diff --git a/tmp/list-enum-consts.pl b/tmp/list-enum-consts.pl
new file mode 100755
index 0000000..4e0baec
--- /dev/null
+++ b/tmp/list-enum-consts.pl
@@ -0,0 +1,33 @@
+#!/usr/bin/perl
+
+use warnings;
+use strict;
+
+use utf8;
+use open qw(:std utf8);
+
+@ARGV = <include/mbedtls/*.h>;
+
+my @consts;
+my $state = 'out';
+while (<>)
+{
+    if( $state eq 'out' and /^(typedef )?enum {/ ) {
+        $state = 'in';
+    } elsif( $state eq 'out' and /^(typedef )?enum/ ) {
+        $state = 'start';
+    } elsif( $state eq 'start' and /{/ ) {
+        $state = 'in';
+    } elsif( $state eq 'in' and /}/ ) {
+        $state = 'out';
+    } elsif( $state eq 'in' ) {
+        s/=.*//; s!/\*.*!!; s/,.*//; s/\s+//g; chomp;
+        push @consts, $_ if $_;
+    }
+}
+
+open my $fh, '>', 'enum-consts' or die;
+print $fh "$_\n" for sort @consts;
+close $fh or die;
+
+printf "%8d enum-consts\n", scalar @consts;