FIELD: technology for blocking and unblocking software signs in fully functional software, in particular, method for changing accessible signs in software-realized set of signs.
SUBSTANCE: in accordance to method, marker, formed of identification information and information, connected to signs, is dispatched to authorization device. Authorization device creates a key from this information and sends key and information relatively to authorized set of signs back into device. Device generates its own version of key and compares its version to received version. If two keys match, authorized set of signs is realized.
EFFECT: creation of simple mechanism, using which it is possible to alter a set of unblocked signs in fully functional software.
5 cl, 6 dwg
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