-----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 turnkey-jenkins-15.3-stretch-amd64.ova.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 turnkey-jenkins-15.3-stretch-amd64.ova 172e0fce23f95b746b5e923970d0f3f1ba85341f325aff8c04db77d5daa58a9e turnkey-jenkins-15.3-stretch-amd64.ova $ sha512sum turnkey-jenkins-15.3-stretch-amd64.ova 92a55eabdf9fb9d932a86d8d688a81191d226efa7bb60824c6916da40977729b7c442e2ec31ce4eab2e2e713dcd9eafa06daf56e4d234cc9c0b279b2cf145890 turnkey-jenkins-15.3-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-jenkins-15.3-stretch-amd64.ova.hash turnkey-jenkins-15.3-stretch-amd64.ova: OK $ sha512sum -c turnkey-jenkins-15.3-stretch-amd64.ova.hash turnkey-jenkins-15.3-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/piMACgkQhcJelaFu uU3zigf+LUjdZUxtclHk1tBy0lYhYsp6xP+dGkGScngzLcOKClOfhq1jM0F5suPh o6HKiFZtrFLYVnh1zB5B/eIb6Gv/Illjf2O8TVO8FVgx5atimYsC0CXPlXdM2rE9 WPaTl6zdP3WncUu/aRXIJQYaW+MpqQA/BHouLdq9pPYgTJILZglYiQAgLYeJyymZ XtMWVnYb/0n5zeVPpv5Ci7dcFuIwj1jnA5Q1DVn7pVGJN+W8pCalbRs8BaEDy2F1 MxjW0jmpV+8J/kT5llE4GrILasdF/XMftbT7y7bG89fPNdI9PtZRYqFQTR+qLQg7 0Or/TJLnV1BQnYJ/kLAy5gqs1azhQg== =pmNt -----END PGP SIGNATURE-----