Electronic document management has become an integral part of our lives already long time ago. Everyone appreciated the convenience of such documents - they do not deteriorate over time, they are more difficult to lose, easy to store and quickly transfer to any distance. And although, the times of registered letters and parcels have not yet passed, the need for them will completely disappear very soon. The bureaucratic system recognizes only signed documents and that was a major obstacle to the development of electronic document management. After all, what's the use of the document transfer speed, if its signed version is necessary, so to say “original”.
Therefore, electronic signatures have been developed - ciphers that guarantee uniqueness and originality, allowing to unequivocally establish authorship and protect against document changes. Thanks to reliable encryption algorithms, such signatures are no worse than handwritten, and even better, more reliable. ...
