|
money may change hands for access to the file. The price can be paid by the544a35cac5f05
money may change hands for access to the file. The price can be paid by the
remote charging of funds from, for example, a credit card whose details are
also passed—usually fully encrypted—across the Internet. The origin and
authenticity of the file received may be checked by digital signatures or by
MD5 or other message digests. These simple features of the Internet, over a
worldwide basis, are changing the production, sale, and distribution of
anything that can be reduced to a computer file for transmission. This
includes all manner of print publications, software products, news, music,
Dostları ilə paylaş: |
|
|