63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include "ets_sys.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef enum {
|
|
SHA1 = 0,
|
|
SHA2_224,
|
|
SHA2_256,
|
|
SHA2_384,
|
|
SHA2_512,
|
|
SHA2_512224,
|
|
SHA2_512256,
|
|
SHA2_512T,
|
|
SHA_TYPE_MAX
|
|
} SHA_TYPE;
|
|
|
|
typedef struct SHAContext {
|
|
bool start;
|
|
bool in_hardware; // Is this context currently in peripheral? Needs to be manually cleared if multiple SHAs are interleaved
|
|
SHA_TYPE type;
|
|
uint32_t state[16]; // For SHA1/SHA224/SHA256, used 8, other used 16
|
|
unsigned char buffer[128]; // For SHA1/SHA224/SHA256, used 64, other used 128
|
|
uint32_t total_bits[4];
|
|
} SHA_CTX;
|
|
|
|
void ets_sha_enable(void);
|
|
|
|
void ets_sha_disable(void);
|
|
|
|
ets_status_t ets_sha_init(SHA_CTX *ctx, SHA_TYPE type);
|
|
|
|
ets_status_t ets_sha_starts(SHA_CTX *ctx, uint16_t sha512_t);
|
|
|
|
void ets_sha_get_state(SHA_CTX *ctx);
|
|
|
|
void ets_sha_process(SHA_CTX *ctx, const unsigned char *input);
|
|
|
|
void ets_sha_update(SHA_CTX *ctx, const unsigned char *input, uint32_t input_bytes, bool update_ctx);
|
|
|
|
ets_status_t ets_sha_finish(SHA_CTX *ctx, unsigned char *output);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|