-----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-roundup-14.2-jessie-amd64.iso.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-roundup-14.2-jessie-amd64.iso 68f13cdb8d56686d67555466166b0a53c098eb2bcf0b5015d5d04e6455059958 turnkey-roundup-14.2-jessie-amd64.iso $ sha512sum turnkey-roundup-14.2-jessie-amd64.iso 0e5e77c6ead22611b74090f30c3b302dbbe75432ba5228e3b98e147ea3988b91b2247186ad106bf54c46846016be7e5013e47eb8f7f7b5c476ef6f607934f714 turnkey-roundup-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-roundup-14.2-jessie-amd64.iso.hash turnkey-roundup-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-roundup-14.2-jessie-amd64.iso.hash turnkey-roundup-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZVQkpAAoJEIXCXpWhbrlN6OEIAKCsOhcSMz528upl5JxTKCvj A+rqGh4hdhaWA7q7IUDuqkW12QFuDf1ZfeV9EKlG3bHevo9esrRTaJZZyAGnIz/0 HM3c3TpVSQ/k6e0lt+lF9sj1/6Z5Sqh5Hnu3bQgUCrWxlS86hQkkEszt8vH7WfzA z7Em1sKwIYy36BVcQczB5oE+Fs88aCWuKSZXed+T5KROeG9A2uzKifrKqE5GX/cH Lo1S3qxx0xeMontvX3HvB5OOplDBR1t/hKmkV4zLe9R2HZNck8aqREcKDJXNcKUJ YQJhIB2KcqIRMsMo1yuqo/WTwTnneMrT4Z2VnPIqifDDVuAbKwwa6Bb/td6lv+c= =C9EG -----END PGP SIGNATURE-----