-----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-yiiframework-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-yiiframework-16.0-buster-amd64.iso 4a54392de04dccb7e374ac241764a773073ccd2b3696832d222d61ee596b085d turnkey-yiiframework-16.0-buster-amd64.iso $ sha512sum turnkey-yiiframework-16.0-buster-amd64.iso 3f3ae4a3c4530e2cfb2c02de6637aca8e77bcf2819dac629c45df2d5745bfa70bf36f8742ee1d3a49f3165aaefbe10e953974961001819190c85ed0d64afad36 turnkey-yiiframework-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-yiiframework-16.0-buster-amd64.iso.hash turnkey-yiiframework-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-yiiframework-16.0-buster-amd64.iso.hash turnkey-yiiframework-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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl8z2vAACgkQrF6wBJPl vBxh+RAAjolvTa005YGo+cdFkkEnAL/WDlxzuW49swuc7pB7qTqT8yK5bjvMwI5V FjdEL0ukbw03w5ScA12J5LFG1/fdPhecgSCHBsdYGDx0ygZejDBZWka4DY/wGREP xo9dC4j0ryvIRBJWHvxRkmn9dYFXpPTa5S3MD56EMKKNo74CgDaCx3lgShTaSWje 77Q7Q6TjuY3rd7EjBWpKzYy3KEnkJSArBX1xhvBe6kUDT/YShZwhK/UOU66bSxul nGDoJVOi/OtmQgyjzuWC3nKVgma8Fs/bErb+3NUyS2Xi/JLdK3e9CozMssX+RcJw CUfCDSfxRLkb0n7vKQO8XTf5xFZidAy31qaDU3/5gRwLQtoxYuUnvzFlVDzAnhm8 ObmTgYJXr5kjy0g9aYOEUIyfThmr9CqWGCZdKP4dTTLQ3VpSfftJ976Lg2MwGq6u OmNl5YD/sKDhuiQnAEwQFhPUAvZm350DMuxbx4RnNQSTn7y3KysRDpNWCQvcqqmC +sQAi0OpzEg409SRjObPfeeoFTPx4HW7C5RI8aYWKn/kCjtHfrSG3pkyJa72Zn2U WfWtEulv/Osy/0TaDWfdsWbQ1WziVoYUpPx0s7n5BbTMttJVBCeCQZEm3d5tYwma SwvaH2T/E/Q6838LUEfuQPfzCSZqtPelGVytF7bgNTSj9tLmHM4= =hmW+ -----END PGP SIGNATURE-----