factoring out AES-specific stuff

3 files changed, 133 insertions, 117 deletions

diff --git a/cxx/include/aesnixx/aes.hpp b/cxx/include/aesnixx/aes.hpp
new file mode 100644
index 0000000..d30fd60
--- /dev/null
+++ b/cxx/include/aesnixx/aes.hpp
@@ -0,0 +1,132 @@
+/**
+ * \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 "data.hpp"
+
+#include <aesni/all.h>
+
+#include <string>
+
+#pragma once
+
+namespace aesni
+{
+    namespace aes
+    {
+        typedef AesNI_Aes_Block Block;
+
+        typedef AesNI_Aes128_Key Key128;
+        typedef AesNI_Aes192_Key Key192;
+        typedef AesNI_Aes256_Key Key256;
+
+        inline void make_block(Block& dest, int hi3, int hi2, int lo1, int lo0)
+        {
+            aesni_aes_make_block(&dest, hi3, hi2, lo1, lo0);
+        }
+
+        inline void make_key(Key128& dest, int hi3, int hi2, int lo1, int lo0)
+        {
+            aesni_aes128_make_key(&dest, hi3, hi2, lo1, lo0);
+        }
+
+        inline void make_key(Key192& dest, int hi5, int hi4, int hi3, int lo2, int lo1, int lo0)
+        {
+            aesni_aes192_make_key(&dest, hi5, hi4, hi3, lo2, lo1, lo0);
+        }
+
+        inline void make_key(Key256& dest, int hi7, int hi6, int hi5, int hi4, int lo3, int lo2, int lo1, int lo0)
+        {
+            aesni_aes256_make_key(&dest, hi7, hi6, hi5, hi4, lo3, lo2, lo1, lo0);
+        }
+
+        std::string to_string(const Block& block)
+        {
+            AesNI_Aes_BlockString str;
+            aesni_aes_format_block(&str, &block, ErrorDetailsThrowsInDestructor());
+            return std::string(str.str);
+        }
+
+        std::string to_matrix_string(const Block& block)
+        {
+            AesNI_Aes_BlockMatrixString str;
+            aesni_aes_format_block_as_matrix(&str, &block, ErrorDetailsThrowsInDestructor());
+            return std::string(str.str);
+        }
+
+        inline void from_string(Block& dest, const char* src)
+        {
+            aesni_aes_parse_block(&dest, src, ErrorDetailsThrowsInDestructor());
+        }
+
+        inline void from_string(Block& dest, const std::string& src)
+        {
+            from_string(dest, src.c_str());
+        }
+
+        std::string to_string(const Key128& block)
+        {
+            AesNI_Aes128_KeyString str;
+            aesni_aes128_format_key(&str, &block, ErrorDetailsThrowsInDestructor());
+            return std::string(str.str);
+        }
+
+        std::string to_string(const Key192& block)
+        {
+            AesNI_Aes192_KeyString str;
+            aesni_aes192_format_key(&str, &block, ErrorDetailsThrowsInDestructor());
+            return std::string(str.str);
+        }
+
+        std::string to_string(const Key256& block)
+        {
+            AesNI_Aes256_KeyString str;
+            aesni_aes256_format_key(&str, &block, ErrorDetailsThrowsInDestructor());
+            return std::string(str.str);
+        }
+
+        inline void from_string(Key128& dest, const char* src)
+        {
+            aesni_aes128_parse_key(&dest, src, ErrorDetailsThrowsInDestructor());
+        }
+
+        inline void from_string(Key192& dest, const char* src)
+        {
+            aesni_aes192_parse_key(&dest, src, ErrorDetailsThrowsInDestructor());
+        }
+
+        inline void from_string(Key256& dest, const char* src)
+        {
+            aesni_aes256_parse_key(&dest, src, ErrorDetailsThrowsInDestructor());
+        }
+
+        inline void from_string(Key128& dest, const std::string& src)
+        {
+            return from_string(dest, src.c_str());
+        }
+
+        inline void from_string(Key192& dest, const std::string& src)
+        {
+            return from_string(dest, src.c_str());
+        }
+
+        inline void from_string(Key256& dest, const std::string& src)
+        {
+            return from_string(dest, src.c_str());
+        }
+
+        typedef AesNI_Aes128_RoundKeys RoundKeys128;
+        typedef AesNI_Aes192_RoundKeys RoundKeys192;
+        typedef AesNI_Aes256_RoundKeys RoundKeys256;
+
+        template <typename RoundKeysT>
+        inline std::size_t get_number_of_keys(const RoundKeysT& round_keys)
+        {
+            return sizeof(round_keys) / sizeof(Block128);
+        }
+    }
+}
diff --git a/cxx/include/aesnixx/all.hpp b/cxx/include/aesnixx/all.hpp
index f105059..72ea262 100644
--- a/cxx/include/aesnixx/all.hpp
+++ b/cxx/include/aesnixx/all.hpp
@@ -8,5 +8,6 @@
 
 #pragma once
 
+#include "aes.hpp"
 #include "data.hpp"
 #include "error.hpp"
diff --git a/cxx/include/aesnixx/data.hpp b/cxx/include/aesnixx/data.hpp
index e620915..1eaac24 100644
--- a/cxx/include/aesnixx/data.hpp
+++ b/cxx/include/aesnixx/data.hpp
@@ -12,129 +12,12 @@
 
 #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_Aes128_RoundKeys KeySchedule128;
-    typedef AesNI_Aes192_RoundKeys KeySchedule192;
-    typedef AesNI_Aes256_RoundKeys KeySchedule256;
-
-    template <typename KeyScheduleT>
-    inline std::size_t get_number_of_keys(const KeyScheduleT& round_keys)
-    {
-        return sizeof(round_keys) / 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);
-    }
-
-    void from_string(Block128& dest, const char* src)
-    {
-        aesni_parse_block128(&dest, src, ErrorDetailsThrowsInDestructor());
-    }
-
-    void from_string(Block192& dest, const char* src)
-    {
-        aesni_parse_block192(&dest, src, ErrorDetailsThrowsInDestructor());
-    }
-
-    void from_string(Block256& dest, const char* src)
-    {
-        aesni_parse_block256(&dest, src, ErrorDetailsThrowsInDestructor());
-    }
-
-    void from_string(Block128& dest, const std::string& src)
-    {
-        return from_string(dest, src.c_str());
-    }
-
-    void from_string(Block192& dest, const std::string& src)
-    {
-        return from_string(dest, src.c_str());
-    }
-
-    void from_string(Block256& dest, const std::string& src)
-    {
-        return from_string(dest, src.c_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);
-    }
 }