diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/mbedtls/mbedtls_backend_hmac.h')
-rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/mbedtls/mbedtls_backend_hmac.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/mbedtls/mbedtls_backend_hmac.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/mbedtls/mbedtls_backend_hmac.h new file mode 100644 index 0000000..2645bba --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/mbedtls/mbedtls_backend_hmac.h @@ -0,0 +1,140 @@ +/** + * Copyright (c) 2018 - 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: + * + * 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_HMAC_H__ +#define MBEDTLS_BACKEND_HMAC_H__ + +/** @file + * + * @defgroup nrf_crypto_mbedtls_backend_hmac mbed TLS backend for HMAC + * @{ + * @ingroup nrf_crypto_mbedtls_backend + * + * @brief Backend wrapper for mbed TLS. None of these types should be used directly by the + * application. + */ + +#include "sdk_common.h" + +#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS) && \ + ( NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_HMAC_SHA256) || \ + NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_HMAC_SHA512) ) + +#include "nrf_crypto_hmac_shared.h" +/*lint -save -e????*/ +#include "mbedtls/md.h" +#include "mbedtls/sha256.h" +#include "mbedtls/sha512.h" +/*lint -restore*/ + +#ifdef __cplusplus +extern "C" { +#endif + +#undef NRF_CRYPTO_HMAC_ENABLED +#define NRF_CRYPTO_HMAC_ENABLED 1 + +#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_HMAC_SHA256) + +#if NRF_MODULE_ENABLED(NRF_CRYPTO_HMAC_SHA256) +#error "Duplicate definition of HMAC SHA-256. More than one backend enabled" +#endif // NRF_CRYPTO_HMAC_SHA256_ENABLED +#define NRF_CRYPTO_HMAC_SHA256_ENABLED 1 + +/** + * @internal @brief Internal context object used by the mbed TLS backend wrapper for HMAC SHA256. + * + * @note This should never be used directly. Use @ref nrf_crypto_backend_hmac_sha256_context_t + * instead. + */ +typedef struct +{ + nrf_crypto_hmac_internal_context_t header; //!< Internal nrf_crypto_hmac context. + mbedtls_md_context_t mbedtls_ctx; //!< Mbed TLS context object. + uint8_t md_ctx_buffer[sizeof(mbedtls_sha256_context)]; //!< Message digest buffer for mbed TLS. + uint16_t hmac_ctx_buffer[64]; //!< Hash buffer for mbed TLS of size defined in mbedtls_sha256_info in md_internal.h. +} nrf_crypto_backend_mbedtls_hmac_sha256_context_t; + +/** + * @internal @brief Context for HMAC SHA256 using mbed TLS backend. + */ +typedef nrf_crypto_backend_mbedtls_hmac_sha256_context_t nrf_crypto_backend_hmac_sha256_context_t; + + +#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_HMAC_SHA256) + + + +#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_HMAC_SHA512) + +#if NRF_MODULE_ENABLED(NRF_CRYPTO_HMAC_SHA512) +#error "Duplicate definition of HMAC SHA-512. More than one backend enabled" +#endif // NRF_CRYPTO_HMAC_SHA512_ENABLED +#define NRF_CRYPTO_HMAC_SHA512_ENABLED 1 + +/** + * @internal @brief Internal context object used by the mbed TLS backend wrapper for HMAC SHA512. + * + * @note This should never be used directly. Use @ref nrf_crypto_backend_hmac_sha512_context_t + * instead. + */ +typedef struct +{ + nrf_crypto_hmac_internal_context_t header; //!< Internal nrf_crypto_hmac context header. + mbedtls_md_context_t mbedtls_ctx; //!< Mbed TLS context object. + uint8_t md_ctx_buffer[sizeof(mbedtls_sha512_context)]; //!< Message digest buffer for mbed TLS. + uint16_t hmac_ctx_buffer[128]; //!< Hash buffer for mbed TLS of size defined in mbedtls_sha512_info in md_internal.h. +} nrf_crypto_backend_mbedtls_hmac_sha512_context_t; + +/** + * @internal @brief Context for HMAC SHA512 using mbed TLS backend. + */ +typedef nrf_crypto_backend_mbedtls_hmac_sha512_context_t nrf_crypto_backend_hmac_sha512_context_t; + +#ifdef __cplusplus +} +#endif + +#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_HMAC_SHA512) +#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS) && ( NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_HMAC_SHA256) || NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_HMAC_SHA512) ) + +/**@} */ + +#endif // MBEDTLS_BACKEND_HMAC_H__ |