BigSpeed Secure Socket Library is an ActiveX control
that dramatically simplifies and accelerates the
development of proprietary communication solutions
over the Internet. It implements a flexible message-
oriented protocol on top of a single TCP connection.
The transfered data are scrambled using on-the-fly 128-
bit AES encryption with random session keys, without
need of SSL certificates. The security is provided in
two different modes: symmetric encryption with shared
secret key and asymmetric encryption with 1024-bit
public/private keys. Transport level authentication is
available with optional digital fingerprints or secret
keys. Building a virtual private application network
is just a matter of setting the same crypto key on two
or more sites.

BigSpeed Secure Socket Library can be used both on
client and server side, with centralized management of
all connections. Information is exchanged through
typed data packets identified by a command code. The
library takes care of all low-level tasks:

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