-----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-processmaker_15.3-1_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-processmaker_15.3-1_amd64.tar.gz 4a0e5565535a7f939dac3545bf76f1c1ae7a95273eb848be0f70d8bd505faf86 debian-9-turnkey-processmaker_15.3-1_amd64.tar.gz $ sha512sum debian-9-turnkey-processmaker_15.3-1_amd64.tar.gz 3b2f1ad94b6801ee94a802971c1a790e9680859d6017a276f95b97a67084c6461434bd615512253543bfb1ac094cf2f7d8ed9c20dd18661943b9da13ca73e7fa debian-9-turnkey-processmaker_15.3-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-processmaker_15.3-1_amd64.tar.gz.hash debian-9-turnkey-processmaker_15.3-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-processmaker_15.3-1_amd64.tar.gz.hash debian-9-turnkey-processmaker_15.3-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlyZ3PcACgkQhcJelaFu uU1nzgf+NJjyPrt3XX5N4MzS5LLs/x3YxQM9Xhz97v6SUcm4YI/g+vk1IAJ3SNiG iDf9DYbPJkFVdq3EUX1L9I+HRyrxmH5RTBCXqK2vuMd/H5GuaBzAd4Ol5+35YJH5 IAv/sAj7pZIAKn6xlmUD36eD6ma4y1XEXRcRYKmLjmk95fExlZh2VzR9CgPXtwE3 WhU3gdmWimXzm4F+syRJn5zaUZ25P0RbQzucolSBestoEXMMR4Py6JBhYA0p/dPx F5n2GxzEGGIHxp2EDzrWkKfY4Do+qaA4w7iE1qSipg7InzpqPmM5EpM8GopJ5Git /vmPjlNWDlPgoCRD/pXMWxKV092i1w== =nv0j -----END PGP SIGNATURE-----