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components/libraries/crypto/backend/cifra/cifra_backend_aes_aead.h

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+/**
+ * Copyright (c) 2018 - 2020, 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 CIFRA_BACKEND_AES_AEAD_H__
+#define CIFRA_BACKEND_AES_AEAD_H__
+
+/** @file
+ *
+ * @defgroup nrf_crypto_cifra_backend_aes_aead nrf_crypto Cifra backend AES AEAD
+ * @{
+ * @ingroup nrf_crypto_cifra_backend
+ *
+ * @brief AES AEAD functionality provided by the nrf_crypto Cifra backend.
+ */
+
+#include "sdk_config.h"
+
+#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CIFRA)
+
+#include "modes.h"
+#include "cifra_eax_aes.h"
+#include "nrf_crypto_error.h"
+#include "nrf_crypto_types.h"
+#include "nrf_crypto_aead_shared.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* AES EAX */
+#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CIFRA_AES_EAX)
+#if NRF_MODULE_ENABLED(NRF_CRYPTO_AES_EAX)
+#error "Duplicate definition of AES EAX mode. More than one backend enabled");
+#endif
+#define NRF_CRYPTO_AES_EAX_ENABLED  1
+#undef  NRF_CRYPTO_AEAD_ENABLED
+#define NRF_CRYPTO_AEAD_ENABLED  1  // Flag that nrf_crypto_aes_aead frontend can be compiled
+#undef  NRF_CRYPTO_CIFRA_AES_AEAD_ENABLED
+#define NRF_CRYPTO_CIFRA_AES_AEAD_ENABLED   1   // aes_aead backend cifra can be compiled
+
+/* defines for test purposes */
+#define NRF_CRYPTO_AES_EAX_128_ENABLED  1
+#define NRF_CRYPTO_AES_EAX_192_ENABLED  1
+#define NRF_CRYPTO_AES_EAX_256_ENABLED  1
+
+typedef struct
+{
+    nrf_crypto_aead_internal_context_t header;  /**< Common header for context. */
+    cf_aes_context                     context; /**< AES EAX context internal to Cifra. */
+} nrf_crypto_backend_aes_eax_context_t;
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CIFRA)
+
+/** @} */
+
+#endif // CIFRA_BACKEND_AES_AEAD_H__
+