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 * RC4 and SHA-1 low level APIs are deprecated for public use, but still ok for
12 * internal use.
13 */
14 #include "internal/deprecated.h"
15
16 #include <string.h>
17
18 #include "internal/nelem.h"
19 #include "testutil.h"
20
21 #ifndef OPENSSL_NO_RC4
22 # include <openssl/rc4.h>
23 # include <openssl/sha.h>
24
25 static unsigned char keys[6][30] = {
26 {8, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
27 {8, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
28 {8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
29 {4, 0xef, 0x01, 0x23, 0x45},
30 {8, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
31 {4, 0xef, 0x01, 0x23, 0x45},
32 };
33
34 static unsigned char data_len[6] = { 8, 8, 8, 20, 28, 10 };
35
36 static unsigned char data[6][30] = {
37 {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xff},
38 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff},
39 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff},
40 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
41 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
42 0x00, 0x00, 0x00, 0x00, 0xff},
43 {0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0,
44 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0,
45 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0,
46 0x12, 0x34, 0x56, 0x78, 0xff},
47 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff},
48 };
49
50 static unsigned char output[6][30] = {
51 {0x75, 0xb7, 0x87, 0x80, 0x99, 0xe0, 0xc5, 0x96, 0x00},
52 {0x74, 0x94, 0xc2, 0xe7, 0x10, 0x4b, 0x08, 0x79, 0x00},
53 {0xde, 0x18, 0x89, 0x41, 0xa3, 0x37, 0x5d, 0x3a, 0x00},
54 {0xd6, 0xa1, 0x41, 0xa7, 0xec, 0x3c, 0x38, 0xdf,
55 0xbd, 0x61, 0x5a, 0x11, 0x62, 0xe1, 0xc7, 0xba,
56 0x36, 0xb6, 0x78, 0x58, 0x00},
57 {0x66, 0xa0, 0x94, 0x9f, 0x8a, 0xf7, 0xd6, 0x89,
58 0x1f, 0x7f, 0x83, 0x2b, 0xa8, 0x33, 0xc0, 0x0c,
59 0x89, 0x2e, 0xbe, 0x30, 0x14, 0x3c, 0xe2, 0x87,
60 0x40, 0x01, 0x1e, 0xcf, 0x00},
61 {0xd6, 0xa1, 0x41, 0xa7, 0xec, 0x3c, 0x38, 0xdf, 0xbd, 0x61, 0x00},
62 };
63
test_rc4_encrypt(const int i)64 static int test_rc4_encrypt(const int i)
65 {
66 unsigned char obuf[512];
67 RC4_KEY key;
68
69 RC4_set_key(&key, keys[i][0], &(keys[i][1]));
70 memset(obuf, 0, sizeof(obuf));
71 RC4(&key, data_len[i], &(data[i][0]), obuf);
72 return TEST_mem_eq(obuf, data_len[i] + 1, output[i], data_len[i] + 1);
73 }
74
test_rc4_end_processing(const int i)75 static int test_rc4_end_processing(const int i)
76 {
77 unsigned char obuf[512];
78 RC4_KEY key;
79
80 RC4_set_key(&key, keys[3][0], &(keys[3][1]));
81 memset(obuf, 0, sizeof(obuf));
82 RC4(&key, i, &(data[3][0]), obuf);
83 if (!TEST_mem_eq(obuf, i, output[3], i))
84 return 0;
85 return TEST_uchar_eq(obuf[i], 0);
86 }
87
test_rc4_multi_call(const int i)88 static int test_rc4_multi_call(const int i)
89 {
90 unsigned char obuf[512];
91 RC4_KEY key;
92
93 RC4_set_key(&key, keys[3][0], &(keys[3][1]));
94 memset(obuf, 0, sizeof(obuf));
95 RC4(&key, i, &(data[3][0]), obuf);
96 RC4(&key, data_len[3] - i, &(data[3][i]), &(obuf[i]));
97 return TEST_mem_eq(obuf, data_len[3] + 1, output[3], data_len[3] + 1);
98 }
99
test_rc_bulk(void)100 static int test_rc_bulk(void)
101 {
102 RC4_KEY key;
103 unsigned char buf[513];
104 SHA_CTX c;
105 unsigned char md[SHA_DIGEST_LENGTH];
106 int i;
107 static unsigned char expected[] = {
108 0xa4, 0x7b, 0xcc, 0x00, 0x3d, 0xd0, 0xbd, 0xe1, 0xac, 0x5f,
109 0x12, 0x1e, 0x45, 0xbc, 0xfb, 0x1a, 0xa1, 0xf2, 0x7f, 0xc5
110 };
111
112 RC4_set_key(&key, keys[0][0], &(keys[3][1]));
113 memset(buf, 0, sizeof(buf));
114 SHA1_Init(&c);
115 for (i = 0; i < 2571; i++) {
116 RC4(&key, sizeof(buf), buf, buf);
117 SHA1_Update(&c, buf, sizeof(buf));
118 }
119 SHA1_Final(md, &c);
120
121 return TEST_mem_eq(md, sizeof(md), expected, sizeof(expected));
122 }
123 #endif
124
setup_tests(void)125 int setup_tests(void)
126 {
127 #ifndef OPENSSL_NO_RC4
128 ADD_ALL_TESTS(test_rc4_encrypt, OSSL_NELEM(data_len));
129 ADD_ALL_TESTS(test_rc4_end_processing, data_len[3]);
130 ADD_ALL_TESTS(test_rc4_multi_call, data_len[3]);
131 ADD_TEST(test_rc_bulk);
132 #endif
133 return 1;
134 }
135