--- /dev/null
+#! /usr/bin/env perl
+# Copyright 2017-2020 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the Apache License 2.0 (the "License"). You may not use
+# this file except in compliance with the License. You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
+
+use strict;
+use warnings;
+
+use File::Spec;
+use OpenSSL::Test qw/:DEFAULT data_file/;
+use OpenSSL::Test::Utils;
+
+sub check_key {
+ my $f = shift;
+
+ return run(app(['openssl', 'pkey', '-check', '-text',
+ '-in', $f]));
+}
+
+sub check_key_notok {
+ my $f = shift;
+ my $str = "$f should fail validation";
+
+ $f = data_file($f);
+
+ if ( -s $f ) {
+ ok(!check_key($f), $str);
+ } else {
+ fail("Missing file $f");
+ }
+}
+
+setup("test_pkey_check");
+
+my @tests = ();
+
+push(@tests, (
+ # For EC keys the range for the secret scalar `k` is `1 <= k <= n-1`
+ "ec_p256_bad_0.pem", # `k` set to `n` (equivalent to `0 mod n`, invalid)
+ "ec_p256_bad_1.pem", # `k` set to `n+1` (equivalent to `1 mod n`, invalid)
+ )) unless disabled("ec");
+
+plan skip_all => "No tests within the current enabled feature set"
+ unless @tests;
+
+plan tests => scalar(@tests);
+
+foreach my $t (@tests) {
+ check_key_notok($t);
+}