crypto_test.c (1747B)
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");