/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef enctool_h__
#define enctool_h__
#include <string>
#include <vector>
#include "argparse.h"
#include "nss_scoped_ptrs.h"
#include "prerror.h"
#include "tool.h"
class EncTool :
public Tool {
public:
bool Run(
const std::vector<std::string>& arguments) override;
void Usage() override;
private:
typedef bool (EncTool::*key_func_t)(
const std::vector<uint8_t>& aad,
ScopedSECItem& chacha_key,
ScopedSECItem& params);
void PrintBytes(
const std::vector<uint8_t>& bytes,
const std::string& txt);
bool WriteBytes(
const std::vector<uint8_t>& bytes, std::string out_file);
void PrintError(
const std::string& m, PRErrorCode err, size_t line_number);
void PrintError(
const std::string& m, size_t line_number);
bool GetKey(
const std::vector<uint8_t>& key_bytes, ScopedSECItem& key_item);
bool GetAesGcmKey(
const std::vector<uint8_t>& aad,
const std::vector<uint8_t>& iv_bytes,
const std::vector<uint8_t>& key_bytes,
ScopedSECItem& aes_key, ScopedSECItem& params);
bool GetChachaKey(
const std::vector<uint8_t>& aad,
const std::vector<uint8_t>& iv_bytes,
const std::vector<uint8_t>& key_bytes,
ScopedSECItem& chacha_key, ScopedSECItem& params);
bool GenerateAesGcmKey(
const std::vector<uint8_t>& aad,
ScopedSECItem& aes_key, ScopedSECItem& params);
bool ReadAesGcmKey(
const std::vector<uint8_t>& aad, ScopedSECItem& aes_key,
ScopedSECItem& params);
std::vector<uint8_t> GenerateRandomness(size_t num_bytes);
bool GenerateChachaKey(
const std::vector<uint8_t>& aad,
ScopedSECItem& chacha_key, ScopedSECItem& params);
bool ReadChachaKey(
const std::vector<uint8_t>& aad, ScopedSECItem& chacha_key,
ScopedSECItem& params);
bool DoCipher(std::string fileName, std::string outFile,
bool encrypt,
key_func_t get_params);
size_t PrintFileSize(std::string fileName);
bool IsValidCommand(ArgParser arguments);
bool debug_ =
false;
bool write_key_ =
true;
bool write_iv_ =
true;
std::string key_file_ =
"/tmp/key";
std::string iv_file_ =
"/tmp/iv";
CK_MECHANISM_TYPE cipher_mech_;
const std::string kAESCommand =
"aes";
const std::string kChaChaCommand =
"chacha";
};
#endif // enctool_h__