Programming & Miscellaneous Skills:

Operating Systems: Windows, Mac OS, Linux Ubuntu.

Programming Languages: C, C#, Java, SQL.

Web Development: XHTML, CSS, XML, PHP, ASP, XSLT, Javascript (jQuery), J2EE (basics).

DBMS: SQL Server, MySQL, Oracle 9i, PostgreSQL, MS Access.

Security & Cryptography: Private-key Cryptography (DES, 3-DES, AES, RC4, Blowfish, ....), Public-key Cryptography (RSA, Elliptic Curve, Diffie-Hellman ...), Hashing and Message Authentication (MD5, SHA-1, CMAC, HMAC), Digital Signatures, Certificates and Authentication (Kerberos, X.509).

Design: Photoshop CS4, Blender (basics), Maya.

IDEs: Visual Studio 2005/2008, JBuilder, Eclipse, Netbeans.