SERELA
SERELA Patent applications | ||
Patent application number | Title | Published |
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20130031576 | CARD SHARING COUNTERMEASURES - A method for identifying of at least an identifier of a conditional access card used in a control word redistribution system by passing information over a side channel, said method comprising a modification step of the response time, of the card, to a control word request, according to a predefined function which depends on the identifier of the said cards. | 01-31-2013 |