diff options
Diffstat (limited to 'utils/file/aes128ecb_decrypt_file.cpp')
-rw-r--r-- | utils/file/aes128ecb_decrypt_file.cpp | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/utils/file/aes128ecb_decrypt_file.cpp b/utils/file/aes128ecb_decrypt_file.cpp deleted file mode 100644 index 9b8b15c..0000000 --- a/utils/file/aes128ecb_decrypt_file.cpp +++ /dev/null @@ -1,104 +0,0 @@ -/** - * \file - * \author Egor Tensin <Egor.Tensin@gmail.com> - * \date 2015 - * \copyright This file is licensed under the terms of the MIT License. - * See LICENSE.txt for details. - */ - -#include <aesni/all.h> -#include <aesnixx/all.hpp> - -#include <cstdlib> - -#include <exception> -#include <iostream> -#include <fstream> -#include <string> -#include <vector> - -namespace -{ - void exit_with_usage() - { - std::cout << "Usage: aes128ecb_decrypt_file.exe KEY SRC DEST\n"; - std::exit(EXIT_FAILURE); - } - - std::ifstream::pos_type get_file_size(const std::string& path) - { - std::ifstream ifs; - ifs.exceptions(std::ifstream::badbit | std::ifstream::failbit); - ifs.open(path, std::ifstream::binary | std::ifstream::ate); - return ifs.tellg(); - } -} - -int main(int argc, char** argv) -{ - if (argc != 4) - exit_with_usage(); - - try - { - aesni::aes::Key128 key; - aesni::aes::from_string(key, argv[1]); - - aesni::aes::RoundKeys128 encryption_keys, decryption_keys; - - const std::string src_path(argv[2]); - const std::string dest_path(argv[3]); - - const auto src_size = static_cast<std::size_t>(get_file_size(src_path)); - - std::ifstream src_ifs; - src_ifs.exceptions(std::ifstream::badbit | std::ifstream::failbit); - src_ifs.open(src_path, std::ifstream::binary); - - std::vector<char> src_buf; - src_buf.reserve(src_size); - src_buf.assign(std::istreambuf_iterator<char>(src_ifs), - std::istreambuf_iterator<char>()); - - aesni_aes128_expand_key(&key, &encryption_keys); - aesni_aes128_derive_decryption_keys(&encryption_keys, &decryption_keys); - - std::size_t dest_size; - - aesni_decrypt_buffer_ecb128( - src_buf.data(), - src_size, - NULL, - &dest_size, - &decryption_keys, - aesni::ErrorDetailsThrowsInDestructor()); - - std::vector<char> dest_buf; - dest_buf.reserve(dest_size); - - aesni_decrypt_buffer_ecb128( - src_buf.data(), - src_size, - dest_buf.data(), - &dest_size, - &decryption_keys, - aesni::ErrorDetailsThrowsInDestructor()); - - std::ofstream dest_ofs; - dest_ofs.exceptions(std::ofstream::badbit | std::ofstream::failbit); - dest_ofs.open(dest_path, std::ofstream::binary); - dest_ofs.write(dest_buf.data(), dest_size); - } - catch (const aesni::Error& e) - { - std::cerr << e; - return 1; - } - catch (const std::exception& e) - { - std::cerr << e.what() << "\n"; - return 1; - } - - return 0; -} |