wolfssl/gencertbuf.pl
2014-07-10 11:18:49 -06:00

125 lines
3.4 KiB
Perl
Executable File

#!/usr/bin/perl
# gencertbuf.pl
# version 1.1
# Updated 07/01/2014
#
# Copyright (C) 2006-2014 wolfSSL Inc.
#
use strict;
use warnings;
# ---- SCRIPT SETTINGS -------------------------------------------------------
# output C header file to write cert/key buffers to
my $outputFile = "./cyassl/certs_test.h";
# 1024-bit certs/keys to be converted
# Used with USE_CERT_BUFFERS_1024 define.
my @fileList_1024 = (
[ "./certs/1024/client-key.der", "client_key_der_1024" ],
[ "./certs/1024/client-cert.der", "client_cert_der_1024" ],
[ "./certs/1024/dh1024.der", "dh_key_der_1024" ],
[ "./certs/1024/dsa1024.der", "dsa_key_der_1024" ],
[ "./certs/1024/rsa1024.der", "rsa_key_der_1024" ]
);
# 2048-bit certs/keys to be converted
# Used with USE_CERT_BUFFERS_2048 define.
my @fileList_2048 = (
[ "./certs/client-key.der", "client_key_der_2048" ],
[ "./certs/client-cert.der", "client_cert_der_2048" ],
[ "./certs/dh2048.der", "dh_key_der_2048" ],
[ "./certs/dsa2048.der", "dsa_key_der_2048" ],
[ "./certs/rsa2048.der", "rsa_key_der_2048" ],
[ "./certs/ca-cert.der", "ca_cert_der_2048" ],
[ "./certs/server-key.der", "server_key_der_2048" ],
[ "./certs/server-cert.der", "server_cert_der_2048" ]
);
# ----------------------------------------------------------------------------
my $num_1024 = @fileList_1024;
my $num_2048 = @fileList_2048;
# open our output file, "+>" creates and/or truncates
open OUT_FILE, "+>", $outputFile or die $!;
print OUT_FILE "/* certs_test.h */\n\n";
print OUT_FILE "#ifndef CYASSL_CERTS_TEST_H\n";
print OUT_FILE "#define CYASSL_CERTS_TEST_H\n\n";
# convert and print 1024-bit cert/keys
print OUT_FILE "#ifdef USE_CERT_BUFFERS_1024\n\n";
for (my $i = 0; $i < $num_1024; $i++) {
my $fname = $fileList_1024[$i][0];
my $sname = $fileList_1024[$i][1];
print OUT_FILE "/* $fname, 1024-bit */\n";
print OUT_FILE "const unsigned char $sname\[] =\n";
print OUT_FILE "{\n";
file_to_hex($fname);
print OUT_FILE "};\n";
print OUT_FILE "const int sizeof_$sname = sizeof($sname);\n\n";
}
# convert and print 2048-bit certs/keys
print OUT_FILE "#elif defined(USE_CERT_BUFFERS_2048)\n\n";
for (my $i = 0; $i < $num_2048; $i++) {
my $fname = $fileList_2048[$i][0];
my $sname = $fileList_2048[$i][1];
print OUT_FILE "/* $fname, 2048-bit */\n";
print OUT_FILE "const unsigned char $sname\[] =\n";
print OUT_FILE "{\n";
file_to_hex($fname);
print OUT_FILE "};\n";
print OUT_FILE "const int sizeof_$sname = sizeof($sname);\n\n";
}
print OUT_FILE "#endif /* USE_CERT_BUFFERS_1024 */\n\n";
print OUT_FILE "#endif /* CYASSL_CERTS_TEST_H */\n\n";
# close certs_test.h file
close OUT_FILE or die $!;
# print file as hex, comma-separated, as needed by C buffer
sub file_to_hex {
my $fileName = $_[0];
open my $fp, "<", $fileName or die $!;
binmode($fp);
my $fileLen = -s $fileName;
my $byte;
for (my $i = 0, my $j = 1; $i < $fileLen; $i++, $j++)
{
if ($j == 1) {
print OUT_FILE "\t";
}
read($fp, $byte, 1) or die "Error reading $fileName";
my $output = sprintf("0x%02X", ord($byte));
print OUT_FILE $output;
if ($i != ($fileLen - 1)) {
print OUT_FILE ", ";
}
if ($j == 10) {
$j = 0;
print OUT_FILE "\n";
}
}
print OUT_FILE "\n";
close($fp);
}