cxx: include data structures & I/O functions

2 files changed, 111 insertions, 0 deletions

diff --git a/cxx/include/aesnixx/all.hpp b/cxx/include/aesnixx/all.hpp
index cf00535..f105059 100644
--- a/cxx/include/aesnixx/all.hpp
+++ b/cxx/include/aesnixx/all.hpp
@@ -8,4 +8,5 @@
 
 #pragma once
 
+#include "data.hpp"
 #include "error.hpp"
diff --git a/cxx/include/aesnixx/data.hpp b/cxx/include/aesnixx/data.hpp
new file mode 100644
index 0000000..9eec56c
--- /dev/null
+++ b/cxx/include/aesnixx/data.hpp
@@ -0,0 +1,110 @@
+/**
+ * \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 "error.hpp"
+
+#include <aesni/all.h>
+
+#include <cstdlib>
+
+#include <ostream>
+#include <string>
+
+namespace aesni
+{
+    typedef AesNI_Block128 Block128;
+    typedef AesNI_Block192 Block192;
+    typedef AesNI_Block256 Block256;
+
+    typedef AesNI_KeySchedule128 KeySchedule128;
+    typedef AesNI_KeySchedule192 KeySchedule192;
+    typedef AesNI_KeySchedule256 KeySchedule256;
+
+    template <typename KeyScheduleT>
+    inline std::size_t get_number_of_keys(const KeyScheduleT& key_schedule)
+    {
+        return sizeof(key_schedule) / sizeof(Block128);
+    }
+
+    inline void make_block(Block128& dest, int hi3, int hi2, int lo1, int lo0)
+    {
+        dest = aesni_make_block128(hi3, hi2, lo1, lo0);
+    }
+
+    inline void make_block(Block192& dest, int hi5, int hi4, int hi3, int lo2, int lo1, int lo0)
+    {
+        dest = aesni_make_block192(hi5, hi4, hi3, lo2, lo1, lo0);
+    }
+
+    inline void make_block(Block256& dest, int hi7, int hi6, int hi5, int hi4, int lo3, int lo2, int lo1, int lo0)
+    {
+        dest = aesni_make_block256(hi7, hi6, hi5, hi4, lo3, lo2, lo1, lo0);
+    }
+
+    std::string to_string(const Block128& block)
+    {
+        AesNI_BlockString128 str;
+        aesni_format_block128(&str, &block, ErrorDetailsThrowsInDestructor());
+        return std::string(str.str);
+    }
+
+    std::string to_string(const Block192& block)
+    {
+        AesNI_BlockString192 str;
+        aesni_format_block192(&str, &block, ErrorDetailsThrowsInDestructor());
+        return std::string(str.str);
+    }
+
+    std::string to_string(const Block256& block)
+    {
+        AesNI_BlockString256 str;
+        aesni_format_block256(&str, &block, ErrorDetailsThrowsInDestructor());
+        return std::string(str.str);
+    }
+
+    std::string to_matrix_string(const Block128& block)
+    {
+        AesNI_BlockMatrixString128 str;
+        aesni_format_block128_as_matrix(&str, &block, ErrorDetailsThrowsInDestructor());
+        return std::string(str.str);
+    }
+
+    std::string to_matrix_string(const Block192& block)
+    {
+        AesNI_BlockMatrixString192 str;
+        aesni_format_block192_as_matrix(&str, &block, ErrorDetailsThrowsInDestructor());
+        return std::string(str.str);
+    }
+
+    std::string to_matrix_string(const Block256& block)
+    {
+        AesNI_BlockMatrixString256 str;
+        aesni_format_block256_as_matrix(&str, &block, ErrorDetailsThrowsInDestructor());
+        return std::string(str.str);
+    }
+}
+
+namespace
+{
+    std::ostream& operator<<(std::ostream& os, const aesni::Block128& block)
+    {
+        return os << aesni::to_string(block);
+    }
+
+    std::ostream& operator<<(std::ostream& os, const aesni::Block192& block)
+    {
+        return os << aesni::to_string(block);
+    }
+
+    std::ostream& operator<<(std::ostream& os, const aesni::Block256& block)
+    {
+        return os << aesni::to_string(block);
+    }
+}