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