1 /*
2 * Copyright (c) 2024-2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #include "digest_parameter.h"
16 #include "openssl/evp.h"
17
18 namespace OHOS {
19 namespace SignatureTools {
DigestParameter()20 DigestParameter::DigestParameter() : digestOutputSizeBytes(0), md(nullptr), ctxPtr(nullptr)
21 {
22 }
23
~DigestParameter()24 DigestParameter::~DigestParameter()
25 {
26 if (ctxPtr != nullptr) {
27 EVP_MD_CTX_destroy(ctxPtr);
28 ctxPtr = nullptr;
29 }
30 /* md points to the OpenSSL global static struct constant, no need to free. */
31 md = nullptr;
32 }
33
DigestParameter(const DigestParameter& other)34 DigestParameter::DigestParameter(const DigestParameter& other)
35 {
36 digestOutputSizeBytes = other.digestOutputSizeBytes;
37 md = other.md;
38 ctxPtr = EVP_MD_CTX_create();
39 EVP_MD_CTX_copy(ctxPtr, other.ctxPtr);
40 }
41
operator =(const DigestParameter& other)42 DigestParameter& DigestParameter::operator = (const DigestParameter& other)
43 {
44 if (ctxPtr != nullptr) {
45 EVP_MD_CTX_destroy(ctxPtr);
46 ctxPtr = nullptr;
47 }
48 digestOutputSizeBytes = other.digestOutputSizeBytes;
49 md = other.md;
50 ctxPtr = EVP_MD_CTX_create();
51 EVP_MD_CTX_copy(ctxPtr, other.ctxPtr);
52 return *this;
53 }
54 }
55 }