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/* Microsoft Reference Implementation for TPM 2.0
*
* The copyright in this software is being made available under the BSD License,
* included below. This software may be subject to other third party and
* contributor rights, including patent rights, and no such rights are granted
* under this license.
*
* Copyright (c) Microsoft Corporation
*
* All rights reserved.
*
* BSD License
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ""AS IS""
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
//** Introduction
//
// This header file is used to "splice" the TPM to the LTC symmetric cipher code.
#ifndef SYM_LIB_DEFINED
#define SYM_LIB_DEFINED
#define SYM_LIB_LTC
#define SYM_ALIGNMENT RADIX_BYTES
// Avoid pulling in the MPA math if not doing asymmetric with LTC
#if !(defined MATH_LIB_LTC)
# define LTC_NO_ASYMMETRIC
#endif
#include "LtcSettings.h"
//***************************************************************
//******** Linking to the TomCrypt AES code *********************
//***************************************************************
#if ALG_SM4
#error "SM4 is not available"
#endif
#if ALG_CAMELLIA
#error "Camellia is not available"
#endif
// Define the order of parameters to the functions that do block encryption and
// decryption.
typedef void(*TpmCryptSetSymKeyCall_t)(
const void *in,
void *out,
void *keySchedule
);
// Macro to put the parameters in the order required by the library
#define SWIZZLE(keySchedule, in, out) \
(const void *)(in), (void *)(out), (void *)(keySchedule)
// Macros to set up the encryption/decryption key schedules
//
// AES:
# define TpmCryptSetEncryptKeyAES(key, keySizeInBits, schedule) \
aes_setup((key), BITS_TO_BYTES(keySizeInBits), 0, (symmetric_key *)(schedule))
# define TpmCryptSetDecryptKeyAES(key, keySizeInBits, schedule) \
aes_setup((key), BITS_TO_BYTES(keySizeInBits), 0, (symmetric_key *)(schedule))
// TDES:
# define TpmCryptSetEncryptKeyTDES(key, keySizeInBits, schedule) \
TDES_setup((key), (keySizeInBits), (symmetric_key *)(schedule))
# define TpmCryptSetDecryptKeyTDES(key, keySizeInBits, schedule) \
TDES_setup((key), (keySizeInBits), (symmetric_key *)(schedule))
// Macros to alias encrypt and decrypt function calls to library-specific values
// sparingly. These should be used sparingly. Currently, they are only used by
// CryptRand.c in the AES version of the DRBG.
#define TpmCryptEncryptAES aes_ecb_encrypt
#define TpmCryptDecryptAES aes_ecb_decrypt
#define tpmKeyScheduleAES struct rijndael_key
//
#define TpmCryptEncryptTDES des3_ecb_encrypt
#define TpmCryptDecryptTDES des3_ecb_decrypt
#define tpmKeyScheduleTDES struct des3_key
typedef union tpmCryptKeySchedule_t tpmCryptKeySchedule_t;
#include "TpmToLtcDesSupport_fp.h"
// This is used to trigger printing of simulation statistics
#define SymLibSimulationEnd()
#endif // SYM_LIB_DEFINED