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lief-project-LIEF/include/LIEF/MachO/EncryptionInfo.hpp
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2026-01-11 22:04:09 +01:00

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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_MACHO_ENCRYPTION_INFO_COMMAND_H
#define LIEF_MACHO_ENCRYPTION_INFO_COMMAND_H
#include <ostream>
#include "LIEF/visibility.h"
#include "LIEF/MachO/LoadCommand.hpp"
namespace LIEF {
namespace MachO {
namespace details {
struct encryption_info_command;
}
/// Class that represents the LC_ENCRYPTION_INFO / LC_ENCRYPTION_INFO_64 commands
///
/// The encryption info is usually present in Mach-O executables that
/// target iOS to encrypt some sections of the binary
class LIEF_API EncryptionInfo : public LoadCommand {
public:
EncryptionInfo() = default;
EncryptionInfo(const details::encryption_info_command& cmd);
EncryptionInfo& operator=(const EncryptionInfo& copy) = default;
EncryptionInfo(const EncryptionInfo& copy) = default;
~EncryptionInfo() override = default;
std::unique_ptr<LoadCommand> clone() const override {
return std::unique_ptr<EncryptionInfo>(new EncryptionInfo(*this));
}
/// The beginning of the encrypted area
uint32_t crypt_offset() const {
return coff_;
}
/// The size of the encrypted area
uint32_t crypt_size() const {
return csize_;
}
/// The encryption system. 0 means no encrypted
uint32_t crypt_id() const {
return cid_;
}
void crypt_offset(uint32_t offset) {
coff_ = offset;
}
void crypt_size(uint32_t size) {
csize_ = size;
}
void crypt_id(uint32_t id) {
cid_ = id;
}
void accept(Visitor& visitor) const override;
std::ostream& print(std::ostream& os) const override;
static bool classof(const LoadCommand* cmd) {
const LoadCommand::TYPE type = cmd->command();
return type == LoadCommand::TYPE::ENCRYPTION_INFO ||
type == LoadCommand::TYPE::ENCRYPTION_INFO_64;
}
private:
uint32_t coff_ = 0;
uint32_t csize_ = 0;
uint32_t cid_ = 0;
};
}
}
#endif