73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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#include <kunit/test.h>
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#include "protocol.h"
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struct test_case {
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char *key;
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char *msg;
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char *result;
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};
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/* we can't reuse RFC 4231 test vectors, as we have constraint on the
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* input and key size.
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*/
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static struct test_case tests[] = {
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{
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.key = "0b0b0b0b0b0b0b0b",
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.msg = "48692054",
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.result = "8385e24fb4235ac37556b6b886db106284a1da671699f46db1f235ec622dcafa",
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},
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{
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.key = "aaaaaaaaaaaaaaaa",
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.msg = "dddddddd",
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.result = "2c5e219164ff1dca1c4a92318d847bb6b9d44492984e1eb71aff9022f71046e9",
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},
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{
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.key = "0102030405060708",
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.msg = "cdcdcdcd",
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.result = "e73b9ba9969969cefb04aa0d6df18ec2fcc075b6f23b4d8c4da736a5dbbc6e7d",
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},
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};
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static void mptcp_crypto_test_basic(struct kunit *test)
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{
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char hmac[32], hmac_hex[65];
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u32 nonce1, nonce2;
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u64 key1, key2;
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u8 msg[8];
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int i, j;
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for (i = 0; i < ARRAY_SIZE(tests); ++i) {
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/* mptcp hmap will convert to be before computing the hmac */
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key1 = be64_to_cpu(*((__be64 *)&tests[i].key[0]));
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key2 = be64_to_cpu(*((__be64 *)&tests[i].key[8]));
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nonce1 = be32_to_cpu(*((__be32 *)&tests[i].msg[0]));
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nonce2 = be32_to_cpu(*((__be32 *)&tests[i].msg[4]));
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put_unaligned_be32(nonce1, &msg[0]);
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put_unaligned_be32(nonce2, &msg[4]);
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mptcp_crypto_hmac_sha(key1, key2, msg, 8, hmac);
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for (j = 0; j < 32; ++j)
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sprintf(&hmac_hex[j << 1], "%02x", hmac[j] & 0xff);
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hmac_hex[64] = 0;
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KUNIT_EXPECT_STREQ(test, &hmac_hex[0], tests[i].result);
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}
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}
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static struct kunit_case mptcp_crypto_test_cases[] = {
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KUNIT_CASE(mptcp_crypto_test_basic),
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{}
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};
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static struct kunit_suite mptcp_crypto_suite = {
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.name = "mptcp-crypto",
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.test_cases = mptcp_crypto_test_cases,
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};
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kunit_test_suite(mptcp_crypto_suite);
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MODULE_LICENSE("GPL");
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