A method of establishing protected electronic communication, secure transfer and processing of information among three or more subjects in which, at first, a first secure authenticated channel is created using an authentication system between a first subject and a second subject, and this channel is used by the first subject, in co-operation with the second subject, to create an authentication object stored on the second subject and provided with authentication object methods, whereas the first subject configures methods of authentication object by assigning to each method of the authentication object a rights control information for at least one other subject and optionally also a rights control information for the first subject to use at least one method of the authentication object, and then the first secure authenticated channel is closed.