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https://github.com/espressif/esp-idf.git
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457ce080ae
Refactor the AES driver and add HAL, LL and caps. Add better support for running AES-GCM fully in hardware.
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/**
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* \brief AES block cipher, ESP-IDF hardware accelerated version
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* Based on mbedTLS FIPS-197 compliant version.
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*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* Additions Copyright (C) 2016, Espressif Systems (Shanghai) PTE Ltd
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Internal API
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*/
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#pragma once
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#include "aes/esp_aes.h"
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#include "aes/esp_aes_gcm.h"
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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bool valid_key_length(const esp_aes_context *ctx);
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/**
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* @brief Run a AES-GCM conversion using DMA
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*
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* @param ctx Aes context
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* @param input Pointer to input data
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* @param output Pointer to output data
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* @param len Length of the input data
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* @param aad_desc GCM additional data DMA descriptor
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* @param aad_len GCM additional data length
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* @return int -1 on error
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*/
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int esp_aes_process_dma_gcm(esp_aes_context *ctx, const unsigned char *input, unsigned char *output, size_t len, lldesc_t *aad_desc, size_t aad_len);
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#ifdef __cplusplus
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}
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#endif
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