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78c5f1266f
Since the potential failure of the OSSL_PROVIDER_load(), for example there is no lock, the provider could fail to be loaded into the library context. Therefore, it should be better to check it and return error if fails. Also, in order to avoid free unknown pointer, 'c' should be initialized as NULL. Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Reviewed-by: Paul Dale <pauli@openssl.org> Reviewed-by: Shane Lontis <shane.lontis@oracle.com> (Merged from https://github.com/openssl/openssl/pull/17729)
99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
/*
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* Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*
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* MDC2 low level APIs are deprecated for public use, but still ok for
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* internal use.
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*/
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#include "internal/deprecated.h"
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#include <string.h>
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#include <openssl/provider.h>
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#include <openssl/params.h>
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#include <openssl/types.h>
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#include <openssl/core_names.h>
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#include "internal/nelem.h"
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#include "testutil.h"
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#if defined(OPENSSL_NO_DES) && !defined(OPENSSL_NO_MDC2)
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# define OPENSSL_NO_MDC2
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#endif
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#ifndef OPENSSL_NO_MDC2
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# include <openssl/evp.h>
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# include <openssl/mdc2.h>
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# ifdef CHARSET_EBCDIC
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# include <openssl/ebcdic.h>
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# endif
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static unsigned char pad1[16] = {
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0x42, 0xE5, 0x0C, 0xD2, 0x24, 0xBA, 0xCE, 0xBA,
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0x76, 0x0B, 0xDD, 0x2B, 0xD4, 0x09, 0x28, 0x1A
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};
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static unsigned char pad2[16] = {
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0x2E, 0x46, 0x79, 0xB5, 0xAD, 0xD9, 0xCA, 0x75,
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0x35, 0xD8, 0x7A, 0xFE, 0xAB, 0x33, 0xBE, 0xE2
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};
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static int test_mdc2(void)
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{
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int testresult = 0;
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unsigned int pad_type = 2;
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unsigned char md[MDC2_DIGEST_LENGTH];
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EVP_MD_CTX *c = NULL;
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static char text[] = "Now is the time for all ";
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size_t tlen = strlen(text), i = 0;
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OSSL_PROVIDER *prov = NULL;
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OSSL_PARAM params[2];
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params[i++] = OSSL_PARAM_construct_uint(OSSL_DIGEST_PARAM_PAD_TYPE,
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&pad_type),
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params[i++] = OSSL_PARAM_construct_end();
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prov = OSSL_PROVIDER_load(NULL, "legacy");
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if (!TEST_ptr(prov))
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goto end;
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# ifdef CHARSET_EBCDIC
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ebcdic2ascii(text, text, tlen);
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# endif
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c = EVP_MD_CTX_new();
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if (!TEST_ptr(c)
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|| !TEST_true(EVP_DigestInit_ex(c, EVP_mdc2(), NULL))
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|| !TEST_true(EVP_DigestUpdate(c, (unsigned char *)text, tlen))
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|| !TEST_true(EVP_DigestFinal_ex(c, &(md[0]), NULL))
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|| !TEST_mem_eq(md, MDC2_DIGEST_LENGTH, pad1, MDC2_DIGEST_LENGTH)
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|| !TEST_true(EVP_DigestInit_ex(c, EVP_mdc2(), NULL)))
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goto end;
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if (!TEST_int_gt(EVP_MD_CTX_set_params(c, params), 0)
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|| !TEST_true(EVP_DigestUpdate(c, (unsigned char *)text, tlen))
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|| !TEST_true(EVP_DigestFinal_ex(c, &(md[0]), NULL))
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|| !TEST_mem_eq(md, MDC2_DIGEST_LENGTH, pad2, MDC2_DIGEST_LENGTH))
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goto end;
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testresult = 1;
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end:
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EVP_MD_CTX_free(c);
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OSSL_PROVIDER_unload(prov);
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return testresult;
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}
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#endif
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int setup_tests(void)
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{
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#ifndef OPENSSL_NO_MDC2
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ADD_TEST(test_mdc2);
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#endif
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return 1;
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}
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