/**
 *  Copyright Notice:
 *  Copyright 2021-2022 DMTF. All rights reserved.
 *  License: BSD 3-Clause License. For full text see link: https://github.com/DMTF/libspdm/blob/main/LICENSE.md
 **/

#include "base.h"

bool libspdm_consttime_is_mem_equal(const void *destination_buffer,
                                    const void *source_buffer, size_t length)
{
    const volatile uint8_t *pointer_dst;
    const volatile uint8_t *pointer_src;
    uint8_t delta;

    pointer_dst = (const uint8_t *)destination_buffer;
    pointer_src = (const uint8_t *)source_buffer;
    delta = 0;
    while ((length-- != 0)) {
        delta |= *(pointer_dst++) ^ *(pointer_src++);
    }

    return ((delta == 0) ? true : false);
}