Security Portfolio

Software system which provides protection, control and secure access to different handheld devices and data

Client application to a netbilling system that allows to make simple transactions. User-friendly interface.

The goal was to provide memo pad software for Palm with password protection and encryption based on strong cryptography.

Application that captures signatures via a Pocket PC client and synchronize them with SQL Server through a web service.

Web project provides a single location for recording all products, their Features, Services and Variables.

The task was to secure IP traffic between several client machines in a large network. Since unauthorized workstation could theoretically intercept packets, traffic security mechanism was implemented.

Clean-room Java implementation of SSH2 protocol. Includes public APIfor SSH2 connection setup, user password and certificate authentication, SSH2 channel setup, local and remote port forwarding. 

The task was to create an add-in to secure e-mail messages exchange between several clients.

A small and specific firewall solution for Windows. Implemented as a NDIS driver. Filters IP packets by specific attributes.

The application is implemented as vpn client-server. VSGate server is implemented under Linux. It possesses a friendly text (curses-like) settings interface. Various options are supported: compression, encryption, transmitted data size and speed limiting, grouping of users, filter setting, etc.


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