Patent ID: 6931420

Claim:
A method for the separate authentication of a document template and of user data inserted therein, comprising the steps of: a) providing the document template, said document template being adapted to receive said user data therein, said document template having a corresponding template ID and template Document Authentication Code based on said template, hereinafter referred to as DAC(t), linked thereto, said DAC(t) providing for the authentication of the document template by itself; b) inserting the user data in the document template; c) extracting the user data from the document template; d) generating a user data Document Authentication Code, hereinafter referred to as DAC(d), based on the user data, said DAC(d) providing for the authentication of the user data separately from the document template; and e) storing the template ID, the DAC(t), the user data and the DAC(d) in an Approval Data Packet, hereinafter referred to as ADP.