text: /**
   * Copyright (c) 2018, Nordic Semiconductor ASA
   *
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
   *
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   *    list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form, except as embedded into a Nordic
   *    Semiconductor ASA integrated circuit in a product or a software update for
   *    such product, must reproduce the above copyright notice, this list of
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   *
   * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
   *    contributors may be used to endorse or promote products derived from this
   *    software without specific prior written permission.
   *
   * 4. This software, with or without modification, must only be used with a
   *    Nordic Semiconductor ASA integrated circuit.
   *
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   * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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   */
  
  #ifndef MBEDTLS_BACKEND_AES_H__
  #define MBEDTLS_BACKEND_AES_H__
  
  /** @file
   *
   * @defgroup nrf_crypto_mbedtls_backend_aes nrf_crypto mbed TLS backend AES
   * @{
   * @ingroup nrf_crypto_mbedtls_backend
   *
   * @brief AES functionality provided by the nrf_crypto mbed TLS backend.
   */
  
  #include "sdk_config.h"
  
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS)
  
  /*lint -save -e????*/
  #include "mbedtls/aes.h"
  #include "mbedtls/cmac.h"
  #include "mbedtls/platform.h"
  /*lint -restore*/
  #include "nrf_crypto_error.h"
  #include "nrf_crypto_types.h"
  #include "nrf_crypto_aes_shared.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /* AES CBC */
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC)
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_AES_CBC)
  #error "Duplicate definition of AES CBC mode. More than one backend enabled");
  #endif
  /* Flag that AES CBC is enabled in backend */
  #define NRF_CRYPTO_AES_CBC_ENABLED 1
  #undef  NRF_CRYPTO_AES_ENABLED
  #define NRF_CRYPTO_AES_ENABLED 1    // Flag that nrf_crypto_aes frontend can be compiled
  #undef  NRF_CRYPTO_MBEDTLS_AES_ENABLED
  #define NRF_CRYPTO_MBEDTLS_AES_ENABLED 1
  
  /* defines for test purposes */
  #define NRF_CRYPTO_AES_CBC_128_ENABLED  1
  #define NRF_CRYPTO_AES_CBC_192_ENABLED  1
  #define NRF_CRYPTO_AES_CBC_256_ENABLED  1
  
  typedef struct
  {
      nrf_crypto_aes_internal_context_t header;   /**< Common header for context. */
      nrf_crypto_backend_aes_ctx_t      backend;  /**< Backend-specific internal context. */
      mbedtls_aes_context               context;  /**< AES context internal to mbed TLS. */
  } nrf_crypto_backend_aes_cbc_context_t;
  #endif
  
  
  /* AES CTR */
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CTR)
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_AES_CTR)
  #error "Duplicate definition of AES CTR mode. More than one backend enabled");
  #endif
  #define NRF_CRYPTO_AES_CTR_ENABLED 1
  #undef  NRF_CRYPTO_AES_ENABLED
  #define NRF_CRYPTO_AES_ENABLED 1    // Flag that nrf_crypto_aes frontend can be compiled
  #undef  NRF_CRYPTO_MBEDTLS_AES_ENABLED
  #define NRF_CRYPTO_MBEDTLS_AES_ENABLED 1
  
  /* defines for test purposes */
  #define NRF_CRYPTO_AES_CTR_128_ENABLED  1
  #define NRF_CRYPTO_AES_CTR_192_ENABLED  1
  #define NRF_CRYPTO_AES_CTR_256_ENABLED  1
  
  typedef struct
  {
      nrf_crypto_aes_internal_context_t header;   /**< Common header for context. */
      nrf_crypto_backend_aes_ctx_t      backend;  /**< Backend-specific internal context. */
      mbedtls_aes_context               context;  /**< AES context internal to mbed TLS. */
  } nrf_crypto_backend_aes_ctr_context_t;
  #endif
  
  /* AES CFB */
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CFB)
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_AES_CFB)
  #error "Duplicate definition of AES CFB mode. More than one backend enabled");
  #endif
  #define NRF_CRYPTO_AES_CFB_ENABLED 1
  #undef  NRF_CRYPTO_AES_ENABLED
  #define NRF_CRYPTO_AES_ENABLED 1    // Flag that nrf_crypto_aes frontend can be compiled
  #undef  NRF_CRYPTO_MBEDTLS_AES_ENABLED
  #define NRF_CRYPTO_MBEDTLS_AES_ENABLED 1
  
