text: /**
   * Copyright (c) 2018 - 2019, 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:
   *
   * 1. Redistributions of source code must retain the above copyright notice, this
   *    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
   *    conditions and the following disclaimer in the documentation and/or other
   *    materials provided with the distribution.
   *
   * 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.
   *
   * 5. Any software provided in binary form under this license must not be reverse
   *    engineered, decompiled, modified and/or disassembled.
   *
   * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
   * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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 MBEDTLS_BACKEND_ECDSA_H__
  #define MBEDTLS_BACKEND_ECDSA_H__
  
  #include "sdk_config.h"
  #include "nordic_common.h"
  
  #if NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS)
  
  #include "nrf_crypto_ecc_shared.h"
  #include "nrf_crypto_ecdsa_shared.h"
  
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  
  /** @internal See @ref nrf_crypto_backend_ecdsa_sign_fn_t.
   */
  ret_code_t nrf_crypto_backend_mbedtls_sign(
      void           * p_context,
      void     const * p_private_key,
      uint8_t  const * p_data,
      size_t           data_size,
      uint8_t        * p_signature);
  
  
  /** @internal See @ref nrf_crypto_backend_ecdsa_verify_fn_t.
   */
  ret_code_t nrf_crypto_backend_mbedtls_verify(
      void           * p_context,
      void     const * p_public_key,
      uint8_t  const * p_data,
      size_t           data_size,
      uint8_t  const * p_signature);
  
  
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP192R1)
  // Context is not used by mbed TLS, so its size is 0
  #define NRF_CRYPTO_BACKEND_SECP192R1_SIGN_CONTEXT_SIZE   0
  #define NRF_CRYPTO_BACKEND_SECP192R1_VERIFY_CONTEXT_SIZE 0
  // Dummy typedefs for unused contexts
  typedef uint32_t nrf_crypto_backend_secp192r1_sign_context_t;
  typedef uint32_t nrf_crypto_backend_secp192r1_verify_context_t;
  // Alias for common mbed TLS
  #define nrf_crypto_backend_secp192r1_sign   nrf_crypto_backend_mbedtls_sign
  #define nrf_crypto_backend_secp192r1_verify nrf_crypto_backend_mbedtls_verify
  #endif
  
  
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP224R1)
  // Context is not used by mbed TLS, so its size is 0
  #define NRF_CRYPTO_BACKEND_SECP224R1_SIGN_CONTEXT_SIZE   0
  #define NRF_CRYPTO_BACKEND_SECP224R1_VERIFY_CONTEXT_SIZE 0
  // Dummy typedefs for unused contexts
  typedef uint32_t nrf_crypto_backend_secp224r1_sign_context_t;
  typedef uint32_t nrf_crypto_backend_secp224r1_verify_context_t;
  // Alias for common mbed TLS
  #define nrf_crypto_backend_secp224r1_sign   nrf_crypto_backend_mbedtls_sign
  #define nrf_crypto_backend_secp224r1_verify nrf_crypto_backend_mbedtls_verify
  #endif
  
  
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP256R1)
  // Context is not used by mbed TLS, so its size is 0
  #define NRF_CRYPTO_BACKEND_SECP256R1_SIGN_CONTEXT_SIZE   0
  #define NRF_CRYPTO_BACKEND_SECP256R1_VERIFY_CONTEXT_SIZE 0
  // Dummy typedefs for unused contexts
  typedef uint32_t nrf_crypto_backend_secp256r1_sign_context_t;
  typedef uint32_t nrf_crypto_backend_secp256r1_verify_context_t;
  // Alias for common mbed TLS
  #define nrf_crypto_backend_secp256r1_sign   nrf_crypto_backend_mbedtls_sign
  #define nrf_crypto_backend_secp256r1_verify nrf_crypto_backend_mbedtls_verify
  #endif
  
  
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP384R1)
  // Context is not used by mbed TLS, so its size is 0
  #define NRF_CRYPTO_BACKEND_SECP384R1_SIGN_CONTEXT_SIZE   0
  #define NRF_CRYPTO_BACKEND_SECP384R1_VERIFY_CONTEXT_SIZE 0
  // Dummy typedefs for unused contexts
  typedef uint32_t nrf_crypto_backend_secp384r1_sign_context_t;
  typedef uint32_t nrf_crypto_backend_secp384r1_verify_context_t;
  // Alias for common mbed TLS
  #define nrf_crypto_backend_secp384r1_sign   nrf_crypto_backend_mbedtls_sign
  #define nrf_crypto_backend_secp384r1_verify nrf_crypto_backend_mbedtls_verify
  #endif
  
  
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP521R1)
  // Context is not used by mbed TLS, so its size is 0
  #define NRF_CRYPTO_BACKEND_SECP521R1_SIGN_CONTEXT_SIZE   0
  #define NRF_CRYPTO_BACKEND_SECP521R1_VERIFY_CONTEXT_SIZE 0
  // Dummy typedefs for unused contexts
  typedef uint32_t nrf_crypto_backend_secp521r1_sign_context_t;
  typedef uint32_t nrf_crypto_backend_secp521r1_verify_context_t;
  // Alias for common mbed TLS
  #define nrf_crypto_backend_secp521r1_sign   nrf_crypto_backend_mbedtls_sign
  #define nrf_crypto_backend_secp521r1_verify nrf_crypto_backend_mbedtls_verify
  #endif
  
