sha256_alt.h 2.7 KB

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  1. /**
  2. * Copyright (c) 2019 - 2020, Nordic Semiconductor ASA
  3. *
  4. * All rights reserved.
  5. *
  6. * Redistribution and use in source and binary forms, with or without modification,
  7. * are permitted provided that the following conditions are met:
  8. *
  9. * 1. Redistributions of source code must retain the above copyright notice, this
  10. * list of conditions and the following disclaimer.
  11. *
  12. * 2. Redistributions in binary form, except as embedded into a Nordic
  13. * Semiconductor ASA integrated circuit in a product or a software update for
  14. * such product, must reproduce the above copyright notice, this list of
  15. * conditions and the following disclaimer in the documentation and/or other
  16. * materials provided with the distribution.
  17. *
  18. * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
  19. * contributors may be used to endorse or promote products derived from this
  20. * software without specific prior written permission.
  21. *
  22. * 4. This software, with or without modification, must only be used with a
  23. * Nordic Semiconductor ASA integrated circuit.
  24. *
  25. * 5. Any software provided in binary form under this license must not be reverse
  26. * engineered, decompiled, modified and/or disassembled.
  27. *
  28. * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
  29. * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  30. * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
  31. * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
  32. * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  33. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  34. * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  35. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  36. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  37. * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  38. *
  39. */
  40. /**@file
  41. * @defgroup nrf_oberon_mbed_tls_sha256 Oberon Mbed TLS SHA-256 type declarations
  42. * @ingroup nrf_oberon
  43. * @{
  44. * @brief Type declarations for an alternate implementation of SHA-256 for Mbed TLS.
  45. */
  46. #ifndef SHA256_ALT_H
  47. #define SHA256_ALT_H
  48. #include <stdint.h>
  49. #if defined(MBEDTLS_CONFIG_FILE)
  50. #include MBEDTLS_CONFIG_FILE
  51. #else
  52. #include "mbedtls/config.h"
  53. #endif
  54. #ifdef __cplusplus
  55. extern "C" {
  56. #endif
  57. #define OCRYPTO_SHA256_CONTEXT_SIZE_WORDS (27) //!< SHA-256 context size in words.
  58. /* @brief Oberon replacement SHA-256 context */
  59. typedef struct mbedtls_sha256_context {
  60. uint32_t data[OCRYPTO_SHA256_CONTEXT_SIZE_WORDS]; //!< Opaque SHA-256 context.
  61. } mbedtls_sha256_context;
  62. #ifdef __cplusplus
  63. }
  64. #endif
  65. #endif /* #ifndef SHA256_ALT_H */
  66. /** @} */