-----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-orangehrm-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-orangehrm-14.2-jessie-amd64.iso 9c228971a9bc3a125760cc33f5a0ad7a44b7ad43646258274d0f206a0fb5722b turnkey-orangehrm-14.2-jessie-amd64.iso $ sha512sum turnkey-orangehrm-14.2-jessie-amd64.iso a5d452c8906f6c51d5e78d60ac325f464d9527992b66aa6cf51bbed543a260cb032edecf20c3d1707a1785f3a65e090f12a6d4125d2cf2612bf95d9be9159079 turnkey-orangehrm-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-orangehrm-14.2-jessie-amd64.iso.hash turnkey-orangehrm-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-orangehrm-14.2-jessie-amd64.iso.hash turnkey-orangehrm-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZAJDpAAoJEIXCXpWhbrlNIQ8IAN4lhenSExi8YJEitzl0iMIw WqlBxTZDvjBAeMMGEeqbmrCk7+DBsOo051GRxPNss0/O6PJEjrutCLj8mR/ZwuLd WFtzeO0sqoXRhoVP9E4KFiOY1rnuB5Ho9yj3IYR+BLfoe7zc4SRvHmraj/97JRaa At9V4P8U1lkPtSzs/DiG4TNlEY2bP7JG8C4O+zDMpcSqxEObT62eaCgcaMjyXvFQ n5A1yhCnf8IPZugstJ75u0lF2y/uoMrxzoxeyfwQi6Ekslqmf+eWann6l3C/qt3c yyya0XpL4tOnt+pmC0RQ87kSEyidALm9JycZz9wrA5ZZkw7OIBUktQs5BLAt+V0= =RY6B -----END PGP SIGNATURE-----