PDBChecksum.hpp

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/* Copyright 2017 - 2026 R. Thomas
 * Copyright 2017 - 2026 Quarkslab
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef LIEF_PE_PDBCHECKSUM_H
#define LIEF_PE_PDBCHECKSUM_H
#include <vector>
 
#include "LIEF/compiler_attributes.hpp"
#include "LIEF/visibility.h"
#include "LIEF/PE/debug/Debug.hpp"
 
namespace LIEF {
namespace PE {

class LIEF_API PDBChecksum : public Debug {
  public:
  static std::unique_ptr<PDBChecksum>
      parse(const details::pe_debug& hdr, Section* section, span<uint8_t> payload);
 
  enum class HASH_ALGO : uint32_t {
    UNKNOWN = 0,
    SHA256,
  };
 
  PDBChecksum(HASH_ALGO algo, std::vector<uint8_t> hash) :
    Debug(Debug::TYPES::PDBCHECKSUM),
    algo_(algo),
    hash_(std::move(hash)) {}
 
  PDBChecksum(const details::pe_debug& dbg, Section* sec, HASH_ALGO algo,
              std::vector<uint8_t> hash) :
    Debug(dbg, sec),
    algo_(algo),
    hash_(std::move(hash)) {}
 
  PDBChecksum(const PDBChecksum& other) = default;
  PDBChecksum& operator=(const PDBChecksum& other) = default;
 
  PDBChecksum(PDBChecksum&&) = default;
  PDBChecksum& operator=(PDBChecksum&& other) = default;
 
  std::unique_ptr<Debug> clone() const override {
    return std::unique_ptr<Debug>(new PDBChecksum(*this));
  }

  span<const uint8_t> hash() const LIEF_LIFETIMEBOUND {
    return hash_;
  }
 
  span<uint8_t> hash() LIEF_LIFETIMEBOUND {
    return hash_;
  }
 
  void hash(std::vector<uint8_t> h) {
    hash_ = std::move(h);
  }

  HASH_ALGO algorithm() const {
    return algo_;
  }
 
  void algorithm(HASH_ALGO algo) {
    algo_ = algo;
  }
 
  static bool classof(const Debug* debug) {
    return debug->type() == Debug::TYPES::PDBCHECKSUM;
  }
 
  ~PDBChecksum() override = default;
 
  std::string to_string() const override;
 
  private:
  HASH_ALGO algo_ = HASH_ALGO::UNKNOWN;
  std::vector<uint8_t> hash_;
};
 
LIEF_API const char* to_string(PDBChecksum::HASH_ALGO e);
 
}
}
 
#endif