diff options
Diffstat (limited to 'utils/file/aes128ecb_encrypt_file.cpp')
-rw-r--r-- | utils/file/aes128ecb_encrypt_file.cpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/utils/file/aes128ecb_encrypt_file.cpp b/utils/file/aes128ecb_encrypt_file.cpp new file mode 100644 index 0000000..a43c4d9 --- /dev/null +++ b/utils/file/aes128ecb_encrypt_file.cpp @@ -0,0 +1,103 @@ +/** + * \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_encrypt_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_Aes128_RoundKeys encryption_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); + + std::size_t dest_size; + + aesni_encrypt_buffer_ecb128( + src_buf.data(), + src_size, + NULL, + &dest_size, + &encryption_keys, + aesni::ErrorDetailsThrowsInDestructor()); + + std::vector<char> dest_buf; + dest_buf.reserve(dest_size); + + aesni_encrypt_buffer_ecb128( + src_buf.data(), + src_size, + dest_buf.data(), + &dest_size, + &encryption_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; +} |