Digital signature: reliability and risks

Development digital technologies simplified many moments of our life, including, to exchange documents and letters in an electronic form it appeared quicker and more conveniently, than in paper. However at electronic document flow was a problem: it was necessary as - that to confirm authenticity of electronic papers. On paper signatures were for this purpose used, however in their digital format it was rather easy to forge therefore for electronic documents more reliable method of confirmation was required. Therefore there was popular an analog of manual signatures - digital signature about which it will be told further...