  
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP192K1)
  // Context is not used by mbed TLS, so its size is 0
  #define NRF_CRYPTO_BACKEND_SECP192K1_SIGN_CONTEXT_SIZE   0
  #define NRF_CRYPTO_BACKEND_SECP192K1_VERIFY_CONTEXT_SIZE 0
  // Dummy typedefs for unused contexts
  typedef uint32_t nrf_crypto_backend_secp192k1_sign_context_t;
  typedef uint32_t nrf_crypto_backend_secp192k1_verify_context_t;
  // Alias for common mbed TLS
  #define nrf_crypto_backend_secp192k1_sign   nrf_crypto_backend_mbedtls_sign
  #define nrf_crypto_backend_secp192k1_verify nrf_crypto_backend_mbedtls_verify
  #endif
  
  
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP224K1)
  // Context is not used by mbed TLS, so its size is 0
  #define NRF_CRYPTO_BACKEND_SECP224K1_SIGN_CONTEXT_SIZE   0
  #define NRF_CRYPTO_BACKEND_SECP224K1_VERIFY_CONTEXT_SIZE 0
  // Dummy typedefs for unused contexts
  typedef uint32_t nrf_crypto_backend_secp224k1_sign_context_t;
  typedef uint32_t nrf_crypto_backend_secp224k1_verify_context_t;
  // Alias for common mbed TLS
  #define nrf_crypto_backend_secp224k1_sign   nrf_crypto_backend_mbedtls_sign
  #define nrf_crypto_backend_secp224k1_verify nrf_crypto_backend_mbedtls_verify
  #endif
  
  
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP256K1)
  // Context is not used by mbed TLS, so its size is 0
  #define NRF_CRYPTO_BACKEND_SECP256K1_SIGN_CONTEXT_SIZE   0
  #define NRF_CRYPTO_BACKEND_SECP256K1_VERIFY_CONTEXT_SIZE 0
  // Dummy typedefs for unused contexts
  typedef uint32_t nrf_crypto_backend_secp256k1_sign_context_t;
  typedef uint32_t nrf_crypto_backend_secp256k1_verify_context_t;
  // Alias for common mbed TLS
  #define nrf_crypto_backend_secp256k1_sign   nrf_crypto_backend_mbedtls_sign
  #define nrf_crypto_backend_secp256k1_verify nrf_crypto_backend_mbedtls_verify
  #endif
  
  
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_BP256R1)
  // Context is not used by mbed TLS, so its size is 0
  #define NRF_CRYPTO_BACKEND_BP256R1_SIGN_CONTEXT_SIZE   0
  #define NRF_CRYPTO_BACKEND_BP256R1_VERIFY_CONTEXT_SIZE 0
  // Dummy typedefs for unused contexts
  typedef uint32_t nrf_crypto_backend_bp256r1_sign_context_t;
  typedef uint32_t nrf_crypto_backend_bp256r1_verify_context_t;
  // Alias for common mbed TLS
  #define nrf_crypto_backend_bp256r1_sign   nrf_crypto_backend_mbedtls_sign
  #define nrf_crypto_backend_bp256r1_verify nrf_crypto_backend_mbedtls_verify
  #endif
  
  
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_BP384R1)
  // Context is not used by mbed TLS, so its size is 0
  #define NRF_CRYPTO_BACKEND_BP384R1_SIGN_CONTEXT_SIZE   0
  #define NRF_CRYPTO_BACKEND_BP384R1_VERIFY_CONTEXT_SIZE 0
  // Dummy typedefs for unused contexts
  typedef uint32_t nrf_crypto_backend_bp384r1_sign_context_t;
  typedef uint32_t nrf_crypto_backend_bp384r1_verify_context_t;
  // Alias for common mbed TLS
  #define nrf_crypto_backend_bp384r1_sign   nrf_crypto_backend_mbedtls_sign
  #define nrf_crypto_backend_bp384r1_verify nrf_crypto_backend_mbedtls_verify
  #endif
  
  
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_BP512R1)
  // Context is not used by mbed TLS, so its size is 0
  #define NRF_CRYPTO_BACKEND_BP512R1_SIGN_CONTEXT_SIZE   0
  #define NRF_CRYPTO_BACKEND_BP512R1_VERIFY_CONTEXT_SIZE 0
  // Dummy typedefs for unused contexts
  typedef uint32_t nrf_crypto_backend_bp512r1_sign_context_t;
  typedef uint32_t nrf_crypto_backend_bp512r1_verify_context_t;
  // Alias for common mbed TLS
  #define nrf_crypto_backend_bp512r1_sign   nrf_crypto_backend_mbedtls_sign
  #define nrf_crypto_backend_bp512r1_verify nrf_crypto_backend_mbedtls_verify
  #endif
  
  
  #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_ECC_CURVE25519)
  // Context is not used by mbed TLS, so its size is 0
  #define NRF_CRYPTO_BACKEND_CURVE25519_SIGN_CONTEXT_SIZE   0
  #define NRF_CRYPTO_BACKEND_CURVE25519_VERIFY_CONTEXT_SIZE 0
  // Dummy typedefs for unused contexts
  typedef uint32_t nrf_crypto_backend_curve25519_sign_context_t;
  typedef uint32_t nrf_crypto_backend_curve25519_verify_context_t;
  // No ECDSA implementation for Curve25519
  #define nrf_crypto_backend_curve25519_sign   NULL
  #define nrf_crypto_backend_curve25519_verify NULL
  #endif
  
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif // NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS)
  
  #endif // MBEDTLS_BACKEND_ECDSA_H__
  