Abstract: Disclosed is a method for secure electronically signing a document, which comprises: reading the document to be signed by an application; presenting a graphical representation of said document to a user; and accepting the document to be signed by the user. The method also comprises: at a server, computing a hash function, an extended validation function for the hash and a readable summary function of the to-be-signed document; from the server, sending the hash function and the extended validation function for the hash to the application and to a signing device; from said the server, sending said hash function and the readable summary function of the to-be-signed document to a secondary device.