1 /*
2 * Copyright 1995-2024 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 };
44 static unsigned char cfb_buf1[40], cfb_buf2[40], cfb_tmp[8];
45 # define CFB_TEST_SIZE 24
46 static const unsigned char plain[CFB_TEST_SIZE] = {
47 0x4e, 0x6f, 0x77, 0x20, 0x69, 0x73,
48 0x20, 0x74, 0x68, 0x65, 0x20, 0x74,
49 0x69, 0x6d, 0x65, 0x20, 0x66, 0x6f,
50 0x72, 0x20, 0x61, 0x6c, 0x6c, 0x20
51 };
52
53 static const unsigned char cfb_cipher64[CFB_TEST_SIZE] = {
54 0x59, 0xD8, 0xE2, 0x65, 0x00, 0x58, 0x6C, 0x3F,
55 0x2C, 0x17, 0x25, 0xD0, 0x1A, 0x38, 0xB7, 0x2A,
56 0x39, 0x61, 0x37, 0xDC, 0x79, 0xFB, 0x9F, 0x45
57 /*- 0xF9,0x78,0x32,0xB5,0x42,0x1A,0x6B,0x38,
58 0x9A,0x44,0xD6,0x04,0x19,0x43,0xC4,0xD9,
59 0x3D,0x1E,0xAE,0x47,0xFC,0xCF,0x29,0x0B,*/
60 };
61
test_idea_ecb(void)62 static int test_idea_ecb(void)
63 {
64 IDEA_KEY_SCHEDULE key, dkey;
65
66 IDEA_set_encrypt_key(k, &key);
67 IDEA_ecb_encrypt(in, out, &key);
68 if (!TEST_mem_eq(out, IDEA_BLOCK, c, sizeof(c)))
69 return 0;
70
71 IDEA_set_decrypt_key(&key, &dkey);
72 IDEA_ecb_encrypt(c, out, &dkey);
73 return TEST_mem_eq(out, IDEA_BLOCK, in, sizeof(in));
74 }
75
test_idea_cbc(void)76 static int test_idea_cbc(void)
77 {
78 IDEA_KEY_SCHEDULE key, dkey;
79 unsigned char iv[IDEA_BLOCK];
80 const size_t text_len = sizeof(text);
81
82 IDEA_set_encrypt_key(k, &key);
83 IDEA_set_decrypt_key(&key, &dkey);
84 memcpy(iv, k, sizeof(iv));
85 IDEA_cbc_encrypt(text, out, text_len, &key, iv, 1);
86 memcpy(iv, k, sizeof(iv));
87 IDEA_cbc_encrypt(out, out, IDEA_BLOCK, &dkey, iv, 0);
88 IDEA_cbc_encrypt(&out[8], &out[8], text_len - 8, &dkey, iv, 0);
89 return TEST_mem_eq(text, text_len, out, text_len);
90 }
91
test_idea_cfb64(void)92 static int test_idea_cfb64(void)
93 {
94 IDEA_KEY_SCHEDULE eks, dks;
95 int n;
96
97 IDEA_set_encrypt_key(cfb_key, &eks);
98 IDEA_set_decrypt_key(&eks, &dks);
99 memcpy(cfb_tmp, cfb_iv, sizeof(cfb_tmp));
100 n = 0;
101 IDEA_cfb64_encrypt(plain, cfb_buf1, (long)12, &eks,
102 cfb_tmp, &n, IDEA_ENCRYPT);
103 IDEA_cfb64_encrypt(&plain[12], &cfb_buf1[12],
104 (long)CFB_TEST_SIZE - 12, &eks,
105 cfb_tmp, &n, IDEA_ENCRYPT);
106 if (!TEST_mem_eq(cfb_cipher64, CFB_TEST_SIZE, cfb_buf1, CFB_TEST_SIZE))
107 return 0;
108 memcpy(cfb_tmp, cfb_iv, sizeof(cfb_tmp));
109 n = 0;
110 IDEA_cfb64_encrypt(cfb_buf1, cfb_buf2, (long)13, &eks,
111 cfb_tmp, &n, IDEA_DECRYPT);
112 IDEA_cfb64_encrypt(&cfb_buf1[13], &cfb_buf2[13],
113 (long)CFB_TEST_SIZE - 13, &eks,
114 cfb_tmp, &n, IDEA_DECRYPT);
115 return TEST_mem_eq(plain, CFB_TEST_SIZE, cfb_buf2, CFB_TEST_SIZE);
116 }
117 #endif
118
setup_tests(void)119 int setup_tests(void)
120 {
121 #ifndef OPENSSL_NO_IDEA
122 ADD_TEST(test_idea_ecb);
123 ADD_TEST(test_idea_cbc);
124 ADD_TEST(test_idea_cfb64);
125 #endif
126 return 1;
127 }
128
