esp_flash_encrypt_region() function

Encrypt-in-place a block of flash sectors

Syntax

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Summary

Declaration

esp_err_t esp_flash_encrypt_region(uint32_t src_addr, size_t data_length);

Argument

Description

src_addr

Source offset in flash. Should be multiple of 4096 bytes.

data_length

Length of data to encrypt in bytes. Will be rounded up to next multiple of 4096 bytes.

ESP_OK if all operations succeeded, ESP_ERR_FLASH_OP_FAIL if SPI flash fails, ESP_ERR_FLASH_OP_TIMEOUT if flash times out.