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Code Issues Releases Wiki Activity

mk-ca-bundle.pl: use SHA256 instead of SHA1

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This hash is used to verify the original downloaded certificate bundle
and also included in the generated bundle's comment header. Also
rename related internal symbols to algorithm-agnostic names.
This commit is contained in:
Viktor Szakats 2016-09-07 10:41:11 +02:00 committed by GitHub
parent 9ce6d0d528
commit 8fa20da8e1
1 changed files with 14 additions and 14 deletions
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28
lib/mk-ca-bundle.pl
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@ -225,33 +225,33 @@ sub parse_csv_param($$@) {
return @values;
}
sub sha1 {
sub sha256 {
my $result;
if ($Digest::SHA::VERSION || $Digest::SHA::PurePerl::VERSION) {
open(FILE, $_[0]) or die "Can't open '$_[0]': $!";
binmode(FILE);
$result = $MOD_SHA->new(1)->addfile(*FILE)->hexdigest;
$result = $MOD_SHA->new(256)->addfile(*FILE)->hexdigest;
close(FILE);
} else {
# Use OpenSSL command if Perl Digest::SHA modules not available
$result = (split(/ |\r|\n/,`$openssl dgst -sha1 $_[0]`))[1];
$result = (split(/ |\r|\n/,`$openssl dgst -sha256 $_[0]`))[1];
}
return $result;
}
sub oldsha1 {
my $sha1 = "";
sub oldhash {
my $hash = "";
open(C, "<$_[0]") || return 0;
while(<C>) {
chomp;
if($_ =~ /^\#\# SHA1: (.*)/) {
$sha1 = $1;
if($_ =~ /^\#\# SHA256: (.*)/) {
$hash = $1;
last;
}
}
close(C);
return $sha1;
return $hash;
}
if ( $opt_p !~ m/:/ ) {
@ -283,9 +283,9 @@ my $stdout = $crt eq '-';
my $resp;
my $fetched;
my $oldsha1 = oldsha1($crt);
my $oldhash = oldhash($crt);
report "SHA1 of old file: $oldsha1";
report "SHA256 of old file: $oldhash";
report "Downloading '$txt' ...";
@ -328,14 +328,14 @@ if(!$filedate) {
}
# get the hash from the download file
my $newsha1= sha1($txt);
my $newhash= sha256($txt);
if(!$opt_f && $oldsha1 eq $newsha1) {
if(!$opt_f && $oldhash eq $newhash) {
report "Downloaded file identical to previous run\'s source file. Exiting";
exit;
}
report "SHA1 of new file: $newsha1";
report "SHA256 of new file: $newhash";
my $currentdate = scalar gmtime($filedate);
@ -362,7 +362,7 @@ print CRT <<EOT;
## Just configure this file as the SSLCACertificateFile.
##
## Conversion done with mk-ca-bundle.pl version $version.
## SHA1: $newsha1
## SHA256: $newhash
##
EOT