtzfR+SmxWP+5ax6mpkBIn9s4kDtmgVIzh44CeEZ zZW4xI2OIjpoFSDXFBVug6xFAhvjpMLBWIlOOBZXNJbPL7n6Z8S1OyUqK6sfjQja xWXrRAtbIUh0+yGUJxw4ehwD7oL1XeZY597PvuLaSheyC3/Lgr33PJy8AeqsXpPl oeKR7d4LAXYVRa5s2SDme8e7X8Q2cMgKC9R0uKmTTMyKrlEZWqfzoT3frAM/6ZM8 y07t4DHcccdIDNwSdrG9PBa9GkQojLitTS8TxLG3evfzTG9Np6k+FBeJIG3QOWaM 2Qddxgl8MGu6G78xt5SIAKrPrq8YXwKbr/9do0g9Sb/k/uUd7tyZn7MoKUGfPlRK Dz0GVn10STLRaMus1NTNH+wawjypgUb8fLNje31dyJ0LZIWcM072KMxpes56fBt5 jR77eRfEXrdcfIeqj29BIoscoASq/mMJKwwB9UhDXyKBM3RtXK0VesT/pUaTE9Fb 3bvJTBanHA00bo6SbHfv/YJDJ3owyLWcGsLLY0qNcDzkBbdv0InLfc9iUQIFOe6+ ool3fAiVoNrGpqe1MZQeyAlvX4r8pabgtM4yZplosu6dWcweofef7ijdBeKen5jn fs7wn+t8VRfIB03MrGU/R1eoX41yO/Iuv46SYA+N2MCRbJBx4g4= =SDIn -----END PGP SIGNATURE-----