  /* defines for test purposes */
  #define NRF_CRYPTO_AES_CFB_128_ENABLED  1
  #define NRF_CRYPTO_AES_CFB_192_ENABLED  1
  #define NRF_CRYPTO_AES_CFB_256_ENABLED  1
  
  typedef struct
  {
      nrf_crypto_aes_internal_context_t header;   /**< Common header for context. */
      nrf_crypto_backend_aes_ctx_t      backend;  /**< Backend-specific internal context. */
      mbedtls_aes_context               context;  /**< AES context internal to mbed TLS. */
  } nrf_crypto_backend_aes_cfb_context_t;
  #endif
  
  /* AES ECB */
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_ECB)
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_AES_ECB)
  #error "Duplicate definition of AES ECB mode. More than one backend enabled");
  #endif
  #define NRF_CRYPTO_AES_ECB_ENABLED 1
  #undef  NRF_CRYPTO_AES_ENABLED
  #define NRF_CRYPTO_AES_ENABLED 1
  #undef  NRF_CRYPTO_MBEDTLS_AES_ENABLED
  #define NRF_CRYPTO_MBEDTLS_AES_ENABLED 1
  
  /* defines for test purposes */
  #define NRF_CRYPTO_AES_ECB_128_ENABLED  1
  #define NRF_CRYPTO_AES_ECB_192_ENABLED  1
  #define NRF_CRYPTO_AES_ECB_256_ENABLED  1
  
  typedef struct
  {
      nrf_crypto_aes_internal_context_t   header;   /**< Common header for context. */
      nrf_crypto_backend_no_iv_aes_ctx_t  backend;  /**< Backend-specific internal context. */
      mbedtls_aes_context                 context;  /**< AES context internal to mbed TLS. */
  } nrf_crypto_backend_aes_ecb_context_t;
  #endif
  
  
  /* AES CBC MAC */
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC_MAC)
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_AES_CBC_MAC)
  #error "Duplicate definition of AES CBC MAC mode. More than one backend enabled");
  #endif
  /* Flag that AES CBC MAC is enabled in backend */
  #define NRF_CRYPTO_AES_CBC_MAC_ENABLED 1
  #undef  NRF_CRYPTO_AES_ENABLED
  #define NRF_CRYPTO_AES_ENABLED 1    // Flag that nrf_crypto_aes frontend can be compiled
  #undef  NRF_CRYPTO_MBEDTLS_AES_ENABLED
  #define NRF_CRYPTO_MBEDTLS_AES_ENABLED 1
  
  /* defines for test purposes */
  #define NRF_CRYPTO_AES_CBC_MAC_128_ENABLED  1
  #define NRF_CRYPTO_AES_CBC_MAC_192_ENABLED  1
  #define NRF_CRYPTO_AES_CBC_MAC_256_ENABLED  1
  
  typedef struct
  {
      nrf_crypto_aes_internal_context_t header;   /**< Common header for context. */
      nrf_crypto_backend_aes_ctx_t      backend;  /**< Backend-specific internal context. */
      mbedtls_aes_context               context;  /**< AES context internal to mbed TLS. */
  } nrf_crypto_backend_aes_cbc_mac_context_t;
  #endif
  
  
  /* AES CMAC */
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CMAC)
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_AES_CMAC)
  #error "Duplicate definition of AES CMAC mode. More than one backend enabled");
  #endif
  #define NRF_CRYPTO_AES_CMAC_ENABLED 1
  #undef  NRF_CRYPTO_AES_ENABLED
  #define NRF_CRYPTO_AES_ENABLED 1    // Flag that nrf_crypto_aes frontend can be compiled
  #undef  NRF_CRYPTO_MBEDTLS_AES_ENABLED
  #define NRF_CRYPTO_MBEDTLS_AES_ENABLED 1
  
  /* defines for test purposes */
  #define NRF_CRYPTO_AES_CMAC_128_ENABLED  1
  #define NRF_CRYPTO_AES_CMAC_192_ENABLED  1
  #define NRF_CRYPTO_AES_CMAC_256_ENABLED  1
  
  typedef struct
  {
      nrf_crypto_aes_internal_context_t  header;   /**< Common header for context. */
      nrf_crypto_backend_no_iv_aes_ctx_t backend;  /**< Backend-specific internal context. */
      mbedtls_cipher_context_t           context;  /**< AES context internal to mbedtls. */
  } nrf_crypto_backend_aes_cmac_context_t;
  #endif
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS)
  
  /** @} */
  
  #endif // MBEDTLS_BACKEND_AES_H__
  