| 20110213978 | SECURE METHODS OF TRANSMITTING AND RECEIVING DATA BETWEEN TERMINALS COMPRISING NEAR-FIELD COMMUNICATION, AND CORRESPONDING TERMINALS - A method is provided for secure transmission of a data file from a sender terminal to at least one recipient terminal, each including a near-field communication device and implementing an encryption of the file, as a function of at least one item of encryption information that is known or determined by the sender terminal. The includes the following steps, in the sender terminal: dividing the file into a first file portion and a second file portion; sending with the near-field communication device a first data set including at least one portion of the encryption information item and the first file portion to the recipient terminal or terminals; sending with a radiofrequency transmitter a second data set including at least the second file portion to the recipient terminal or terminals. | 09-01-2011 |