Method and system for transmitting encrypted data

Method for transmitting data, ejecutadopar a central module (10), comprising: receiving authentication data (A) of a terminal apa-time communication (20), storing the authentication data (A), wherein said authentication data (a) asociadosa an identification (ID), generating an electronic unavailable (S), being electronic dichahave (S) stored in an associated alos authentication data (a) and identification (ID), authentication authorization to electronic Have (S) to the communication terminal apparatus (20) by the authentication data (a) received, checking availability of Terminalon apparatus communication (20) via a module disponibilidaddel core module (10), generation encrypted data (vd), by modulode encryption, data (D) and at least unaparte electronics Have (S) being associated alos data (D) or the encrypted data (VD) or ambosla Identification (ID), and being stored da-25 authentication cough (A) laidentificacion associated form (D),