1 /*
2 * Copyright (c) 2021 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
16 #include "types_export.h"
17
18 #include <algorithm>
19 #include <cstring>
20
21 namespace DistributedDB {
22 const size_t CipherPassword::MAX_PASSWORD_SIZE;
23
CipherPassword()24 CipherPassword::CipherPassword()
25 {}
26
~CipherPassword()27 CipherPassword::~CipherPassword()
28 {
29 (void)Clear();
30 }
31
operator ==(const CipherPassword & input) const32 bool CipherPassword::operator==(const CipherPassword &input) const
33 {
34 if (size_ != input.GetSize()) {
35 return false;
36 }
37 return memcmp(data_, input.GetData(), size_) == 0;
38 }
39
operator !=(const CipherPassword & input) const40 bool CipherPassword::operator!=(const CipherPassword &input) const
41 {
42 return !(*this == input);
43 }
44
GetSize() const45 size_t CipherPassword::GetSize() const
46 {
47 return size_;
48 }
49
GetData() const50 const uint8_t* CipherPassword::GetData() const
51 {
52 return data_;
53 }
54
SetValue(const uint8_t * inputData,size_t inputSize)55 int CipherPassword::SetValue(const uint8_t *inputData, size_t inputSize)
56 {
57 if (inputSize > MAX_PASSWORD_SIZE) {
58 return ErrorCode::OVERSIZE;
59 }
60 if (inputSize != 0 && inputData == nullptr) {
61 return ErrorCode::INVALID_INPUT;
62 }
63
64 if (inputSize != 0) {
65 std::copy(inputData, inputData + inputSize, data_);
66 }
67
68 size_t filledSize = std::min(size_, MAX_PASSWORD_SIZE);
69 if (inputSize < filledSize) {
70 std::fill(data_ + inputSize, data_ + filledSize, UCHAR_MAX);
71 }
72
73 size_ = inputSize;
74 return ErrorCode::OK;
75 }
76
Clear()77 int CipherPassword::Clear()
78 {
79 return SetValue(nullptr, 0);
80 }
81 } // namespace DistributedDB