Abstract:
A possibility of creation of covert channels by means of the tags determined by admissible changes of the form of electrical signals is researched. Existence of identified admissible changes of the form of electrical signals is shown. The algorithm of creation of the covert channel with the check group reducing probability of the wrong decoding of hidden transmission is considered. It is shown that the number of the transferred hidden messages is commensurable with number of messages in legal transmission.
Keywords:covert channels; data transfer standards by means of electrical signals; bandwidth of covert channels.