-----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-espocrm_16.0-1_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-espocrm_16.0-1_amd64.tar.gz b28a62fb6ee47d681e7063b75069045b219e1ab1751afa5372a9d4f13229a369 debian-10-turnkey-espocrm_16.0-1_amd64.tar.gz $ sha512sum debian-10-turnkey-espocrm_16.0-1_amd64.tar.gz a8def48ce067dc3e5db9cad81c0e173956d0eda6000bcaa9eb50b839057935fa0f8c3fb04babc162181b38218a96cca31195ef7b82e98ff7410b3f859839f45e debian-10-turnkey-espocrm_16.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-espocrm_16.0-1_amd64.tar.gz.hash debian-10-turnkey-espocrm_16.0-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-espocrm_16.0-1_amd64.tar.gz.hash debian-10-turnkey-espocrm_16.0-1_amd64.tar.gz: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl66q5YACgkQrF6wBJPl vBwP5xAA0Scetxtw5ICqAxqhvt6EEzJTm0mimVIQDeSGtHSrObZ80/ocxK0CUSwl NpVFBrvrQoO/KOSy+kKnxHpjPR94MVD6pFAs0fWfdGsXQFG3gmINJnyK9LY82Vj8 XXwFpEKy2v6Is9u+mmJ3mbK60f0pGPF8IEUyK7pj3fq5Y3REyVRKCn2TnVFd+CDB Mj17cB65UTbi9TJbutbtZJn8ZS5JskqMkbG+JXgYHXnXXC964H9v7ySfPYrD/wt6 Y2oKuqFE7+ku3eU7a1mXSbJNI7NwZ2IcIDjPn9AwS+EhfyXM8YH5w637W/StKdWM sNlMu57WGnXbsKThLyVyz731xQ4jwd2W1RGxC/XcBsjHHTcFvwmMgXIJotrO+4b9 FnoBrHYsmM2gfj0Qdox6L9r0NfNNif7ryVLn+9DI3ka0Z6osy0INyKeVX1+ZBGRq o8x17yZ0pTiM02wJGZEqQjP1F6+nhFk7060GibDfVqB2bCrIxc7y1Bem4BdzGHiG 7ghVzkBoTwOZhK/T5EMJ9/gdFP6D21g0G/irPbVl71MFBCUdHlfpSCGYh2i3hAK7 f33Qyyu1+rJvvg79BHIXHgL6nKcUN3pwzea+y0xOFSkP3Psiven3MbWQh1E3DO7F x+ziaUZdIW3jhyP5WUP2MvMZs3+saaoo4pqRnSjrM2Doe5JoE8E= =ynrK -----END PGP SIGNATURE-----