-----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-8-turnkey-espocrm_14.2-1_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-8-turnkey-espocrm_14.2-1_amd64.tar.gz fde3903622ef853e87b58131b892780b58e58652e012b9cd0e49e09206a63301 debian-8-turnkey-espocrm_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-espocrm_14.2-1_amd64.tar.gz aca4129ed32216b7f2f89a2b066b45f51acf26481945cfae13d4b471d8393b4afa4f9995f0e454ecc9439bc2c3639ea53441ddb8193c31f1ec87ae73fc97ce1c debian-8-turnkey-espocrm_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-espocrm_14.2-1_amd64.tar.gz.hash debian-8-turnkey-espocrm_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-espocrm_14.2-1_amd64.tar.gz.hash debian-8-turnkey-espocrm_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZeIKjAAoJEIXCXpWhbrlNQswIAIdKuhsQfjBvKKM90RaQlh4a /IsSRdUIdcffLk/FP9l2ujF74tBqjbcWs36BAnU10EptkqIW2XaNiVaULSBUKGBd lVYCXIgqy1ZiMVoh2qvdtNl0ykh0LexKi8Kdq5txPEtsBWdvpG4l2N3a4L64rnk2 Gftdgh4A7yfUvve/v4qHEEW6aWKnsKCS3h5jLZCsoxOcOqSOKBG1e0IIOOfcEewZ T4d4JIcHqjX409vhgxbuGC6JNo+jtAybtUQsgVtdsvBTlBtQzSi/FjWOrzy3fmwY 6k1GpGX39w4tATFbiYxjwZ/6DTWuWxRuWU9RKt/0t0sqz9u3Pktwc6qQ5nEjJbM= =/cgY -----END PGP SIGNATURE-----