xref: /openssl/test/rc4test.c (revision 33388b44)
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