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https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-03 13:13:30 +01:00
45 lines
1.4 KiB
Raku
45 lines
1.4 KiB
Raku
#! /usr/bin/env perl
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# Copyright 2021 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the Apache License 2.0 (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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use Getopt::Long;
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my $activate = 1;
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my $conditional_errors = 1;
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my $security_checks = 1;
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my $mac_key;
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my $module_name;
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my $section_name = "fips_sect";
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GetOptions("key=s" => \$mac_key,
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"module=s" => \$module_name,
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"section_name=s" => \$section_name)
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or die "Error when getting command line arguments";
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my $mac_keylen = length($mac_key);
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use Digest::SHA qw(hmac_sha256_hex);
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my $module_size = [ stat($module_name) ]->[7];
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open my $fh, "<:raw", $module_name or die "Trying to open $module_name: $!";
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read $fh, my $data, $module_size or die "Trying to read $module_name: $!";
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close $fh;
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# Calculate HMAC-SHA256 in hex, and split it into a list of two character
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# chunks, and join the chunks with colons.
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my @module_mac
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= ( uc(hmac_sha256_hex($data, pack("H$mac_keylen", $mac_key))) =~ m/../g );
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my $module_mac = join(':', @module_mac);
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print <<_____;
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[$section_name]
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activate = $activate
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conditional-errors = $conditional_errors
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security-checks = $security_checks
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module-mac = $module_mac
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_____
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