From cdfc47a7e1357f76047015704ee61fe25d3c8f01 Mon Sep 17 00:00:00 2001
From: Charles McGarvey <chazmcgarvey@brokenzipper.com>
Date: Thu, 30 Nov 2017 20:12:22 -0700
Subject: [PATCH] avoid declaring unused vars for stdin

---
 lib/App/GroupSecret/Crypt.pm | 23 ++++++++---------------
 1 file changed, 8 insertions(+), 15 deletions(-)

diff --git a/lib/App/GroupSecret/Crypt.pm b/lib/App/GroupSecret/Crypt.pm
index 9016348..a7110f7 100644
--- a/lib/App/GroupSecret/Crypt.pm
+++ b/lib/App/GroupSecret/Crypt.pm
@@ -37,10 +37,9 @@ sub generate_secure_random_bytes {
 
     my @cmd = (qw{openssl rand}, $size);
 
-    my ($in, $out);
-    my $pid = open2($out, $in, @cmd);
+    my $out;
+    my $pid = open2($out, undef, @cmd);
 
-    close($in);
     waitpid($pid, 0);
     my $status = $?;
 
@@ -63,10 +62,8 @@ sub read_openssh_public_key {
 
     my @cmd = (qw{ssh-keygen -e -m PKCS8 -f}, $filepath);
 
-    my ($in, $out);
-    my $pid = open2($out, $in, @cmd);
-
-    close($in);
+    my $out;
+    my $pid = open2($out, undef, @cmd);
 
     waitpid($pid, 0);
     my $status = $?;
@@ -141,10 +138,8 @@ sub decrypt_rsa {
     my @cmd = (qw{openssl rsautl -decrypt -oaep -in}, $filepath, '-inkey', $privkey);
     push @cmd, ('-out', $outfile) if $outfile;
 
-    my ($in, $out);
-    my $pid = open2($out, $in, @cmd);
-
-    close($in);
+    my $out;
+    my $pid = open2($out, undef, @cmd);
 
     waitpid($pid, 0);
     my $status = $?;
@@ -189,10 +184,8 @@ sub encrypt_rsa {
     my @cmd = (qw{openssl rsautl -encrypt -oaep -pubin -inkey}, $keypath, '-in', $filepath);
     push @cmd, ('-out', $outfile) if $outfile;
 
-    my ($in, $out);
-    my $pid = open2($out, $in, @cmd);
-
-    close($in);
+    my $out;
+    my $pid = open2($out, undef, @cmd);
 
     waitpid($pid, 0);
     my $status = $?;
-- 
2.45.2