void crypto_xor(u8 *dst, const u8 *src, unsigned int size)
{
	u32 *a = (u32 *)dst;
	u32 *b = (u32 *)src;

	for (; size >= 4; size -= 4)
		*a++ ^= *b++;

	crypto_xor_byte((u8 *)a, (u8 *)b, size);
}

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.