1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/os_crypt/os_crypt.h"
#include <string>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
class OSCryptTest : public testing::Test {
public:
OSCryptTest() {}
void SetUp() override {
#if defined(OS_MACOSX)
OSCrypt::UseMockKeychain(true);
#endif
}
private:
DISALLOW_COPY_AND_ASSIGN(OSCryptTest);
};
TEST_F(OSCryptTest, String16EncryptionDecryption) {
base::string16 plaintext;
base::string16 result;
std::string utf8_plaintext;
std::string utf8_result;
std::string ciphertext;
// Test borderline cases (empty strings).
EXPECT_TRUE(OSCrypt::EncryptString16(plaintext, &ciphertext));
EXPECT_TRUE(OSCrypt::DecryptString16(ciphertext, &result));
EXPECT_EQ(plaintext, result);
// Test a simple string.
plaintext = base::ASCIIToUTF16("hello");
EXPECT_TRUE(OSCrypt::EncryptString16(plaintext, &ciphertext));
EXPECT_TRUE(OSCrypt::DecryptString16(ciphertext, &result));
EXPECT_EQ(plaintext, result);
// Test a 16-byte aligned string. This previously hit a boundary error in
// base::OSCrypt::Crypt() on Mac.
plaintext = base::ASCIIToUTF16("1234567890123456");
EXPECT_TRUE(OSCrypt::EncryptString16(plaintext, &ciphertext));
EXPECT_TRUE(OSCrypt::DecryptString16(ciphertext, &result));
EXPECT_EQ(plaintext, result);
// Test Unicode.
base::char16 wchars[] = { 0xdbeb, 0xdf1b, 0x4e03, 0x6708, 0x8849,
0x661f, 0x671f, 0x56db, 0x597c, 0x4e03,
0x6708, 0x56db, 0x6708, 0xe407, 0xdbaf,
0xdeb5, 0x4ec5, 0x544b, 0x661f, 0x671f,
0x65e5, 0x661f, 0x671f, 0x4e94, 0xd8b1,
0xdce1, 0x7052, 0x5095, 0x7c0b, 0xe586, 0};
plaintext = wchars;
utf8_plaintext = base::UTF16ToUTF8(plaintext);
EXPECT_EQ(plaintext, base::UTF8ToUTF16(utf8_plaintext));
EXPECT_TRUE(OSCrypt::EncryptString16(plaintext, &ciphertext));
EXPECT_TRUE(OSCrypt::DecryptString16(ciphertext, &result));
EXPECT_EQ(plaintext, result);
EXPECT_TRUE(OSCrypt::DecryptString(ciphertext, &utf8_result));
EXPECT_EQ(utf8_plaintext, base::UTF16ToUTF8(result));
EXPECT_TRUE(OSCrypt::EncryptString(utf8_plaintext, &ciphertext));
EXPECT_TRUE(OSCrypt::DecryptString16(ciphertext, &result));
EXPECT_EQ(plaintext, result);
EXPECT_TRUE(OSCrypt::DecryptString(ciphertext, &utf8_result));
EXPECT_EQ(utf8_plaintext, base::UTF16ToUTF8(result));
}
TEST_F(OSCryptTest, EncryptionDecryption) {
std::string plaintext;
std::string result;
std::string ciphertext;
// Test borderline cases (empty strings).
ASSERT_TRUE(OSCrypt::EncryptString(plaintext, &ciphertext));
ASSERT_TRUE(OSCrypt::DecryptString(ciphertext, &result));
EXPECT_EQ(plaintext, result);
// Test a simple string.
plaintext = "hello";
ASSERT_TRUE(OSCrypt::EncryptString(plaintext, &ciphertext));
ASSERT_TRUE(OSCrypt::DecryptString(ciphertext, &result));
EXPECT_EQ(plaintext, result);
// Make sure it null terminates.
plaintext.assign("hello", 3);
ASSERT_TRUE(OSCrypt::EncryptString(plaintext, &ciphertext));
ASSERT_TRUE(OSCrypt::DecryptString(ciphertext, &result));
EXPECT_EQ(plaintext, "hel");
}
TEST_F(OSCryptTest, CypherTextDiffers) {
std::string plaintext;
std::string result;
std::string ciphertext;
// Test borderline cases (empty strings).
ASSERT_TRUE(OSCrypt::EncryptString(plaintext, &ciphertext));
ASSERT_TRUE(OSCrypt::DecryptString(ciphertext, &result));
// |cyphertext| is empty on the Mac, different on Windows.
EXPECT_TRUE(ciphertext.empty() || plaintext != ciphertext);
EXPECT_EQ(plaintext, result);
// Test a simple string.
plaintext = "hello";
ASSERT_TRUE(OSCrypt::EncryptString(plaintext, &ciphertext));
ASSERT_TRUE(OSCrypt::DecryptString(ciphertext, &result));
EXPECT_NE(plaintext, ciphertext);
EXPECT_EQ(plaintext, result);
// Make sure it null terminates.
plaintext.assign("hello", 3);
ASSERT_TRUE(OSCrypt::EncryptString(plaintext, &ciphertext));
ASSERT_TRUE(OSCrypt::DecryptString(ciphertext, &result));
EXPECT_NE(plaintext, ciphertext);
EXPECT_EQ(result, "hel");
}
TEST_F(OSCryptTest, DecryptError) {
std::string plaintext;
std::string result;
std::string ciphertext;
// Test a simple string, messing with ciphertext prior to decrypting.
plaintext = "hello";
ASSERT_TRUE(OSCrypt::EncryptString(plaintext, &ciphertext));
EXPECT_NE(plaintext, ciphertext);
ASSERT_LT(4UL, ciphertext.size());
ciphertext[3] = ciphertext[3] + 1;
EXPECT_FALSE(OSCrypt::DecryptString(ciphertext, &result));
EXPECT_NE(plaintext, result);
EXPECT_TRUE(result.empty());
}
} // namespace
|