-----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 turnkey-limesurvey-16.0-buster-amd64.iso.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 turnkey-limesurvey-16.0-buster-amd64.iso 420b7499c4d51830fb5462d493089b37b45100430af890ebb163924d33e18b53 turnkey-limesurvey-16.0-buster-amd64.iso $ sha512sum turnkey-limesurvey-16.0-buster-amd64.iso 223e76f3d068d1fc3a48c773000f42d13f369a0cef949824f67ba92eef998922ed1354bd102e3c07caa004bb9df7cf50db82393e9ea5c6afd7e6f57c2771afab turnkey-limesurvey-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-limesurvey-16.0-buster-amd64.iso.hash turnkey-limesurvey-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-limesurvey-16.0-buster-amd64.iso.hash turnkey-limesurvey-16.0-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl7BD88ACgkQrF6wBJPl vBx3mRAApVC6GUbJFVi4cmK5n3sKiXQ5P/Er1iwGg+GC2lVRS1AIwD4cVVnzcQx9 tYDhcrg0ifBZWJZDLU86e+h/PaUbyqr7prgFzOw94jg286eOi/infWHQpGXL11oF BChnw+maUP0sQx5Z8rB+CjsdLpOAvUzRKvYOSmEptc7mGqzTOIPYuJE1oTUmyJcz 9UAQPyFdnRMgfkoJPoBkL4jj85PyqkVyWKd3eXUxybtBiPI5exSHIjlxLjnxMHYj hg3pAqm6FezkeisCkbzAFmwWv084wO8+CLv5FsVMaQqWPTARCzP8eko9QZES9vQ2 Qqpvt0CBCvQdjkRpPE6CgcODYoinIrOpSLDvpDAedWN40L/BKnqbWXxHf05KX66o 6H9wrTggjOr8UdUQ1OmvJAnaUEZ9+SCHN8JmFmiu8nONnG5qplyf97m2Blp3ORcL vjH+IllgxOFitum6wWzCKp5t1N8U/0HT0sdJMCTDJuP2Fq6z/P/kaLc3c+iE6aGI n1DtG3Nn1gw2io5IAtA7v/FNsOPPgS6y5523DBHcHhft66ERVfGESI1nPbf9yhO9 EbTfguJNjjh1xTwZL2JXb070Oj2wu8KOZPq2Nt92dSsU3sFKAZ2Eun73eIpcErv9 5u6Leew1D1EECDWIwj0NMJULGfo7EZLHjX1Q8md3AXTLfBJ0paI= =YEz5 -----END PGP SIGNATURE-----