====== Client private key ======

===== Name =====

    privkey

===== Details =====

^ Type                | [[:cfgtype:hex|Byte sequence]]        |
^ DHCP option number  | 175.92                                |
^ ISC dhcpd syntax    | option ipxe.privkey                   |

===== Examples =====

=== Convert a private key file to hex dump format ===

    openssl rsa -in client.key -outform DER | \
        perl -0777 -ne 'print join ( ":", map { sprintf "%02x", $_ } unpack "C*" )."\n"'

=== Configure the client private key via VMware GuestInfo ===

    guestinfo.ipxe.privkey = "30:82:02:5d:02:01:00:02:81:81:00:d5:92:af:72:83: ... :6b:c4:ee"

===== Description =====

Specifies the client private key used to authenticate iPXE to TLS servers.

===== See also =====

  * ''[[:cfg:cert]]''
  * iPXE [[:crypto|cryptography]] guide
  * [[:cfg|List of all iPXE settings]]

===== Notes =====

Client private keys are usually too large to be transmitted via DHCP.  Transmitting a private key via a plaintext protocol such as DHCP would be a bad idea anyway.