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LibCrypto+Tests: Test and demonstrate broken ASN1::parse_utc_time

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Ben Wiederhake 2022-09-11 21:28:42 +02:00 committed by Andreas Kling
parent e8ce0f0eba
commit 29261809ef
2 changed files with 67 additions and 0 deletions
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1
Tests/LibCrypto/CMakeLists.txt
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@ -1,5 +1,6 @@
set(TEST_SOURCES
TestAES.cpp
TestASN1.cpp
TestBigInteger.cpp
TestChecksum.cpp
TestChaCha20.cpp

66
Tests/LibCrypto/TestASN1.cpp Normal file
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@ -0,0 +1,66 @@
/*
* Copyright (c) 2022, Ben Wiederhake <BenWiederhake.GitHub@gmx.de>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/StringView.h>
#include <LibCrypto/ASN1/ASN1.h>
#include <LibTest/TestCase.h>
#define EXPECT_DATETIME(sv, y, mo, d, h, mi, s) \
EXPECT_EQ(Crypto::ASN1::parse_utc_time(sv).value(), Core::DateTime::create(y, mo, d, h, mi, s))
TEST_CASE(test_utc_boring)
{
// YYMMDDhhmm[ss]Z
EXPECT_DATETIME("010101010101Z"sv, 2001, 1, 1, 1, 1, 1);
EXPECT_DATETIME("010203040506Z"sv, 2001, 2, 3, 4, 5, 6);
EXPECT_DATETIME("020406081012Z"sv, 2002, 4, 6, 8, 10, 12);
EXPECT_DATETIME("0204060810Z"sv, 2002, 4, 6, 8, 10, 0);
EXPECT_DATETIME("220911220000Z"sv, 2022, 9, 11, 22, 0, 0);
}
TEST_CASE(test_utc_year_rollover)
{
// YYMMDDhhmm[ss]Z
EXPECT_DATETIME("000101010101Z"sv, 2000, 1, 1, 1, 1, 1);
EXPECT_DATETIME("010101010101Z"sv, 2001, 1, 1, 1, 1, 1);
EXPECT_DATETIME("020101010101Z"sv, 2002, 1, 1, 1, 1, 1);
// ...
EXPECT_DATETIME("480101010101Z"sv, 2048, 1, 1, 1, 1, 1);
EXPECT_DATETIME("490101010101Z"sv, 2049, 1, 1, 1, 1, 1);
// This Y2050-problem is hardcoded in the spec. Oh no.
EXPECT_DATETIME("500101010101Z"sv, 1950, 1, 1, 1, 1, 1);
EXPECT_DATETIME("510101010101Z"sv, 1951, 1, 1, 1, 1, 1);
// ...
EXPECT_DATETIME("970101010101Z"sv, 1997, 1, 1, 1, 1, 1);
EXPECT_DATETIME("980101010101Z"sv, 1998, 1, 1, 1, 1, 1);
EXPECT_DATETIME("990101010101Z"sv, 1999, 1, 1, 1, 1, 1);
}
TEST_CASE(test_utc_offset)
{
// YYMMDDhhmm[ss](+|-)hhmm
// We don't yet support storing the offset anywhere and instead just assume that the offset is just +0000.
EXPECT_DATETIME("010101010101+0000"sv, 2001, 1, 1, 1, 1, 1);
EXPECT_DATETIME("010203040506+0000"sv, 2001, 2, 3, 4, 5, 6);
EXPECT_DATETIME("020406081012+0000"sv, 2002, 4, 6, 8, 10, 12);
EXPECT_DATETIME("0204060810+0000"sv, 2002, 4, 6, 8, 10, 0);
EXPECT_DATETIME("220911220000+0000"sv, 2022, 9, 11, 22, 0, 0);
// Designed to fail once we support offsets:
EXPECT_DATETIME("220911220000+0600"sv, 2022, 9, 11, 22, 0, 0);
}
TEST_CASE(test_utc_missing_z)
{
// YYMMDDhhmm[ss]
// We don't actually need to parse this correctly; rejecting these inputs is fine.
// This test just makes sure that we don't crash.
// FIXME: This currently crashes
// (void)Crypto::ASN1::parse_utc_time("010101010101"sv);
// (void)Crypto::ASN1::parse_utc_time("010203040506"sv);
// (void)Crypto::ASN1::parse_utc_time("020406081012"sv);
// (void)Crypto::ASN1::parse_utc_time("0204060810"sv);
// (void)Crypto::ASN1::parse_utc_time("220911220000"sv);
}