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openvpn3/test/unittests/test_safestr.cpp
James Yonan 303a39ad6c SafeString: use timing-attack-resistant crypto::str_neq for comparisons
Also added unit test.

Signed-off-by: James Yonan <james@openvpn.net>
2021-08-17 13:07:40 -06:00

51 lines
1.6 KiB
C++

// OpenVPN -- An application to securely tunnel IP networks
// over a single port, with support for SSL/TLS-based
// session authentication and key exchange,
// packet encryption, packet authentication, and
// packet compression.
//
// Copyright (C) 2012-2021 OpenVPN Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License Version 3
// as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program in the COPYING file.
#include "test_common.h"
#include <openvpn/buffer/safestr.hpp>
using namespace openvpn;
static void compare(const SafeString& s1, const SafeString& s2, const bool expect_eq)
{
ASSERT_EQ(s1 == s2.c_str(), expect_eq);
ASSERT_NE(s1 != s2.c_str(), expect_eq);
ASSERT_EQ(s1 == s2.to_string(), expect_eq);
ASSERT_NE(s1 != s2.to_string(), expect_eq);
}
TEST(safestr, test_1)
{
SafeString a("mybigsecret");
SafeString b("mybigsekret");
SafeString c("mybigsekrets");
SafeString a2("mybigsecret");
compare(a, a2, true);
compare(a2, a, true);
compare(a, b, false);
compare(a, c, false);
compare(b, c, false);
compare(b, a, false);
compare(c, a, false);
compare(c, b, false);
}