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 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 91 int setup_tests(void) 92 { 93 #ifndef OPENSSL_NO_MDC2 94 ADD_TEST(test_mdc2); 95 #endif 96 return 1; 97 } 98