SecureConjunctiveQuery/test/test_helper.cpp at main · WeiqiNs/SecureConjunctiveQuery · GitHub

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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
#include <gtest/gtest.h>
#include "helper.hpp"


TEST(HelperTests, CharIntConversion){
    constexpr int x = 10;

    const CharVec x_vec = Helper::int_to_char_vec(x);

    EXPECT_EQ(Helper::char_vec_to_int(x_vec), x);
}

TEST(HelperTests, CharNegIntConversion){
    constexpr int x = -10;

    const CharVec x_vec = Helper::int_to_char_vec(x);

    EXPECT_EQ(Helper::char_vec_to_int(x_vec), x);
}

TEST(HelperTests, CharStrConversion){
    const str x = "This is a test.";

    const CharVec x_vec = Helper::str_to_char_vec(x);

    EXPECT_EQ(Helper::char_vec_to_str(x_vec), x);
}

TEST(HelperTests, CharFpConversion){
    const CharVec x_vec = {0x12, 0x34};

    const Fp x = Helper::char_vec_to_fp(x_vec);

    EXPECT_TRUE(Field::cmp(x, 4660));
}

TEST(HelperTests, XorCharVec){
    const CharMat x_mat = {{0x12, 0x34}};
    EXPECT_EQ(x_mat[0], Helper::xor_char_vec(x_mat));

    const CharMat y_mat = {{0x12, 0x34}, {0x23, 0x45}, {0x34, 0x56}, {0x00, 0x00}};
    const CharVec y_xor = {0x05, 0x27};
    EXPECT_EQ(y_xor, Helper::xor_char_vec(y_mat));
}

TEST(HelperTests, PowerPoly){
    const IntVec x_vec = {1, 2, 3};

    const auto pairing_group = BP();

    const auto r = Helper::power_poly(3, pairing_group, pairing_group.Zp->from_int(x_vec));

    // Check the size.
    EXPECT_EQ(r.size(), 10);
    // Check correctness.
    EXPECT_TRUE(Field::cmp(r[0], 1) && Field::cmp(r[8], 27) && Field::cmp(r[9], 1));
}

TEST(HelperTests, CoeffPoly){
    const IntMat x_mat = {{1, 2, 3}, {4, 5}, {6}};

    const auto pairing_group = BP();

    const auto r = Helper::coeff_poly(3, pairing_group, pairing_group.Zp->from_int(x_mat));

    // Check the size.
    EXPECT_EQ(r.size(), 10);
    // Check correctness.
    EXPECT_TRUE(
        Field::cmp(r[0], 11) &&
        Field::cmp(r[1], pairing_group.Zp->from_int(-6)) &&
        Field::cmp(r[2], 1) &&
        Field::cmp(r[3], pairing_group.Zp->from_int(-9)) &&
        Field::cmp(r[4], 1) &&
        Field::cmp(r[5], 0) &&
        Field::cmp(r[9], 8)
    );
}

TEST(HelperTests, SplitPoly){
    const IntVec x = {1, 2, 3, 4, 5};

    const auto pairing_group = BP();

    const auto r = Helper::split_poly(pairing_group, pairing_group.Zp->from_int(x));

    EXPECT_TRUE(
        Field::cmp(pairing_group.Zp->add(r[0], r[5]), 1) &&
        Field::cmp(pairing_group.Zp->add(r[2], r[7]), 3)
    );
}

TEST(HelperTests, FilterTrue){
    const IntVec x = {1, 2, 3};
    const IntMat y = {{1, 2}, {2, 3}, {1, 3}};

    const auto pairing_group = BP();

    const auto poly_x = Helper::power_poly(3, pairing_group, pairing_group.Zp->from_int(x));
    const auto poly_y = Helper::coeff_poly(3, pairing_group, pairing_group.Zp->from_int(y));

    const auto r = pairing_group.Zp->vec_ip(poly_x, poly_y);

    EXPECT_TRUE(Field::cmp(r, 0));
}

TEST(HelperTests, FilterFalse){
    const IntVec x = {1, 2, 3};
    const IntMat y = {{2, 3}, {2, 3}, {1, 3}};

    const auto pairing_group = BP();

    const auto poly_x = Helper::power_poly(3, pairing_group, pairing_group.Zp->from_int(x));
    const auto poly_y = Helper::coeff_poly(3, pairing_group, pairing_group.Zp->from_int(y));

    const auto r = pairing_group.Zp->vec_ip(poly_x, poly_y);

    EXPECT_FALSE(Field::cmp(r, 0));
}

TEST(HelperTests, FilterSplitTrue){
    const IntVec x = {1, 2, 3};
    const IntMat y = {{1, 2}, {2, 3}, {1, 3}};

    const auto pairing_group = BP();

    const auto poly_x = Helper::power_poly(3, pairing_group, pairing_group.Zp->from_int(x));
    const auto poly_y = Helper::coeff_poly(3, pairing_group, pairing_group.Zp->from_int(y));

    const auto r = pairing_group.Zp->vec_ip(
        Field::vec_join(poly_x, poly_x), Helper::split_poly(pairing_group, poly_y)
    );

    EXPECT_TRUE(Field::cmp(r, 0));
}

TEST(HelperTests, FilterSplitFalse){
    const IntVec x = {1, 2, 3};
    const IntMat y = {{2, 3}, {2, 3}, {1, 3}};

    const auto pairing_group = BP();

    const auto poly_x = Helper::power_poly(3, pairing_group, pairing_group.Zp->from_int(x));
    const auto poly_y = Helper::coeff_poly(3, pairing_group, pairing_group.Zp->from_int(y));

    const auto r = pairing_group.Zp->vec_ip(
        Field::vec_join(poly_x, poly_x), Helper::split_poly(pairing_group, poly_y)
    );

    EXPECT_FALSE(Field::cmp(r, 0));
}

TEST(HelperTests, SelectIndex){
    const IntVec sel = {1, 2, 5};

    const auto r = Helper::get_sel_index(3, 10, sel);

    EXPECT_EQ(r[0], 3);
    EXPECT_EQ(r.back(), 30);
}