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authorEgor Tensin <Egor.Tensin@gmail.com>2015-10-20 03:11:50 +0300
committerEgor Tensin <Egor.Tensin@gmail.com>2015-10-20 03:11:50 +0300
commitf9665896e3deb6c449c764ba8b30f700abe36cd5 (patch)
tree4203b64ccf2fb8ad4d40f20edad8aeff9448ab63 /cxx/include
parentadd missing `assert`s (diff)
downloadaes-tools-f9665896e3deb6c449c764ba8b30f700abe36cd5.tar.gz
aes-tools-f9665896e3deb6c449c764ba8b30f700abe36cd5.zip
cxx: implement "boxes"
Diffstat (limited to '')
-rw-r--r--cxx/include/aesnixx/all.hpp1
-rw-r--r--cxx/include/aesnixx/box.hpp212
2 files changed, 213 insertions, 0 deletions
diff --git a/cxx/include/aesnixx/all.hpp b/cxx/include/aesnixx/all.hpp
index 417d9ea..7c80d3b 100644
--- a/cxx/include/aesnixx/all.hpp
+++ b/cxx/include/aesnixx/all.hpp
@@ -11,6 +11,7 @@
#include "aes.hpp"
#include "algorithm.hpp"
#include "api.hpp"
+#include "box.hpp"
#include "data.hpp"
#include "debug.hpp"
#include "error.hpp"
diff --git a/cxx/include/aesnixx/box.hpp b/cxx/include/aesnixx/box.hpp
new file mode 100644
index 0000000..69383a8
--- /dev/null
+++ b/cxx/include/aesnixx/box.hpp
@@ -0,0 +1,212 @@
+/**
+ * \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.
+ */
+
+#pragma once
+
+#include "algorithm.hpp"
+#include "error.hpp"
+#include "mode.hpp"
+
+#include <aesni/all.h>
+
+#include <cassert>
+#include <cstddef>
+
+#include <iostream>
+#include <string>
+#include <vector>
+
+namespace aesni
+{
+ class Box
+ {
+ public:
+ typedef AesNI_BoxBlock Block;
+ typedef AesNI_BoxKey Key;
+
+ static std::string format_key(const Key& src, Algorithm algorithm)
+ {
+ AesNI_BoxKeyString str;
+ aesni_box_format_key(
+ &str, algorithm, &src, ErrorDetailsThrowsInDestructor());
+ return reinterpret_cast<const char*>(&str);
+ }
+
+ static std::string format_block(const Block& src, Algorithm algorithm)
+ {
+ AesNI_BoxBlockString str;
+ aesni_box_format_block(
+ &str, algorithm, &src, ErrorDetailsThrowsInDestructor());
+ return reinterpret_cast<const char*>(&str);
+ }
+
+ static void parse_block(
+ Block& dest,
+ Algorithm algorithm,
+ const char* src)
+ {
+ aesni_box_parse_block(&dest, algorithm, src,
+ ErrorDetailsThrowsInDestructor());
+ }
+
+ static void parse_block(
+ Block& dest,
+ Algorithm algorithm,
+ const std::string& src)
+ {
+ parse_block(dest, algorithm, src.c_str());
+ }
+
+ static void parse_key(
+ Key& dest,
+ Algorithm algorithm,
+ const char* src)
+ {
+ aesni_box_parse_key(&dest, algorithm, src,
+ ErrorDetailsThrowsInDestructor());
+ }
+
+ static void parse_key(
+ Key& dest,
+ Algorithm algorithm,
+ const std::string& src)
+ {
+ parse_key(dest, algorithm, src.c_str());
+ }
+
+ Box(Algorithm algorithm, const Key& key)
+ : algorithm(algorithm)
+ , mode(AESNI_ECB)
+ {
+ aesni_box_init(&impl, algorithm, &key, mode, nullptr,
+ ErrorDetailsThrowsInDestructor());
+ }
+
+ Box(Algorithm algorithm, const Key& key, Mode mode, const Block& iv)
+ : algorithm(algorithm)
+ , mode(mode)
+ {
+ aesni_box_init(&impl, algorithm, &key, mode, &iv,
+ ErrorDetailsThrowsInDestructor());
+ }
+
+ void encrypt_block(const Block& plaintext, Block& ciphertext)
+ {
+ aesni_box_encrypt_block(
+ &impl, &plaintext, &ciphertext,
+ ErrorDetailsThrowsInDestructor());
+ }
+
+ void decrypt_block(const Block& ciphertext, Block& plaintext)
+ {
+ aesni_box_decrypt_block(
+ &impl, &ciphertext, &plaintext,
+ ErrorDetailsThrowsInDestructor());
+ }
+
+ std::vector<unsigned char> encrypt_buffer(
+ const void* src_buf,
+ std::size_t src_size)
+ {
+ std::size_t dest_size;
+
+ aesni_box_encrypt_buffer(
+ &impl,
+ src_buf,
+ src_size,
+ nullptr,
+ &dest_size,
+ aesni::ErrorDetailsThrowsInDestructor());
+
+ std::vector<unsigned char> dest_buf;
+ dest_buf.resize(dest_size);
+
+ aesni_box_encrypt_buffer(
+ &impl,
+ src_buf,
+ src_size,
+ dest_buf.data(),
+ &dest_size,
+ aesni::ErrorDetailsThrowsInDestructor());
+
+ dest_buf.resize(dest_size);
+ return dest_buf;
+ }
+
+ std::vector<unsigned char> decrypt_buffer(
+ const void* src_buf,
+ std::size_t src_size)
+ {
+ std::size_t dest_size;
+
+ aesni_box_decrypt_buffer(
+ &impl,
+ src_buf,
+ src_size,
+ nullptr,
+ &dest_size,
+ aesni::ErrorDetailsThrowsInDestructor());
+
+ std::vector<unsigned char> dest_buf;
+ dest_buf.resize(dest_size);
+
+ aesni_box_decrypt_buffer(
+ &impl,
+ src_buf,
+ src_size,
+ dest_buf.data(),
+ &dest_size,
+ aesni::ErrorDetailsThrowsInDestructor());
+
+ dest_buf.resize(dest_size);
+ return dest_buf;
+ }
+
+ std::string format_block(const Block& src)
+ {
+ return format_block(src, get_algorithm());
+ }
+
+ std::string format_key(const Key& src)
+ {
+ return format_key(src, get_algorithm());
+ }
+
+ void parse_block(Block& dest, const char* src)
+ {
+ parse_block(dest, get_algorithm(), src);
+ }
+
+ void parse_block(Block& dest, const std::string& src)
+ {
+ parse_block(dest, src.c_str());
+ }
+
+ void parse_key(Key& dest, const char* src)
+ {
+ parse_key(dest, get_algorithm(), src);
+ }
+
+ void parse_key(Key& dest, const std::string& src)
+ {
+ parse_key(dest, src.c_str());
+ }
+
+ Algorithm get_algorithm() const { return algorithm; }
+
+ Mode get_mode() const { return mode; }
+
+ private:
+ Key key;
+
+ Algorithm algorithm;
+ Mode mode;
+
+ AesNI_Box impl;
+ };
+}