1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include <kunit/test.h>
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun #include "protocol.h"
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun struct test_case {
7*4882a593Smuzhiyun char *key;
8*4882a593Smuzhiyun char *msg;
9*4882a593Smuzhiyun char *result;
10*4882a593Smuzhiyun };
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun /* we can't reuse RFC 4231 test vectors, as we have constraint on the
13*4882a593Smuzhiyun * input and key size.
14*4882a593Smuzhiyun */
15*4882a593Smuzhiyun static struct test_case tests[] = {
16*4882a593Smuzhiyun {
17*4882a593Smuzhiyun .key = "0b0b0b0b0b0b0b0b",
18*4882a593Smuzhiyun .msg = "48692054",
19*4882a593Smuzhiyun .result = "8385e24fb4235ac37556b6b886db106284a1da671699f46db1f235ec622dcafa",
20*4882a593Smuzhiyun },
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun .key = "aaaaaaaaaaaaaaaa",
23*4882a593Smuzhiyun .msg = "dddddddd",
24*4882a593Smuzhiyun .result = "2c5e219164ff1dca1c4a92318d847bb6b9d44492984e1eb71aff9022f71046e9",
25*4882a593Smuzhiyun },
26*4882a593Smuzhiyun {
27*4882a593Smuzhiyun .key = "0102030405060708",
28*4882a593Smuzhiyun .msg = "cdcdcdcd",
29*4882a593Smuzhiyun .result = "e73b9ba9969969cefb04aa0d6df18ec2fcc075b6f23b4d8c4da736a5dbbc6e7d",
30*4882a593Smuzhiyun },
31*4882a593Smuzhiyun };
32*4882a593Smuzhiyun
mptcp_crypto_test_basic(struct kunit * test)33*4882a593Smuzhiyun static void mptcp_crypto_test_basic(struct kunit *test)
34*4882a593Smuzhiyun {
35*4882a593Smuzhiyun char hmac[32], hmac_hex[65];
36*4882a593Smuzhiyun u32 nonce1, nonce2;
37*4882a593Smuzhiyun u64 key1, key2;
38*4882a593Smuzhiyun u8 msg[8];
39*4882a593Smuzhiyun int i, j;
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun for (i = 0; i < ARRAY_SIZE(tests); ++i) {
42*4882a593Smuzhiyun /* mptcp hmap will convert to be before computing the hmac */
43*4882a593Smuzhiyun key1 = be64_to_cpu(*((__be64 *)&tests[i].key[0]));
44*4882a593Smuzhiyun key2 = be64_to_cpu(*((__be64 *)&tests[i].key[8]));
45*4882a593Smuzhiyun nonce1 = be32_to_cpu(*((__be32 *)&tests[i].msg[0]));
46*4882a593Smuzhiyun nonce2 = be32_to_cpu(*((__be32 *)&tests[i].msg[4]));
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun put_unaligned_be32(nonce1, &msg[0]);
49*4882a593Smuzhiyun put_unaligned_be32(nonce2, &msg[4]);
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun mptcp_crypto_hmac_sha(key1, key2, msg, 8, hmac);
52*4882a593Smuzhiyun for (j = 0; j < 32; ++j)
53*4882a593Smuzhiyun sprintf(&hmac_hex[j << 1], "%02x", hmac[j] & 0xff);
54*4882a593Smuzhiyun hmac_hex[64] = 0;
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun KUNIT_EXPECT_STREQ(test, &hmac_hex[0], tests[i].result);
57*4882a593Smuzhiyun }
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun static struct kunit_case mptcp_crypto_test_cases[] = {
61*4882a593Smuzhiyun KUNIT_CASE(mptcp_crypto_test_basic),
62*4882a593Smuzhiyun {}
63*4882a593Smuzhiyun };
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun static struct kunit_suite mptcp_crypto_suite = {
66*4882a593Smuzhiyun .name = "mptcp-crypto",
67*4882a593Smuzhiyun .test_cases = mptcp_crypto_test_cases,
68*4882a593Smuzhiyun };
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun kunit_test_suite(mptcp_crypto_suite);
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun MODULE_LICENSE("GPL");
73