1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (c) 2021 Steffen Jaeckel
4  *
5  * Unit test for crypt-style password hashing
6  */
7 
8 #include <common.h>
9 #include <test/lib.h>
10 #include <test/test.h>
11 #include <test/ut.h>
12 
13 #include <crypt.h>
14 
15 /**
16  * lib_crypt() - unit test for crypt-style password hashing
17  *
18  * @uts:	unit test state
19  * Return:	0 = success, 1 = failure
20  */
lib_crypt(struct unit_test_state * uts)21 static int lib_crypt(struct unit_test_state *uts)
22 {
23 	int equals = 0;
24 	int err;
25 
26 	err = crypt_compare("", "password", &equals);
27 	ut_assertf(err != 0, "crypt_compare successful but should not\n");
28 	ut_assertf(equals != 1,
29 		   "crypt_compare password hash matched but should not\n");
30 
31 	if (IS_ENABLED(CONFIG_CRYPT_PW_SHA256)) {
32 		err = crypt_compare("$5$", "password", &equals);
33 		ut_assertf(err == 0, "crypt-sha256 not successful\n");
34 		ut_assertf(
35 			equals != 1,
36 			"crypt-sha256 password hash matched but should not\n");
37 
38 		err = crypt_compare(
39 			"$5$rounds=640000$TM4lL4zXDG7F4aRX$JM7a9wmvodnA0WasjTztj6mxg.KVuk6doQ/eBhdcapB",
40 			"password", &equals);
41 		ut_assertf(err == 0, "crypt-sha256 failed: %d\n", err);
42 		ut_assertf(equals == 1,
43 			   "crypt-sha256 password hash didn't match\n");
44 	}
45 	equals = 0;
46 	if (IS_ENABLED(CONFIG_CRYPT_PW_SHA512)) {
47 		err = crypt_compare("$6$", "password", &equals);
48 		ut_assertf(err == 0, "crypt-sha512 not successful\n");
49 		ut_assertf(
50 			equals != 1,
51 			"crypt-sha512 password hash matched but should not\n");
52 
53 		err = crypt_compare(
54 			"$6$rounds=640000$fCTP1F0N5JLq2eND$z5EzK5KZJA9JnOaj5d1Gg/2v6VqFOQJ3bVekWuCPauabutBt/8qzV1exJnytUyhbq3H0bSBXtodwNbtGEi/Tm/",
55 			"password", &equals);
56 		ut_assertf(err == 0, "crypt-sha512 failed: %d\n", err);
57 		ut_assertf(equals == 1,
58 			   "crypt-sha512 password hash didn't match\n");
59 	}
60 
61 	return CMD_RET_SUCCESS;
62 }
63 
64 LIB_TEST(lib_crypt, 0);
65