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67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/*
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* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <stdbool.h>
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#include "aes/esp_aes.h"
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#include "soc/soc_caps.h"
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#include "hal/aes_hal.h"
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#include "esp_crypto_dma.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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#ifdef CONFIG_MBEDTLS_AES_USE_PSEUDO_ROUND_FUNC
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/**
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* @brief Default pseudo rounds configs of the AES accelerator
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*/
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typedef enum {
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ESP_AES_PSEUDO_ROUNDS_DISABLE = 0,
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ESP_AES_PSEUDO_ROUNDS_LOW,
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ESP_AES_PSEUDO_ROUNDS_MEDIUM,
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ESP_AES_PSEUDO_ROUNDS_HIGH,
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} esp_aes_psuedo_rounds_state_t;
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void esp_aes_enable_pseudo_rounds(esp_aes_psuedo_rounds_state_t state);
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#endif /* CONFIG_MBEDTLS_AES_USE_PSEUDO_ROUND_FUNC */
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#if SOC_AES_SUPPORT_DMA
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/**
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* @brief Run a AES operation 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 stream_out The saved stream-block for resuming next operation.
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* @return int -1 on error
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*/
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int esp_aes_process_dma(esp_aes_context *ctx, const unsigned char *input, unsigned char *output, size_t len, uint8_t *stream_out);
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#endif
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#if SOC_AES_SUPPORT_GCM
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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, const unsigned char *aad_desc, size_t aad_len);
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#endif
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#ifdef __cplusplus
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}
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#endif
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