mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
// Copyright 2017 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.
|
|
#include "bootloader_sha.h"
|
|
#include "bootloader_flash_priv.h"
|
|
#include <stdbool.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
#include <sys/param.h>
|
|
#include <mbedtls/sha256.h>
|
|
|
|
bootloader_sha256_handle_t bootloader_sha256_start(void)
|
|
{
|
|
mbedtls_sha256_context *ctx = (mbedtls_sha256_context *)malloc(sizeof(mbedtls_sha256_context));
|
|
if (!ctx) {
|
|
return NULL;
|
|
}
|
|
mbedtls_sha256_init(ctx);
|
|
int ret = mbedtls_sha256_starts_ret(ctx, false);
|
|
if (ret != 0) {
|
|
return NULL;
|
|
}
|
|
return ctx;
|
|
}
|
|
|
|
void bootloader_sha256_data(bootloader_sha256_handle_t handle, const void *data, size_t data_len)
|
|
{
|
|
assert(handle != NULL);
|
|
mbedtls_sha256_context *ctx = (mbedtls_sha256_context *)handle;
|
|
int ret = mbedtls_sha256_update_ret(ctx, data, data_len);
|
|
assert(ret == 0);
|
|
(void)ret;
|
|
}
|
|
|
|
void bootloader_sha256_finish(bootloader_sha256_handle_t handle, uint8_t *digest)
|
|
{
|
|
assert(handle != NULL);
|
|
mbedtls_sha256_context *ctx = (mbedtls_sha256_context *)handle;
|
|
if (digest != NULL) {
|
|
int ret = mbedtls_sha256_finish_ret(ctx, digest);
|
|
assert(ret == 0);
|
|
(void)ret;
|
|
}
|
|
mbedtls_sha256_free(ctx);
|
|
free(handle);
|
|
handle = NULL;
|
|
}
|