mirror of
https://github.com/ittiam-systems/libhevc.git
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69 lines
2 KiB
C++
69 lines
2 KiB
C++
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/******************************************************************************
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*
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* Copyright (C) 2026 Ittiam Systems Pvt Ltd, Bangalore
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#include "Md5Wrapper.h"
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#if defined(USE_LIGHTWEIGHT_MD5)
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#define MD5_IMPLEMENTATION
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#include "md5.h"
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typedef md5_context MD5_CTX;
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#define MD5_Init md5_init
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#define MD5_Update md5_update
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#define MD5_Final(digest, ctx) md5_finalize(ctx, digest)
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#define MD5_DIGEST_LENGTH MD5_SIZE
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#else
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#if defined(__GNUC__) || defined(__clang__)
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
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#endif
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#include <openssl/md5.h>
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#endif
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#include <iomanip>
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#include <sstream>
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Md5Wrapper::Md5Wrapper() { mContext = new MD5_CTX(); }
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Md5Wrapper::~Md5Wrapper() {
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if (mContext) {
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delete static_cast<MD5_CTX*>(mContext);
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}
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}
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void Md5Wrapper::init() { MD5_Init(static_cast<MD5_CTX*>(mContext)); }
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void Md5Wrapper::update(const uint8_t* data, size_t size) {
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MD5_Update(static_cast<MD5_CTX*>(mContext), data, size);
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}
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std::string Md5Wrapper::finalize() {
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unsigned char digest[MD5_DIGEST_LENGTH];
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MD5_Final(digest, static_cast<MD5_CTX*>(mContext));
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std::stringstream ss;
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for (int i = 0; i < MD5_DIGEST_LENGTH; ++i) {
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ss << std::hex << std::setw(2) << std::setfill('0')
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<< static_cast<int>(digest[i]);
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}
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return ss.str();
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}
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#if !defined(USE_LIGHTWEIGHT_MD5) && (defined(__GNUC__) || defined(__clang__))
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#pragma GCC diagnostic pop
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#endif
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