method for the secure transmission of data through the short message service messages, or sms (short message service), mobile phone radiomob

摘要

This invention relates to a method for secure transmission of data by means of messages in the frame of the Short Message Service (SMS) of the radio mobile telephony system, preferably cellular telephony, that allows to guarantee in simple, reliable and unexpensive manner the four security levels in SMS communications between a sender and an addressee (namely, authenticity, integrity, non-reject and confidentiality), thereby making the performance of commercial activities, such as payments and reservations, by use of said SMS service, technically secure. The invention also relates to the methods for generation and recognition of secure SMS messages, to the instruments needed for performing the methods as well as to the apparatus performing the methods.