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

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