mirror of https://github.com/tfussell/xlnt
98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
// Copyright (c) 2017-2018 Thomas Fussell
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, WRISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE
|
|
//
|
|
// @license: http://www.opensource.org/licenses/mit-license.php
|
|
// @author: see AUTHORS file
|
|
|
|
#include <cstdint>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include <detail/cryptography/cipher.hpp>
|
|
#include <detail/cryptography/hash.hpp>
|
|
|
|
namespace xlnt {
|
|
namespace detail {
|
|
|
|
struct encryption_info
|
|
{
|
|
bool is_agile = true;
|
|
|
|
std::u16string password;
|
|
|
|
struct standard_encryption_info
|
|
{
|
|
std::size_t spin_count = 50000;
|
|
std::size_t block_size;
|
|
std::size_t key_bits;
|
|
std::size_t key_bytes;
|
|
std::size_t hash_size;
|
|
cipher_algorithm cipher;
|
|
cipher_chaining chaining;
|
|
hash_algorithm hash = hash_algorithm::sha1;
|
|
std::vector<std::uint8_t> salt;
|
|
std::vector<std::uint8_t> encrypted_verifier;
|
|
std::vector<std::uint8_t> encrypted_verifier_hash;
|
|
} standard;
|
|
|
|
struct agile_encryption_info
|
|
{
|
|
// key data
|
|
struct
|
|
{
|
|
std::size_t salt_size;
|
|
std::size_t block_size;
|
|
std::size_t key_bits;
|
|
std::size_t hash_size;
|
|
std::string cipher_algorithm;
|
|
std::string cipher_chaining;
|
|
std::string hash_algorithm;
|
|
std::vector<std::uint8_t> salt_value;
|
|
} key_data;
|
|
|
|
struct
|
|
{
|
|
std::vector<std::uint8_t> hmac_key;
|
|
std::vector<std::uint8_t> hmac_value;
|
|
} data_integrity;
|
|
|
|
struct
|
|
{
|
|
std::size_t spin_count;
|
|
std::size_t salt_size;
|
|
std::size_t block_size;
|
|
std::size_t key_bits;
|
|
std::size_t hash_size;
|
|
std::string cipher_algorithm;
|
|
std::string cipher_chaining;
|
|
hash_algorithm hash;
|
|
std::vector<std::uint8_t> salt_value;
|
|
std::vector<std::uint8_t> verifier_hash_input;
|
|
std::vector<std::uint8_t> verifier_hash_value;
|
|
std::vector<std::uint8_t> encrypted_key_value;
|
|
} key_encryptor;
|
|
} agile;
|
|
|
|
std::vector<std::uint8_t> calculate_key() const;
|
|
};
|
|
|
|
} // namespace detail
|
|
} // namespace xlnt
|