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/**
* \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 <aesni/all.h>
#include <type_traits>
namespace aesni
{
typedef AesNI_Mode Mode;
template <Mode mode>
struct ModeRequiresInitializationVector : public std::true_type
{ };
template <>
struct ModeRequiresInitializationVector<AESNI_ECB> : public std::false_type
{ };
template <Mode mode>
struct ModeUsesEncryptionKeysOnly : public std::true_type
{ };
inline bool mode_requires_initialization_vector(Mode mode)
{
return mode != AESNI_ECB;
}
template <>
struct ModeUsesEncryptionKeysOnly<AESNI_ECB> : public std::false_type
{ };
template <>
struct ModeUsesEncryptionKeysOnly<AESNI_CBC> : public std::false_type
{ };
inline bool mode_uses_encryption_keys_only(Mode mode)
{
return mode != AESNI_ECB && mode != AESNI_CBC;
}
}
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