c48612e516
SHA hardware allows each of SHA1, SHA256, SHA384&SHA512 to calculate digests concurrently. Currently incompatible with AES acceleration due to a hardware reset problem. Ref TW7111.
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/*
|
|
ROM functions for hardware SHA support.
|
|
|
|
It is not recommended to use these functions directly. If using
|
|
them from esp-idf then use the esp_sha_lock_engine() and
|
|
esp_sha_lock_memory_block() functions in hwcrypto/sha.h to ensure
|
|
exclusive access.
|
|
*/
|
|
// Copyright 2015-2016 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.
|
|
#ifndef _ROM_SHA_H_
|
|
#define _ROM_SHA_H_
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct SHAContext {
|
|
bool start;
|
|
uint32_t total_input_bits[4];
|
|
} SHA_CTX;
|
|
|
|
enum SHA_TYPE {
|
|
SHA1 = 0,
|
|
SHA2_256,
|
|
SHA2_384,
|
|
SHA2_512,
|
|
|
|
|
|
SHA_INVALID = -1,
|
|
};
|
|
|
|
void ets_sha_init(SHA_CTX *ctx);
|
|
|
|
void ets_sha_enable(void);
|
|
|
|
void ets_sha_disable(void);
|
|
|
|
void ets_sha_update(SHA_CTX *ctx, enum SHA_TYPE type, const uint8_t *input, size_t input_bits);
|
|
|
|
void ets_sha_finish(SHA_CTX *ctx, enum SHA_TYPE type, uint8_t *output);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _ROM_SHA_H_ */
|