-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 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://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import $ gpg --list-keys --with-fingerprint release@turnkeylinux.com pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] Key fingerprint = 694C FF26 795A 29BA E07B 4EB5 85C2 5E95 A16E B94D uid Turnkey Linux Release Key $ gpg --verify debian-9-turnkey-mediawiki_15.1-1_amd64.tar.gz.hash gpg: Signature made using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key " For extra credit you can validate the key's authenticity at: https://keybase.io/turnkeylinux 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum debian-9-turnkey-mediawiki_15.1-1_amd64.tar.gz 1688908552b858b697e803d5f4447036f6d8aea2f21b54a021a9c80be2aad227 debian-9-turnkey-mediawiki_15.1-1_amd64.tar.gz $ sha512sum debian-9-turnkey-mediawiki_15.1-1_amd64.tar.gz 58593a8de3d109d547aea6fadd0debef0b4de2f2e9c91c90eca5961ea4b88928196e798b88508dd2cae53e092e81843e6b47d8cf27742020eab9e4168ee8aeeb debian-9-turnkey-mediawiki_15.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-mediawiki_15.1-1_amd64.tar.gz.hash debian-9-turnkey-mediawiki_15.1-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-mediawiki_15.1-1_amd64.tar.gz.hash debian-9-turnkey-mediawiki_15.1-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITOoACgkQhcJelaFu uU21Pwf9FRyf6+lKiMR2/z+ABpjpK5GTY3AE1m5tAuisjmvjL85e/1W5wN4hJktm 6hnesMFFW8QYHyCcQkTKstnulojX0tvJVdJhT6NaK4onOMYFwDbz7Lgo+9ByclLC SeTtsrzQedEbi9SXzmcfjY5HKSeQQoKVTAfLZKwMrApFZag7ql0GwchTadEJqIzX 5u1DhylPPuPuQ1XmS5mWSK10E8uQSVjTa6KWtJfnyUiH3GkUEDQBRO3kvY1O6dZl d/NEimeZz5csM2Lc58LRfqiYRKRoemPgEAGn5dLIo+Oi169ktl0HkrqAaUf++gSQ xKWmyhZy/rWO15rOLGPE27z3iklyTQ== =ygLI -----END PGP SIGNATURE-----