-----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-symfony-14.2-jessie-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-symfony-14.2-jessie-amd64.ova 1e86a3dbd92b8184e21c96d050a32276adc83228a2c68881587e5ae3a7ccdf60 turnkey-symfony-14.2-jessie-amd64.ova $ sha512sum turnkey-symfony-14.2-jessie-amd64.ova 59c99cb3755d4d1e7e590d4bea57ec8f724093225ee4d580bf37c6c2d2c8d40b1d00dde6aff1b2b279f77d07a1b964203b404f75fc881a6be9c3ff991652c21e turnkey-symfony-14.2-jessie-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-symfony-14.2-jessie-amd64.ova.hash turnkey-symfony-14.2-jessie-amd64.ova: OK $ sha512sum -c turnkey-symfony-14.2-jessie-amd64.ova.hash turnkey-symfony-14.2-jessie-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZeIKlAAoJEIXCXpWhbrlNoekIAMhLu8VFt2msTHduetrCbEUs bgMNyGLjvALHksRAZDwXhjTEBtptomGDUSbU6mAnlY42QnFR70JJS5IfIpcr5MtC Pfh/cIubjZJqO7Dhr1jhUZo75pEag40h/O6CkdE6a/DMxtU1fMW0W/69ULcdISRH Xbnl5/HHOFs5oope1jp9Pfc3mDm+PV8YlbcNg9Qen8wdz4+S6wuR56lJZLuHB4TK mESHVI8ErW8uky3pMSNmhN5NhfsL4LHLgxvvkEapNGx7JblIX5dV9zzIv2hA0IRa DVma5ZXZbtzed2EMjYs6j47+Uv45Kjm0Segu551du/ib1Ch9UzV0vEGSEYhWljM= =/Ncy -----END PGP SIGNATURE-----