-----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_16.1-1_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-espocrm_16.1-1_amd64.tar.gz a757535c851304869618ddaaaf13d96a678b446d24015a8c3f95a53ce88e61e0 debian-10-turnkey-espocrm_16.1-1_amd64.tar.gz $ sha512sum debian-10-turnkey-espocrm_16.1-1_amd64.tar.gz 73d1c7bc2518e638760f016bfb7e0abce796d27a470a5aa38091e209e62130b201ee2f51529e92df4e4e908bcf81bb45e1c0bbb115c7ebc50b3152589cb93449 debian-10-turnkey-espocrm_16.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-espocrm_16.1-1_amd64.tar.gz.hash debian-10-turnkey-espocrm_16.1-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-espocrm_16.1-1_amd64.tar.gz.hash debian-10-turnkey-espocrm_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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmA7b48ACgkQrF6wBJPl vBzgVxAAvWI51hS+5BeVbscgjPMitPiSlTVq773QCPJRIwpu4v5xp/5IkfkPZ/3Z y6yiUkkjKuNwfVnnYxL82Vclwaml8YtTzDVc8YMfNzbE0MccUq3lObeQSkt+YKxX I/tqVUhn8QbckYJe5UKppGp+j1wNi8aw6hD/nGxgASHqZlKjCRe12qAkOjpj6Af3 oeX2I6gQJqqvjVn/T90kFMYMh7sYe8JOxvX6EHLJVoHtX4n7OeeQJiJS9Z6OFtKW opawH6Jma8FDS5adj33f56w2qfxw0LGet1nBnWAZPOk9AUp0kL/NoGk2we2HOQ2J id3pfGl9ERE6ht6tNyPaenxqCNXqMUMs6W3igpJYNR+3/Sr8jlQFdxCiCUZANdNJ qY3AHJaMI8TomLNLyOyWoV+nTYQfehRvG2r1gCtMprty/nKGU4fxaG6SxBIrnAbT BiRz0dEUWl4Wpp8DAGRQJdHqCI/s1Wwlk6oRPRkGuMAZ8OHJNfjHUrjyqzVxsYLv cqSC3nCDijdyk0tdyAP/HWmLbEKh+mXsupm8rXJmmuY7/fud+aibcOR4ZvSB3ILJ Ikbkzv0SRVTfrtP5o7kgqhnmQuxN+DZeR2JXZ5N/mENpR5+6cwO24sIuS9L6FKGt VwSfABnoIGZ1j9b9B+srEnSV7/jZB2AOIEh+oV8YtR9hw7IcPEk= =W3MF -----END PGP SIGNATURE-----