50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
/*
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* SPDX-FileCopyrightText: 2017-2021 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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#include "bootloader_sha.h"
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#include "bootloader_flash_priv.h"
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#include <stdbool.h>
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#include <string.h>
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#include <assert.h>
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#include <sys/param.h>
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#include <mbedtls/sha256.h>
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bootloader_sha256_handle_t bootloader_sha256_start(void)
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{
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mbedtls_sha256_context *ctx = (mbedtls_sha256_context *)malloc(sizeof(mbedtls_sha256_context));
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if (!ctx) {
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return NULL;
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}
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mbedtls_sha256_init(ctx);
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int ret = mbedtls_sha256_starts_ret(ctx, false);
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if (ret != 0) {
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return NULL;
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}
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return ctx;
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}
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void bootloader_sha256_data(bootloader_sha256_handle_t handle, const void *data, size_t data_len)
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{
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assert(handle != NULL);
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mbedtls_sha256_context *ctx = (mbedtls_sha256_context *)handle;
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int ret = mbedtls_sha256_update_ret(ctx, data, data_len);
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assert(ret == 0);
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(void)ret;
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}
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void bootloader_sha256_finish(bootloader_sha256_handle_t handle, uint8_t *digest)
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{
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assert(handle != NULL);
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mbedtls_sha256_context *ctx = (mbedtls_sha256_context *)handle;
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if (digest != NULL) {
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int ret = mbedtls_sha256_finish_ret(ctx, digest);
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assert(ret == 0);
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(void)ret;
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}
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mbedtls_sha256_free(ctx);
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free(handle);
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handle = NULL;
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}
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