The method comprising: a) receiving, by an encoding module computer device (103), from a user (100), a message (101) including a content to be encoded; b) generating, by the encoding module (103), a generated encoding (104) of the content of the provided message (101) using encoding information (112); c) sending, by the encoding module computer device (103), the generated encoding (104) to a reception module computer device (106) and verifying, by the reception module computer device (106), that the generated encoding (104) corresponds to the encoding of the content of the message (101) by using a generated verification information (105) and public information (107), wherein the at least one code (102) having a cryptographic relationship with the public information (107) and the message (101), and the public information (107) and the message (101) having a cryptographic or a public relationship.