2023-07-11 04:54:13 -04:00
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/*
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* SPDX-FileCopyrightText: 2023 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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#ifndef _ROM_SHA_H_
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#define _ROM_SHA_H_
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#include <stdint.h>
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#include <stdbool.h>
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#include "ets_sys.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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SHA1 = 0,
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SHA2_224,
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SHA2_256,
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2023-07-26 01:37:36 -04:00
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SHA2_384,
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SHA2_512,
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SHA2_512224,
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SHA2_512256,
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SHA2_512T,
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2023-07-11 04:54:13 -04:00
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SHA_TYPE_MAX
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} SHA_TYPE;
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typedef struct SHAContext {
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bool start;
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bool in_hardware; // Is this context currently in peripheral? Needs to be manually cleared if multiple SHAs are interleaved
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SHA_TYPE type;
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uint32_t state[16]; // For SHA1/SHA224/SHA256, used 8, other used 16
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unsigned char buffer[128]; // For SHA1/SHA224/SHA256, used 64, other used 128
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uint32_t total_bits[4];
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} SHA_CTX;
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void ets_sha_enable(void);
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void ets_sha_disable(void);
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ets_status_t ets_sha_init(SHA_CTX *ctx, SHA_TYPE type);
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ets_status_t ets_sha_starts(SHA_CTX *ctx, uint16_t sha512_t);
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void ets_sha_get_state(SHA_CTX *ctx);
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void ets_sha_process(SHA_CTX *ctx, const unsigned char *input);
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void ets_sha_update(SHA_CTX *ctx, const unsigned char *input, uint32_t input_bytes, bool update_ctx);
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ets_status_t ets_sha_finish(SHA_CTX *ctx, unsigned char *output);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ROM_SHA_H_ */
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