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1 | /* | |
2 | * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. | |
3 | * | |
4 | * Licensed under the Apache License 2.0 (the "License"). You may not use | |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
8 | */ | |
9 | ||
10 | /* | |
11 | * CAST low level APIs are deprecated for public use, but still ok for | |
12 | * internal use. | |
13 | */ | |
14 | #include "internal/deprecated.h" | |
15 | ||
16 | #include <stdio.h> | |
17 | #include <string.h> | |
18 | #include <stdlib.h> | |
19 | ||
20 | #include <openssl/opensslconf.h> /* To see if OPENSSL_NO_CAST is defined */ | |
21 | #include "internal/nelem.h" | |
22 | #include "testutil.h" | |
23 | ||
24 | #ifndef OPENSSL_NO_CAST | |
25 | # include <openssl/cast.h> | |
26 | ||
27 | static unsigned char k[16] = { | |
28 | 0x01, 0x23, 0x45, 0x67, 0x12, 0x34, 0x56, 0x78, | |
29 | 0x23, 0x45, 0x67, 0x89, 0x34, 0x56, 0x78, 0x9A | |
30 | }; | |
31 | ||
32 | static unsigned char in[8] = | |
33 | { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF }; | |
34 | ||
35 | static int k_len[3] = { 16, 10, 5 }; | |
36 | ||
37 | static unsigned char c[3][8] = { | |
38 | {0x23, 0x8B, 0x4F, 0xE5, 0x84, 0x7E, 0x44, 0xB2}, | |
39 | {0xEB, 0x6A, 0x71, 0x1A, 0x2C, 0x02, 0x27, 0x1B}, | |
40 | {0x7A, 0xC8, 0x16, 0xD1, 0x6E, 0x9B, 0x30, 0x2E}, | |
41 | }; | |
42 | ||
43 | static unsigned char in_a[16] = { | |
44 | 0x01, 0x23, 0x45, 0x67, 0x12, 0x34, 0x56, 0x78, | |
45 | 0x23, 0x45, 0x67, 0x89, 0x34, 0x56, 0x78, 0x9A | |
46 | }; | |
47 | ||
48 | static unsigned char in_b[16] = { | |
49 | 0x01, 0x23, 0x45, 0x67, 0x12, 0x34, 0x56, 0x78, | |
50 | 0x23, 0x45, 0x67, 0x89, 0x34, 0x56, 0x78, 0x9A | |
51 | }; | |
52 | ||
53 | static unsigned char c_a[16] = { | |
54 | 0xEE, 0xA9, 0xD0, 0xA2, 0x49, 0xFD, 0x3B, 0xA6, | |
55 | 0xB3, 0x43, 0x6F, 0xB8, 0x9D, 0x6D, 0xCA, 0x92 | |
56 | }; | |
57 | ||
58 | static unsigned char c_b[16] = { | |
59 | 0xB2, 0xC9, 0x5E, 0xB0, 0x0C, 0x31, 0xAD, 0x71, | |
60 | 0x80, 0xAC, 0x05, 0xB8, 0xE8, 0x3D, 0x69, 0x6E | |
61 | }; | |
62 | ||
63 | static int cast_test_vector(int z) | |
64 | { | |
65 | int testresult = 1; | |
66 | CAST_KEY key; | |
67 | unsigned char out[80]; | |
68 | ||
69 | CAST_set_key(&key, k_len[z], k); | |
70 | CAST_ecb_encrypt(in, out, &key, CAST_ENCRYPT); | |
71 | if (!TEST_mem_eq(out, sizeof(c[z]), c[z], sizeof(c[z]))) { | |
72 | TEST_info("CAST_ENCRYPT iteration %d failed (len=%d)", z, k_len[z]); | |
73 | testresult = 0; | |
74 | } | |
75 | ||
76 | CAST_ecb_encrypt(out, out, &key, CAST_DECRYPT); | |
77 | if (!TEST_mem_eq(out, sizeof(in), in, sizeof(in))) { | |
78 | TEST_info("CAST_DECRYPT iteration %d failed (len=%d)", z, k_len[z]); | |
79 | testresult = 0; | |
80 | } | |
81 | return testresult; | |
82 | } | |
83 | ||
84 | static int cast_test_iterations(void) | |
85 | { | |
86 | long l; | |
87 | int testresult = 1; | |
88 | CAST_KEY key, key_b; | |
89 | unsigned char out_a[16], out_b[16]; | |
90 | ||
91 | memcpy(out_a, in_a, sizeof(in_a)); | |
92 | memcpy(out_b, in_b, sizeof(in_b)); | |
93 | ||
94 | for (l = 0; l < 1000000L; l++) { | |
95 | CAST_set_key(&key_b, 16, out_b); | |
96 | CAST_ecb_encrypt(&(out_a[0]), &(out_a[0]), &key_b, CAST_ENCRYPT); | |
97 | CAST_ecb_encrypt(&(out_a[8]), &(out_a[8]), &key_b, CAST_ENCRYPT); | |
98 | CAST_set_key(&key, 16, out_a); | |
99 | CAST_ecb_encrypt(&(out_b[0]), &(out_b[0]), &key, CAST_ENCRYPT); | |
100 | CAST_ecb_encrypt(&(out_b[8]), &(out_b[8]), &key, CAST_ENCRYPT); | |
101 | } | |
102 | ||
103 | if (!TEST_mem_eq(out_a, sizeof(c_a), c_a, sizeof(c_a)) | |
104 | || !TEST_mem_eq(out_b, sizeof(c_b), c_b, sizeof(c_b))) | |
105 | testresult = 0; | |
106 | ||
107 | return testresult; | |
108 | } | |
109 | #endif | |
110 | ||
111 | int setup_tests(void) | |
112 | { | |
113 | #ifndef OPENSSL_NO_CAST | |
114 | ADD_ALL_TESTS(cast_test_vector, OSSL_NELEM(k_len)); | |
115 | ADD_TEST(cast_test_iterations); | |
116 | #endif | |
117 | return 1; | |
118 | } |