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moved iris-kit-esp8285 to subdir

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strawmanbobi
2024-10-08 16:42:36 +08:00
parent 89053640ef
commit cd861c50ed
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lib/Crypto/AES.h
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/*
* Copyright (C) 2015,2018 Southern Storm Software, Pty Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef CRYPTO_AES_h
#define CRYPTO_AES_h
#include "BlockCipher.h"
// Determine which AES implementation to export to applications.
#if defined(ESP32)
#define CRYPTO_AES_ESP32 1
#else
#define CRYPTO_AES_DEFAULT 1
#endif
#if defined(CRYPTO_AES_DEFAULT) || defined(CRYPTO_DOC)
class AESTiny128;
class AESTiny256;
class AESSmall128;
class AESSmall256;
class AESCommon : public BlockCipher
{
public:
virtual ~AESCommon();
size_t blockSize() const;
void encryptBlock(uint8_t *output, const uint8_t *input);
void decryptBlock(uint8_t *output, const uint8_t *input);
void clear();
protected:
AESCommon();
/** @cond aes_internal */
uint8_t rounds;
uint8_t *schedule;
static void subBytesAndShiftRows(uint8_t *output, const uint8_t *input);
static void inverseShiftRowsAndSubBytes(uint8_t *output, const uint8_t *input);
static void mixColumn(uint8_t *output, uint8_t *input);
static void inverseMixColumn(uint8_t *output, const uint8_t *input);
static void keyScheduleCore(uint8_t *output, const uint8_t *input, uint8_t iteration);
static void applySbox(uint8_t *output, const uint8_t *input);
/** @endcond */
friend class AESTiny128;
friend class AESTiny256;
friend class AESSmall128;
friend class AESSmall256;
};
class AES128 : public AESCommon
{
public:
AES128();
virtual ~AES128();
size_t keySize() const;
bool setKey(const uint8_t *key, size_t len);
private:
uint8_t sched[176];
};
class AES192 : public AESCommon
{
public:
AES192();
virtual ~AES192();
size_t keySize() const;
bool setKey(const uint8_t *key, size_t len);
private:
uint8_t sched[208];
};
class AES256 : public AESCommon
{
public:
AES256();
virtual ~AES256();
size_t keySize() const;
bool setKey(const uint8_t *key, size_t len);
private:
uint8_t sched[240];
};
class AESTiny256 : public BlockCipher
{
public:
AESTiny256();
virtual ~AESTiny256();
size_t blockSize() const;
size_t keySize() const;
bool setKey(const uint8_t *key, size_t len);
void encryptBlock(uint8_t *output, const uint8_t *input);
void decryptBlock(uint8_t *output, const uint8_t *input);
void clear();
private:
uint8_t schedule[32];
};
class AESSmall256 : public AESTiny256
{
public:
AESSmall256();
virtual ~AESSmall256();
bool setKey(const uint8_t *key, size_t len);
void decryptBlock(uint8_t *output, const uint8_t *input);
void clear();
private:
uint8_t reverse[32];
};
class AESTiny128 : public BlockCipher
{
public:
AESTiny128();
virtual ~AESTiny128();
size_t blockSize() const;
size_t keySize() const;
bool setKey(const uint8_t *key, size_t len);
void encryptBlock(uint8_t *output, const uint8_t *input);
void decryptBlock(uint8_t *output, const uint8_t *input);
void clear();
private:
uint8_t schedule[16];
};
class AESSmall128 : public AESTiny128
{
public:
AESSmall128();
virtual ~AESSmall128();
bool setKey(const uint8_t *key, size_t len);
void decryptBlock(uint8_t *output, const uint8_t *input);
void clear();
private:
uint8_t reverse[16];
};
#endif // CRYPTO_AES_DEFAULT
#if defined(CRYPTO_AES_ESP32)
// "hwcrypto/aes.h" includes "rom/aes.h" which defines global enums for
// AES128, AES192, and AES256. The enum definitions interfere with the
// definition of the same-named classes below. The #define's and #undef's
// here work around the problem by defining the enums to different names.
#define AES128 AES128_enum
#define AES192 AES192_enum
#define AES256 AES256_enum
#include "hwcrypto/aes.h"
#undef AES128
#undef AES192
#undef AES256
class AESCommon : public BlockCipher
{
public:
virtual ~AESCommon();
size_t blockSize() const;
size_t keySize() const;
bool setKey(const uint8_t *key, size_t len);
void encryptBlock(uint8_t *output, const uint8_t *input);
void decryptBlock(uint8_t *output, const uint8_t *input);
void clear();
protected:
AESCommon(uint8_t keySize);
private:
esp_aes_context ctx;
};
class AES128 : public AESCommon
{
public:
AES128() : AESCommon(16) {}
virtual ~AES128();
};
class AES192 : public AESCommon
{
public:
AES192() : AESCommon(24) {}
virtual ~AES192();
};
class AES256 : public AESCommon
{
public:
AES256() : AESCommon(32) {}
virtual ~AES256();
};
// The ESP32 AES context is so small that it already qualifies as "tiny".
typedef AES128 AESTiny128;
typedef AES256 AESTiny256;
typedef AES128 AESSmall128;
typedef AES256 AESSmall256;
#endif // CRYPTO_AES_ESP32
#endif