Deprecate the low level IDEA functions.
[openssl.git] / test / ideatest.c
1 /*
2  * Copyright 1995-2017 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  * IDEA low level APIs are deprecated for public use, but still ok for internal
12  * use where we're using them to implement the higher level EVP interface, as is
13  * the case here.
14  */
15 #include "internal/deprecated.h"
16
17 #include <string.h>
18
19 #include "internal/nelem.h"
20 #include "testutil.h"
21
22 #ifndef OPENSSL_NO_IDEA
23 # include <openssl/idea.h>
24
25 static const unsigned char k[16] = {
26     0x00, 0x01, 0x00, 0x02, 0x00, 0x03, 0x00, 0x04,
27     0x00, 0x05, 0x00, 0x06, 0x00, 0x07, 0x00, 0x08
28 };
29
30 static const  unsigned char in[8] = { 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x03 };
31 static const unsigned char c[8] = { 0x11, 0xFB, 0xED, 0x2B, 0x01, 0x98, 0x6D, 0xE5 };
32
33 static unsigned char out[80];
34
35 static const unsigned char text[] = "Hello to all people out there";
36
37 static const unsigned char cfb_key[16] = {
38     0xe1, 0xf0, 0xc3, 0xd2, 0xa5, 0xb4, 0x87, 0x96,
39     0x69, 0x78, 0x4b, 0x5a, 0x2d, 0x3c, 0x0f, 0x1e,
40 };
41 static const unsigned char cfb_iv[80] =
42     { 0x34, 0x12, 0x78, 0x56, 0xab, 0x90, 0xef, 0xcd };
43 static unsigned char cfb_buf1[40], cfb_buf2[40], cfb_tmp[8];
44 # define CFB_TEST_SIZE 24
45 static const unsigned char plain[CFB_TEST_SIZE] = {
46     0x4e, 0x6f, 0x77, 0x20, 0x69, 0x73,
47     0x20, 0x74, 0x68, 0x65, 0x20, 0x74,
48     0x69, 0x6d, 0x65, 0x20, 0x66, 0x6f,
49     0x72, 0x20, 0x61, 0x6c, 0x6c, 0x20
50 };
51
52 static const unsigned char cfb_cipher64[CFB_TEST_SIZE] = {
53     0x59, 0xD8, 0xE2, 0x65, 0x00, 0x58, 0x6C, 0x3F,
54     0x2C, 0x17, 0x25, 0xD0, 0x1A, 0x38, 0xB7, 0x2A,
55     0x39, 0x61, 0x37, 0xDC, 0x79, 0xFB, 0x9F, 0x45
56 /*- 0xF9,0x78,0x32,0xB5,0x42,0x1A,0x6B,0x38,
57     0x9A,0x44,0xD6,0x04,0x19,0x43,0xC4,0xD9,
58     0x3D,0x1E,0xAE,0x47,0xFC,0xCF,0x29,0x0B,*/
59 };
60
61 static int test_idea_ecb(void)
62 {
63     IDEA_KEY_SCHEDULE key, dkey;
64
65     IDEA_set_encrypt_key(k, &key);
66     IDEA_ecb_encrypt(in, out, &key);
67     if (!TEST_mem_eq(out, IDEA_BLOCK, c, sizeof(c)))
68         return 0;
69
70     IDEA_set_decrypt_key(&key, &dkey);
71     IDEA_ecb_encrypt(c, out, &dkey);
72     return TEST_mem_eq(out, IDEA_BLOCK, in, sizeof(in));
73 }
74
75 static int test_idea_cbc(void)
76 {
77     IDEA_KEY_SCHEDULE key, dkey;
78     unsigned char iv[IDEA_BLOCK];
79     const size_t text_len = sizeof(text);
80
81     IDEA_set_encrypt_key(k, &key);
82     IDEA_set_decrypt_key(&key, &dkey);
83     memcpy(iv, k, sizeof(iv));
84     IDEA_cbc_encrypt(text, out, text_len, &key, iv, 1);
85     memcpy(iv, k, sizeof(iv));
86     IDEA_cbc_encrypt(out, out, IDEA_BLOCK, &dkey, iv, 0);
87     IDEA_cbc_encrypt(&out[8], &out[8], text_len - 8, &dkey, iv, 0);
88     return TEST_mem_eq(text, text_len, out, text_len);
89 }
90
91 static int test_idea_cfb64(void)
92 {
93     IDEA_KEY_SCHEDULE eks, dks;
94     int n;
95
96     IDEA_set_encrypt_key(cfb_key, &eks);
97     IDEA_set_decrypt_key(&eks, &dks);
98     memcpy(cfb_tmp, cfb_iv, sizeof(cfb_tmp));
99     n = 0;
100     IDEA_cfb64_encrypt(plain, cfb_buf1, (long)12, &eks,
101                        cfb_tmp, &n, IDEA_ENCRYPT);
102     IDEA_cfb64_encrypt(&plain[12], &cfb_buf1[12],
103                        (long)CFB_TEST_SIZE - 12, &eks,
104                        cfb_tmp, &n, IDEA_ENCRYPT);
105     if (!TEST_mem_eq(cfb_cipher64, CFB_TEST_SIZE, cfb_buf1, CFB_TEST_SIZE))
106         return 0;
107     memcpy(cfb_tmp, cfb_iv, sizeof(cfb_tmp));
108     n = 0;
109     IDEA_cfb64_encrypt(cfb_buf1, cfb_buf2, (long)13, &eks,
110                        cfb_tmp, &n, IDEA_DECRYPT);
111     IDEA_cfb64_encrypt(&cfb_buf1[13], &cfb_buf2[13],
112                        (long)CFB_TEST_SIZE - 13, &eks,
113                        cfb_tmp, &n, IDEA_DECRYPT);
114     return TEST_mem_eq(plain, CFB_TEST_SIZE, cfb_buf2, CFB_TEST_SIZE);
115 }
116 #endif
117
118 int setup_tests(void)
119 {
120 #ifndef OPENSSL_NO_IDEA
121     ADD_TEST(test_idea_ecb);
122     ADD_TEST(test_idea_cbc);
123     ADD_TEST(test_idea_cfb64);
124 #endif
125     return 1;
126 }