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
|
#include "olm/olm.h"
#include "testing.hh"
#include <vector>
struct test_case {
const char *msghex;
const char *expected_error;
};
const test_case test_cases[] = {
{ "41776f", "BAD_MESSAGE_FORMAT" },
{ "7fff6f0101346d671201", "BAD_MESSAGE_FORMAT" },
{ "ee776f41496f674177804177778041776f6716670a677d6f670a67c2677d", "BAD_MESSAGE_FORMAT" },
{ "e9e9c9c1e9e9c9e9c9c1e9e9c9c1", "BAD_MESSAGE_FORMAT" },
};
const char * session_data =
"E0p44KO2y2pzp9FIjv0rud2wIvWDi2dx367kP4Fz/9JCMrH+aG369HGymkFtk0+PINTLB9lQRt"
"ohea5d7G/UXQx3r5y4IWuyh1xaRnojEZQ9a5HRZSNtvmZ9NY1f1gutYa4UtcZcbvczN8b/5Bqg"
"e16cPUH1v62JKLlhoAJwRkH1wU6fbyOudERg5gdXA971btR+Q2V8GKbVbO5fGKL5phmEPVXyMs"
"rfjLdzQrgjOTxN8Pf6iuP+WFPvfnR9lDmNCFxJUVAdLIMnLuAdxf1TGcS+zzCzEE8btIZ99mHF"
"dGvPXeH8qLeNZA";
void decode_hex(
const char * input,
std::uint8_t * output, std::size_t output_length
) {
std::uint8_t * end = output + output_length;
while (output != end) {
char high = *(input++);
char low = *(input++);
if (high >= 'a') high -= 'a' - ('9' + 1);
if (low >= 'a') low -= 'a' - ('9' + 1);
uint8_t value = ((high - '0') << 4) | (low - '0');
*(output++) = value;
}
}
void decrypt_case(int message_type, const test_case * test_case) {
std::vector<std::uint8_t> session_memory(olm_session_size());
::OlmSession * session = ::olm_session(session_memory.data());
std::vector<std::uint8_t> pickled(strlen(session_data));
::memcpy(pickled.data(), session_data, pickled.size());
CHECK_NE(
::olm_error(),
::olm_unpickle_session(session, "", 0, pickled.data(), pickled.size())
);
std::size_t message_length = strlen(test_case->msghex) / 2;
std::uint8_t * message = (std::uint8_t *) ::malloc(message_length);
decode_hex(test_case->msghex, message, message_length);
size_t max_length = olm_decrypt_max_plaintext_length(
session, message_type, message, message_length
);
if (test_case->expected_error) {
CHECK_EQ(::olm_error(), max_length);
CHECK_EQ(
std::string(test_case->expected_error),
std::string(::olm_session_last_error(session))
);
free(message);
return;
}
CHECK_NE(::olm_error(), max_length);
std::vector<uint8_t> plaintext(max_length);
decode_hex(test_case->msghex, message, message_length);
olm_decrypt(
session, message_type,
message, message_length,
plaintext.data(), max_length
);
free(message);
}
TEST_CASE("Olm decrypt test") {
for (const auto& test_case : test_cases) {
CAPTURE(test_case.msghex);
decrypt_case(0, &test_case);
}
}
|
