As we all know, our e-mail messages can be viewed, modified and
censored in thousands of places that are located between the
sender and the receiver, and this practice is strictly used by
some of our employers. It must be remembered that no longer can
a very small amount of knowledge and use of communal software
lead to almost complete protection of our e-mails. Hiding the
message before unauthorized persons are able to read and
confirming the authenticity are already provided by even the
most basic algorithms used to generate a digital signature and
encryption of virtually any messages. What really is what is
pompously called a digital signature? A digital signature is
usually additional information that is attached to the data in
order to confirm their source. You can digitally sign not just
any kind of files, but also all your e-mails. A signature
contains mostly information such as your name, business data, or
e-mail address. A digital signature is usually a function of the
message or file. For us, this m