tee_api_tee_types.h

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/*
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (C) 2019 National Institute of Advanced Industrial Science
 *                           and Technology (AIST)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. 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.
 */
 
#ifndef TEE_API_TYPES_KEYSTONE_H
#define TEE_API_TYPES_KEYSTONE_H
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
#define MBEDCRYPT 1
#define WOLFCRYPT 2
#endif /*DOXYGEN_SHOULD_SKIP_THIS*/
 
#if CRYPTLIB==MBEDCRYPT
#ifndef DOXYGEN_SHOULD_SKIP_THIS
# define MBEDTLS_CONFIG_FILE "mbed-crypto-config.h"
# define AES256 1
#endif /*DOXYGEN_SHOULD_SKIP_THIS*/
# include "mbedtls/gcm.h"
# include "mbedtls/aes.h"
# include "sha3.h"
# include "ed25519/ed25519.h"
#elif CRYPTLIB==WOLFCRYPT
#ifndef DOXYGEN_SHOULD_SKIP_THIS
# define HAVE_AESGCM 1
# define HAVE_AES_CBC 1
# define HAVE_AES_DECRYPT 1
# define HAVE_FIPS 1
# define HAVE_FIPS_VERSION 2
# define HAVE_ED25519 1
# define HAVE_ED25519_SIGN 1
# define HAVE_ED25519_VERIFY 1
# define WOLFSSL_SHA512 1
# define WOLFSSL_SHA3 1
# define WOLFSSL_SHA3_SMALL 1
# define WOLFCRYPT_ONLY 1
# define WOLF_CRYPT_PORT_H
#endif /*DOXYGEN_SHOULD_SKIP_THIS*/
# include "wolfssl/wolfcrypt/sha3.h"
# include "wolfssl/wolfcrypt/aes.h"
# include "wolfssl/wolfcrypt/sha512.h"
# include "wolfssl/wolfcrypt/ed25519.h"
#else
# include "sha3.h"
# include "ed25519/ed25519.h"
# include "tiny_AES_c/aes.h"
#ifndef DOXYGEN_SHOULD_SKIP_THIS
# define AES256 1
#endif /*DOXYGEN_SHOULD_SKIP_THIS*/
#endif
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
#define SHA_LENGTH (256/8)
#define TEE_OBJECT_NONCE_SIZE 16
#define TEE_OBJECT_KEY_SIZE 32
#define TEE_OBJECT_SKEY_SIZE 64
#define TEE_OBJECT_AAD_SIZE 16
#define TEE_OBJECT_TAG_SIZE 16
#endif /*DOXYGEN_SHOULD_SKIP_THIS*/
 
struct __TEE_OperationHandle
{
  int mode;
  int flags;
  int alg;
#if CRYPTLIB==MBEDCRYPT
  sha3_ctx_t ctx;
  mbedtls_aes_context aectx;
  mbedtls_gcm_context aegcmctx;
#elif CRYPTLIB==WOLFCRYPT
  wc_Sha3 ctx;
  Aes aectx;
  Aes aegcmctx;
  unsigned int aegcm_aadsz;
  unsigned char aegcm_aad[TEE_OBJECT_AAD_SIZE];
  ed25519_key key;
#else
  sha3_ctx_t ctx;
  struct AES_ctx aectx;
#endif
  int aegcm_state;
  unsigned char aeiv[TEE_OBJECT_NONCE_SIZE];
  unsigned char aekey[32];
  unsigned char pubkey[TEE_OBJECT_KEY_SIZE];
  unsigned char prikey[TEE_OBJECT_SKEY_SIZE];
};
 
struct __TEE_ObjectHandle
{
  unsigned int type;
  int flags;
  int desc;
#if CRYPTLIB==MBEDCRYPT
  mbedtls_aes_context persist_ctx;
  unsigned char persist_iv[TEE_OBJECT_NONCE_SIZE];
#elif CRYPTLIB==WOLFCRYPT
  Aes persist_ctx;
  unsigned char persist_iv[TEE_OBJECT_NONCE_SIZE];
  ed25519_key key;
#else
  struct AES_ctx persist_ctx;
#endif
  unsigned char public_key[TEE_OBJECT_KEY_SIZE];
  unsigned char private_key[TEE_OBJECT_SKEY_SIZE];
};
 
// defined in tee_api_defines.h
// enum Data_Flag_Constants {
//   TEE_DATA_FLAG_ACCESS_READ = 0x00000001,
//   TEE_DATA_FLAG_ACCESS_WRITE = 0x00000002,
//   //TEE_DATA_FLAG_ACCESS_WRITE_META = 0x00000004,
//   //TEE_DATA_FLAG_SHARE_READ = 0x00000010,
//   //TEE_DATA_FLAG_SHARE_WRITE = 0x00000020,
//   TEE_DATA_FLAG_OVERWRITE = 0x00000400
// };
// enum Data_Flag_Constants {
//   TEE_DATA_FLAG_ACCESS_READ = 0x00000001,
//   TEE_DATA_FLAG_ACCESS_WRITE = 0x00000002,
//   //TEE_DATA_FLAG_ACCESS_WRITE_META = 0x00000004,
//   //TEE_DATA_FLAG_SHARE_READ = 0x00000010,
//   //TEE_DATA_FLAG_SHARE_WRITE = 0x00000020,
//   TEE_DATA_FLAG_OVERWRITE = 0x00000400
// };
#endif