utils: bugfix & refactoring

1 files changed, 108 insertions, 0 deletions

diff --git a/utils/block_dumper.hpp b/utils/block_dumper.hpp
new file mode 100644
index 0000000..a473cd1
--- /dev/null
+++ b/utils/block_dumper.hpp
@@ -0,0 +1,108 @@
+/**
+ * \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 <aesnixx/all.hpp>
+
+#include <cstdlib>
+
+#include <iostream>
+#include <type_traits>
+
+namespace
+{
+    template <aesni::Algorithm algorithm>
+    void dump_block(const char* name, const typename aesni::Types<algorithm>::Block& block)
+    {
+        std::cout << name << ": " << aesni::to_string<algorithm>(block) << "\n" << aesni::to_matrix_string<algorithm>(block) << "\n";
+    }
+
+    template <aesni::Algorithm algorithm>
+    void dump_plaintext(const typename aesni::Types<algorithm>::Block& block)
+    {
+        dump_block<algorithm>("Plaintext", block);
+    }
+
+    template <aesni::Algorithm algorithm>
+    void dump_key(const typename aesni::Types<algorithm>::Key& key)
+    {
+        std::cout << "Key: " << aesni::to_string<algorithm>(key) << "\n\n";
+    }
+
+    template <aesni::Algorithm algorithm>
+    void dump_ciphertext(const typename aesni::Types<algorithm>::Block& ciphertext)
+    {
+        dump_block<algorithm>("Ciphertext", ciphertext);
+    }
+
+    template <aesni::Algorithm algorithm>
+    void dump_iv(const typename aesni::Types<algorithm>::Block& iv)
+    {
+        dump_block<algorithm>("Initialization vector", iv);
+    }
+
+    template <aesni::Algorithm algorithm>
+    void dump_round_keys(const char* name, const typename aesni::Types<algorithm>::RoundKeys& round_keys)
+    {
+        std::cout << name << ":\n";
+        for (std::size_t i = 0; i < aesni::get_number_of_rounds<algorithm>(); ++i)
+            std::cout << "\t[" << i << "]: " << aesni::to_string<algorithm>(round_keys.keys[i]) << "\n";
+        std::cout << "\n";
+    }
+
+    template <aesni::Algorithm algorithm>
+    void dump_encryption_keys(const typename aesni::Types<algorithm>::RoundKeys& round_keys)
+    {
+        dump_round_keys<algorithm>("Encryption round keys", round_keys);
+    }
+
+    template <aesni::Algorithm algorithm>
+    void dump_decryption_keys(const typename aesni::Types<algorithm>::RoundKeys& round_keys)
+    {
+        dump_round_keys<algorithm>("Decryption round keys", round_keys);
+    }
+
+    template <aesni::Algorithm algorithm, aesni::Mode mode>
+    void dump_wrapper(
+        const aesni::EncryptWrapper<algorithm, mode>& wrapper)
+    {
+        dump_encryption_keys<algorithm>(wrapper.encryption_keys);
+    }
+
+    template <aesni::Algorithm algorithm, aesni::Mode mode>
+    void dump_wrapper(
+        const aesni::DecryptWrapper<algorithm, mode>& wrapper)
+    {
+        dump_decryption_keys<algorithm>(wrapper.decryption_keys);
+    }
+
+    template <aesni::Algorithm algorithm, aesni::Mode mode, typename std::enable_if<aesni::ModeRequiresInitializationVector<mode>::value>::type* = 0>
+    void dump_next_iv(
+        const aesni::EncryptWrapper<algorithm, mode>& wrapper)
+    {
+        dump_block<algorithm>("Next initialization vector", wrapper.iv);
+    }
+
+    template <aesni::Algorithm algorithm, aesni::Mode mode, typename std::enable_if<!aesni::ModeRequiresInitializationVector<mode>::value>::type* = 0>
+    void dump_next_iv(
+        const aesni::EncryptWrapper<algorithm, mode>&)
+    { }
+
+    template <aesni::Algorithm algorithm, aesni::Mode mode, typename std::enable_if<aesni::ModeRequiresInitializationVector<mode>::value>::type* = 0>
+    void dump_next_iv(
+        const aesni::DecryptWrapper<algorithm, mode>& wrapper)
+    {
+        dump_block<algorithm>("Next initialization vector", wrapper.iv);
+    }
+
+    template <aesni::Algorithm algorithm, aesni::Mode mode, typename std::enable_if<!aesni::ModeRequiresInitializationVector<mode>::value>::type* = 0>
+    void dump_next_iv(
+        const aesni::DecryptWrapper<algorithm, mode>&)
+    { }
+}