1*e0c4386eSCy Schubert#! /usr/bin/env perl 2*e0c4386eSCy Schubert# Copyright 2021 The OpenSSL Project Authors. All Rights Reserved. 3*e0c4386eSCy Schubert# 4*e0c4386eSCy Schubert# Licensed under the Apache License 2.0 (the "License"). You may not use 5*e0c4386eSCy Schubert# this file except in compliance with the License. You can obtain a copy 6*e0c4386eSCy Schubert# in the file LICENSE in the source distribution or at 7*e0c4386eSCy Schubert# https://www.openssl.org/source/license.html 8*e0c4386eSCy Schubert 9*e0c4386eSCy Schubertuse Getopt::Long; 10*e0c4386eSCy Schubert 11*e0c4386eSCy Schubertmy $activate = 1; 12*e0c4386eSCy Schubertmy $conditional_errors = 1; 13*e0c4386eSCy Schubertmy $security_checks = 1; 14*e0c4386eSCy Schubertmy $mac_key; 15*e0c4386eSCy Schubertmy $module_name; 16*e0c4386eSCy Schubertmy $section_name = "fips_sect"; 17*e0c4386eSCy Schubert 18*e0c4386eSCy SchubertGetOptions("key=s" => \$mac_key, 19*e0c4386eSCy Schubert "module=s" => \$module_name, 20*e0c4386eSCy Schubert "section_name=s" => \$section_name) 21*e0c4386eSCy Schubert or die "Error when getting command line arguments"; 22*e0c4386eSCy Schubert 23*e0c4386eSCy Schubertmy $mac_keylen = length($mac_key); 24*e0c4386eSCy Schubert 25*e0c4386eSCy Schubertuse Digest::SHA qw(hmac_sha256_hex); 26*e0c4386eSCy Schubertmy $module_size = [ stat($module_name) ]->[7]; 27*e0c4386eSCy Schubert 28*e0c4386eSCy Schubertopen my $fh, "<:raw", $module_name or die "Trying to open $module_name: $!"; 29*e0c4386eSCy Schubertread $fh, my $data, $module_size or die "Trying to read $module_name: $!"; 30*e0c4386eSCy Schubertclose $fh; 31*e0c4386eSCy Schubert 32*e0c4386eSCy Schubert# Calculate HMAC-SHA256 in hex, and split it into a list of two character 33*e0c4386eSCy Schubert# chunks, and join the chunks with colons. 34*e0c4386eSCy Schubertmy @module_mac 35*e0c4386eSCy Schubert = ( uc(hmac_sha256_hex($data, pack("H$mac_keylen", $mac_key))) =~ m/../g ); 36*e0c4386eSCy Schubertmy $module_mac = join(':', @module_mac); 37*e0c4386eSCy Schubert 38*e0c4386eSCy Schubertprint <<_____; 39*e0c4386eSCy Schubert[$section_name] 40*e0c4386eSCy Schubertactivate = $activate 41*e0c4386eSCy Schubertconditional-errors = $conditional_errors 42*e0c4386eSCy Schubertsecurity-checks = $security_checks 43*e0c4386eSCy Schubertmodule-mac = $module_mac 44*e0c4386eSCy Schubert_____ 45