1 /*
2 * Copyright 1995-2022 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 * MDC2 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 #include <openssl/provider.h>
18 #include <openssl/params.h>
19 #include <openssl/types.h>
20 #include <openssl/core_names.h>
21 #include "testutil.h"
22
23 #if defined(OPENSSL_NO_DES) && !defined(OPENSSL_NO_MDC2)
24 # define OPENSSL_NO_MDC2
25 #endif
26
27 #ifndef OPENSSL_NO_MDC2
28 # include <openssl/evp.h>
29 # include <openssl/mdc2.h>
30
31 # ifdef CHARSET_EBCDIC
32 # include <openssl/ebcdic.h>
33 # endif
34
35 static unsigned char pad1[16] = {
36 0x42, 0xE5, 0x0C, 0xD2, 0x24, 0xBA, 0xCE, 0xBA,
37 0x76, 0x0B, 0xDD, 0x2B, 0xD4, 0x09, 0x28, 0x1A
38 };
39
40 static unsigned char pad2[16] = {
41 0x2E, 0x46, 0x79, 0xB5, 0xAD, 0xD9, 0xCA, 0x75,
42 0x35, 0xD8, 0x7A, 0xFE, 0xAB, 0x33, 0xBE, 0xE2
43 };
44
test_mdc2(void)45 static int test_mdc2(void)
46 {
47 int testresult = 0;
48 unsigned int pad_type = 2;
49 unsigned char md[MDC2_DIGEST_LENGTH];
50 EVP_MD_CTX *c = NULL;
51 static char text[] = "Now is the time for all ";
52 size_t tlen = strlen(text), i = 0;
53 OSSL_PROVIDER *prov = NULL;
54 OSSL_PARAM params[2];
55
56 params[i++] = OSSL_PARAM_construct_uint(OSSL_DIGEST_PARAM_PAD_TYPE,
57 &pad_type),
58 params[i++] = OSSL_PARAM_construct_end();
59
60 prov = OSSL_PROVIDER_load(NULL, "legacy");
61 if (!TEST_ptr(prov))
62 goto end;
63
64 # ifdef CHARSET_EBCDIC
65 ebcdic2ascii(text, text, tlen);
66 # endif
67
68 c = EVP_MD_CTX_new();
69 if (!TEST_ptr(c)
70 || !TEST_true(EVP_DigestInit_ex(c, EVP_mdc2(), NULL))
71 || !TEST_true(EVP_DigestUpdate(c, (unsigned char *)text, tlen))
72 || !TEST_true(EVP_DigestFinal_ex(c, &(md[0]), NULL))
73 || !TEST_mem_eq(md, MDC2_DIGEST_LENGTH, pad1, MDC2_DIGEST_LENGTH)
74 || !TEST_true(EVP_DigestInit_ex(c, EVP_mdc2(), NULL)))
75 goto end;
76
77 if (!TEST_int_gt(EVP_MD_CTX_set_params(c, params), 0)
78 || !TEST_true(EVP_DigestUpdate(c, (unsigned char *)text, tlen))
79 || !TEST_true(EVP_DigestFinal_ex(c, &(md[0]), NULL))
80 || !TEST_mem_eq(md, MDC2_DIGEST_LENGTH, pad2, MDC2_DIGEST_LENGTH))
81 goto end;
82
83 testresult = 1;
84 end:
85 EVP_MD_CTX_free(c);
86 OSSL_PROVIDER_unload(prov);
87 return testresult;
88 }
89 #endif
90
setup_tests(void)91 int setup_tests(void)
92 {
93 #ifndef OPENSSL_NO_MDC2
94 ADD_TEST(test_mdc2);
95 #endif
96 return 1;
97 }
98
